{ "chainhash-128": { "note": "The key 'chainhash-128' is the forced-schoolbook registration (repository key chainhash-128.schoolbook): 512-byte blocks with schoolbook bulk products, the product method chainhash128() dispatches on XMM, ZMM and NEON. Its numbers (Xeon 14.43 B/cycle, M2 Pro 10.26 B/cycle) are the table and chart row.", "Xeon8375C": { "status": "complete", "runs": [ { "host": "Xeon8375C", "name": "chainhash128-v3.512school", "test": "Speed", "run": 1, "command": [ "taskset", "-c", "16-23", "SMHasher3", "chainhash128-v3.512school", "--test=Speed" ], "raw_file": "evidence/Xeon/chainhash-128.schoolbook.run1.txt", "binary_sha256": "d8df2fbcf18e4e56ec2c6a96242ef47b10935cd20d05f0b249e6fdecae92846a", "started": "2026-09-19T08:02:44.461045+00:00", "load_before": { "load1": 17.57, "load5": 15.35, "load15": 10.13 }, "returncode": 0, "finished": "2026-09-19T08:03:55.443152+00:00", "elapsed_seconds": 70.92839567607734, "load_after": { "load1": 17.85, "load5": 15.89, "load15": 10.7 }, "raw_sha256": "c4d94d6e41713bce55d8a661dabf11fb8e5814706041df515b834c139b20cce6", "bulk_bytes_per_cycle": 14.42, "bulk_gib_s": 47.02, "small_cycles": 175.93, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; TSC ticks", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [ "3199590", "3269117", "3271378" ], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 14.42, "bulk_gib_s": 47.02, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 10.12, "bulk_gib_s": 33.0, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": -0.03466204506066273, "outlier": false, "small_deviation_from_median_percent": -0.22401814830567135, "small_outlier": false }, { "host": "Xeon8375C", "name": "chainhash128-v3.512school", "test": "Speed", "run": 2, "command": [ "taskset", "-c", "16-23", "SMHasher3", "chainhash128-v3.512school", "--test=Speed" ], "raw_file": "evidence/Xeon/chainhash-128.schoolbook.run2.txt", "binary_sha256": "d8df2fbcf18e4e56ec2c6a96242ef47b10935cd20d05f0b249e6fdecae92846a", "started": "2026-09-19T08:12:03.567222+00:00", "load_before": { "load1": 26.58, "load5": 23.72, "load15": 16.68 }, "returncode": 0, "finished": "2026-09-19T08:13:14.824660+00:00", "elapsed_seconds": 71.1999339920003, "load_after": { "load1": 29.03, "load5": 24.94, "load15": 17.62 }, "raw_sha256": "2b1b70da941d30367a53ab0e0b2a9fb8c7dc86b4d8d737c8febb84b1b2c1a2c6", "bulk_bytes_per_cycle": 14.43, "bulk_gib_s": 47.02, "small_cycles": 176.72, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; TSC ticks", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [ "3199590", "3422025", "3429327" ], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 14.43, "bulk_gib_s": 47.02, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 10.11, "bulk_gib_s": 32.96, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.03466204506066273, "outlier": false, "small_deviation_from_median_percent": 0.22401814830568245, "small_outlier": false } ], "bulk_bytes_per_cycle": 14.43, "bulk_gib_s": 47.02, "small_cycles": 175.93, "bulk_selected_run": 2, "small_selected_run": 1, "bulk_run_spread_percent": 0.06932409012131567, "small_run_spread_percent": 0.44803629661136657, "aggregation": "higher bulk of two passes; independently lower small average", "flagged_runs": [], "build_note": "Explicit-registration binary; header revision before the public-default selection (forced registrations and controls are unaffected)" }, "M2Pro": { "status": "complete", "runs": [ { "host": "M2Pro", "name": "chainhash128-v3.512school", "test": "Speed", "run": 1, "command": [ "SMHasher3", "chainhash128-v3.512school", "--test=Speed" ], "raw_file": "evidence/M2/chainhash-128.schoolbook.run1.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:05:20.314367+00:00", "load_before": { "load1": 3.0830078125, "load5": 3.58740234375, "load15": 3.7392578125 }, "returncode": 0, "finished": "2026-09-19T09:06:22.081967+00:00", "elapsed_seconds": 61.72159037497477, "load_after": { "load1": 4.4765625, "load5": 3.8779296875, "load15": 3.833984375 }, "raw_sha256": "76f44d2de43fce7cc8559d118aa4d286b36174600b91ea47d75d6e77f0e93cc5", "bulk_bytes_per_cycle": 10.39, "bulk_gib_s": 33.87, "small_cycles": 165.87, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 10.39, "bulk_gib_s": 33.87, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 9.17, "bulk_gib_s": 29.89, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 1.2670565302144388, "outlier": false, "small_deviation_from_median_percent": -1.2031687414378323, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash128-v3.512school", "test": "Speed", "run": 2, "command": [ "SMHasher3", "chainhash128-v3.512school", "--test=Speed" ], "raw_file": "evidence/M2/chainhash-128.schoolbook.run2.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:15:12.741091+00:00", "load_before": { "load1": 3.14990234375, "load5": 3.8056640625, "load15": 3.783203125 }, "returncode": 0, "finished": "2026-09-19T09:16:14.428139+00:00", "elapsed_seconds": 61.66867258399725, "load_after": { "load1": 2.7421875, "load5": 3.58740234375, "load15": 3.70361328125 }, "raw_sha256": "57319c20b5ef2243dc36ce65de84b6486a37e2ce3b1e48250d4e0ffaddac7d5b", "bulk_bytes_per_cycle": 10.26, "bulk_gib_s": 33.44, "small_cycles": 167.89, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 10.26, "bulk_gib_s": 33.44, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 9.05, "bulk_gib_s": 29.51, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash128-v3.512school", "test": "Speed", "run": 3, "command": [ "SMHasher3", "chainhash128-v3.512school", "--test=Speed" ], "raw_file": "evidence/M2/chainhash-128.schoolbook.run3.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:23:05.368846+00:00", "load_before": { "load1": 2.2265625, "load5": 2.7021484375, "load15": 3.208984375 }, "returncode": 0, "finished": "2026-09-19T09:24:07.175561+00:00", "elapsed_seconds": 61.78776012497838, "load_after": { "load1": 2.291015625, "load5": 2.64453125, "load15": 3.1513671875 }, "raw_sha256": "832c51c878f63d3856c2b534e805853797935d2b58e1bf8541c064db217edf5d", "bulk_bytes_per_cycle": 10.21, "bulk_gib_s": 33.28, "small_cycles": 168.78, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 10.21, "bulk_gib_s": 33.28, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 9.01, "bulk_gib_s": 29.37, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": -0.4873294346978474, "outlier": false, "small_deviation_from_median_percent": 0.5301089999404374, "small_outlier": false } ], "bulk_bytes_per_cycle": 10.26, "bulk_gib_s": 33.44, "small_cycles": 167.89, "bulk_selected_run": 2, "small_selected_run": 2, "bulk_run_spread_percent": 1.754385964912278, "small_run_spread_percent": 1.7332777413782816, "aggregation": "median of three; >15% deviations flagged, not discarded", "flagged_runs": [], "verification": { "raw_file": "evidence/M2/chainhash-128.schoolbook.sanity.txt", "lines": [ "Verification value CE 0x1FCA728C ...... PASS", "Verification value is 0x00000001 - Testing took 1.132381 seconds" ] }, "build_note": "Final registrations; public default of this binary still dispatched NEON to Karatsuba (superseded runs recorded under chainhash-128.dispatch)" } }, "chainhash-128.karatsuba": { "Xeon8375C": { "status": "complete", "runs": [ { "host": "Xeon8375C", "name": "chainhash128-v3.512", "test": "Speed", "run": 1, "command": [ "taskset", "-c", "16-23", "SMHasher3", "chainhash128-v3.512", "--test=Speed" ], "raw_file": "evidence/Xeon/chainhash-128.karatsuba.run1.txt", "binary_sha256": "d8df2fbcf18e4e56ec2c6a96242ef47b10935cd20d05f0b249e6fdecae92846a", "started": "2026-09-19T08:03:55.492934+00:00", "load_before": { "load1": 17.85, "load5": 15.89, "load15": 10.7 }, "returncode": 0, "finished": "2026-09-19T08:05:07.778505+00:00", "elapsed_seconds": 72.23281232104637, "load_after": { "load1": 21.93, "load5": 17.44, "load15": 11.64 }, "raw_sha256": "dbaca83584ce0e0168ae563fde9635f66494ed7ef470cb5d87e9470c84af4c09", "bulk_bytes_per_cycle": 13.91, "bulk_gib_s": 45.33, "small_cycles": 175.86, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; TSC ticks", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [ "3199590", "3271608", "3276838" ], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 13.91, "bulk_gib_s": 45.33, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 9.84, "bulk_gib_s": 32.08, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": -0.01705611461707557, "small_outlier": false }, { "host": "Xeon8375C", "name": "chainhash128-v3.512", "test": "Speed", "run": 2, "command": [ "taskset", "-c", "16-23", "SMHasher3", "chainhash128-v3.512", "--test=Speed" ], "raw_file": "evidence/Xeon/chainhash-128.karatsuba.run2.txt", "binary_sha256": "d8df2fbcf18e4e56ec2c6a96242ef47b10935cd20d05f0b249e6fdecae92846a", "started": "2026-09-19T08:13:14.874160+00:00", "load_before": { "load1": 29.03, "load5": 24.94, "load15": 17.62 }, "returncode": 0, "finished": "2026-09-19T08:14:27.168011+00:00", "elapsed_seconds": 72.23711847607046, "load_after": { "load1": 27.04, "load5": 25.17, "load15": 18.26 }, "raw_sha256": "69f3f04a5cb7fcbcb9eb682f6044f2a0eaaa7fb4493189172bfdcd74f7d79bda", "bulk_bytes_per_cycle": 13.91, "bulk_gib_s": 45.34, "small_cycles": 175.92, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; TSC ticks", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [ "3199590", "3451828", "3455945" ], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 13.91, "bulk_gib_s": 45.34, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 9.85, "bulk_gib_s": 32.1, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.01705611461708667, "small_outlier": false } ], "bulk_bytes_per_cycle": 13.91, "bulk_gib_s": 45.33, "small_cycles": 175.86, "bulk_selected_run": 1, "small_selected_run": 1, "bulk_run_spread_percent": 0.0, "small_run_spread_percent": 0.03411222923416559, "aggregation": "higher bulk of two passes; independently lower small average", "flagged_runs": [], "build_note": "Explicit-registration binary; header revision before the public-default selection (forced registrations and controls are unaffected)" }, "M2Pro": { "status": "complete", "runs": [ { "host": "M2Pro", "name": "chainhash128-v3.512", "test": "Speed", "run": 1, "command": [ "SMHasher3", "chainhash128-v3.512", "--test=Speed" ], "raw_file": "evidence/M2/chainhash-128.karatsuba.run1.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:06:22.088700+00:00", "load_before": { "load1": 4.4765625, "load5": 3.8779296875, "load15": 3.833984375 }, "returncode": 0, "finished": "2026-09-19T09:07:27.290105+00:00", "elapsed_seconds": 65.18023470899789, "load_after": { "load1": 3.34765625, "load5": 3.646484375, "load15": 3.74658203125 }, "raw_sha256": "156eaec0867fcaa767a5991b75a8cddf65880a20ccb5ce7ef638a9398bf3d9a3", "bulk_bytes_per_cycle": 9.45, "bulk_gib_s": 30.79, "small_cycles": 169.4, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 9.45, "bulk_gib_s": 30.79, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.46, "bulk_gib_s": 27.57, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.6389776357827337, "outlier": false, "small_deviation_from_median_percent": -0.46418708502261596, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash128-v3.512", "test": "Speed", "run": 2, "command": [ "SMHasher3", "chainhash128-v3.512", "--test=Speed" ], "raw_file": "evidence/M2/chainhash-128.karatsuba.run2.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:16:14.436557+00:00", "load_before": { "load1": 2.7421875, "load5": 3.58740234375, "load15": 3.70361328125 }, "returncode": 0, "finished": "2026-09-19T09:17:19.704446+00:00", "elapsed_seconds": 65.2501760830055, "load_after": { "load1": 2.84326171875, "load5": 3.466796875, "load15": 3.64697265625 }, "raw_sha256": "e89a724e7bd47930d7f392105513c9c461e2715b651b435243bb1392aaa20e62", "bulk_bytes_per_cycle": 9.39, "bulk_gib_s": 30.62, "small_cycles": 170.19, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 9.39, "bulk_gib_s": 30.62, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.41, "bulk_gib_s": 27.42, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash128-v3.512", "test": "Speed", "run": 3, "command": [ "SMHasher3", "chainhash128-v3.512", "--test=Speed" ], "raw_file": "evidence/M2/chainhash-128.karatsuba.run3.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:24:07.181112+00:00", "load_before": { "load1": 2.291015625, "load5": 2.64453125, "load15": 3.1513671875 }, "returncode": 0, "finished": "2026-09-19T09:25:12.394876+00:00", "elapsed_seconds": 65.19535108399577, "load_after": { "load1": 2.36181640625, "load5": 2.60302734375, "load15": 3.09765625 }, "raw_sha256": "5233fa511985726cffb5deca576584751a524f1556013b21c88645c0a28c8034", "bulk_bytes_per_cycle": 9.39, "bulk_gib_s": 30.61, "small_cycles": 170.4, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 9.39, "bulk_gib_s": 30.61, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.41, "bulk_gib_s": 27.41, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.1233915036136235, "small_outlier": false } ], "bulk_bytes_per_cycle": 9.39, "bulk_gib_s": 30.62, "small_cycles": 170.19, "bulk_selected_run": 2, "small_selected_run": 2, "bulk_run_spread_percent": 0.6389776357827339, "small_run_spread_percent": 0.5875785886362301, "aggregation": "median of three; >15% deviations flagged, not discarded", "flagged_runs": [], "verification": { "raw_file": "evidence/M2/chainhash-128.karatsuba.sanity.txt", "lines": [ "Verification value CE 0x1FCA728C ...... PASS", "Verification value is 0x00000001 - Testing took 1.102620 seconds" ] }, "build_note": "Final registrations; public default of this binary still dispatched NEON to Karatsuba (superseded runs recorded under chainhash-128.dispatch)" } }, "chainhash-128.dispatch": { "Xeon8375C": { "status": "partial: 1 of 2 passes", "runs": [ { "host": "Xeon8375C", "name": "chainhash128-v3", "test": "Speed", "run": 1, "command": [ "taskset", "-c", "16-23", "SMHasher3", "chainhash128-v3", "--test=Speed" ], "raw_file": "evidence/Xeon-final/chainhash-128.run1.txt", "binary_sha256": "46f9c41d928df259f8d4ec14ac3b31c4265333fb312d617925d1456ad0d7a276", "started": "2026-09-19T08:49:27.455778+00:00", "load_before": { "load1": 48.81, "load5": 53.35, "load15": 52.67 }, "returncode": 0, "finished": "2026-09-19T08:50:36.419611+00:00", "elapsed_seconds": 68.90713644796051, "load_after": { "load1": 50.35, "load5": 53.01, "load15": 52.6 }, "raw_sha256": "634831df74ef6ca0b57c312ec95c57a6df11f29fa3fe2fecb08aca881de61e81", "bulk_bytes_per_cycle": 14.45, "bulk_gib_s": 47.11, "small_cycles": 156.37, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; TSC ticks", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 14.45, "bulk_gib_s": 47.11, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 10.22, "bulk_gib_s": 33.32, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false } ], "bulk_bytes_per_cycle": 14.45, "bulk_gib_s": 47.11, "small_cycles": 156.37, "bulk_selected_run": 1, "small_selected_run": 1, "bulk_run_spread_percent": 0.0, "small_run_spread_percent": 0.0, "aggregation": "higher bulk of two passes; independently lower small average", "flagged_runs": [], "verification": { "raw_file": "evidence/Xeon-final/sanity-final.txt", "lines": [ "Verification value CE 0x1FCA728C ...... PASS" ] }, "build_note": "Public-default binary from the final header; the lane ended after one of two passes" }, "M2Pro": { "status": "complete", "runs": [ { "host": "M2Pro", "name": "chainhash128-v3", "test": "Speed", "run": 1, "command": [ "SMHasher3", "chainhash128-v3", "--test=Speed" ], "raw_file": "evidence/M2-clean/chainhash128-v3.run1.txt", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "started": "2026-09-19T10:06:18.389957+00:00", "load_before": { "load1": 2.27587890625, "load5": 2.9609375, "load15": 3.05810546875 }, "returncode": 0, "finished": "2026-09-19T10:07:20.115296+00:00", "elapsed_seconds": 61.65418962499825, "load_after": { "load1": 2.09912109375, "load5": 2.78271484375, "load15": 2.98291015625 }, "raw_sha256": "cdd0d2c6d89e800f898e3b1383c018a659d2a6f4397f5ee7909bf96eaa41d3c3", "bulk_bytes_per_cycle": 10.11, "bulk_gib_s": 32.95, "small_cycles": 170.25, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; 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calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 10.39, "bulk_gib_s": 33.87, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 9.17, "bulk_gib_s": 29.89, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 2.667984189723338, "outlier": false, "small_deviation_from_median_percent": -2.6960352422907508, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash128-v3", "test": "Speed", "run": 3, "command": [ "SMHasher3", "chainhash128-v3", "--test=Speed" ], "raw_file": "evidence/M2-clean/chainhash128-v3.run3.txt", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "started": "2026-09-19T10:12:34.338978+00:00", "load_before": { "load1": 2.6787109375, "load5": 2.8759765625, "load15": 2.97119140625 }, "returncode": 0, "finished": "2026-09-19T10:13:36.057202+00:00", "elapsed_seconds": 61.64641408299212, "load_after": { "load1": 2.62060546875, "load5": 2.8203125, "load15": 2.94189453125 }, "raw_sha256": "57e745715f9d9851879f38e0da0a8135f61ea99f7a19c6f0b99c5fa698fdf49b", "bulk_bytes_per_cycle": 10.12, "bulk_gib_s": 32.98, "small_cycles": 170.33, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 10.12, "bulk_gib_s": 32.98, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.92, "bulk_gib_s": 29.09, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.046989720998547035, "small_outlier": false } ], "bulk_bytes_per_cycle": 10.12, "bulk_gib_s": 32.98, "small_cycles": 170.25, "bulk_selected_run": 3, "small_selected_run": 1, "bulk_run_spread_percent": 2.7667984189723436, "small_run_spread_percent": 2.74302496328929, "aggregation": "median of three; >15% deviations flagged, not discarded", "flagged_runs": [], "verification": { "raw_file": "evidence/M2-default/chainhash-128.sanity.txt", "lines": [ "Verification value CE 0x1FCA728C ...... PASS", "Verification value is 0x00000001 - Testing took 1.109109 seconds" ] }, "build_note": "Re-timing in a verified-clean window with the public-default binary: launch gate plus a whole-machine SMHasher3 process scan every 15 s during each run; no other SMHasher3 process at any poll", "superseded": [ { "status": "superseded", "runs": [ { "host": "M2Pro", "name": "chainhash128-v3", "test": "Speed", "run": 1, "command": [ "SMHasher3", "chainhash128-v3", "--test=Speed" ], "raw_file": "evidence/M2/chainhash-128.run1.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:07:27.295522+00:00", "load_before": { "load1": 3.34765625, "load5": 3.646484375, "load15": 3.74658203125 }, "returncode": 0, "finished": "2026-09-19T09:08:32.566963+00:00", "elapsed_seconds": 65.25201524997829, "load_after": { "load1": 2.60205078125, "load5": 3.37841796875, "load15": 3.6376953125 }, "raw_sha256": "43054d5ce297dbcc66638290a9e448e5684303315280b379827424871ac4e426", "bulk_bytes_per_cycle": 9.41, "bulk_gib_s": 30.66, "small_cycles": 170.21, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; 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calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 9.45, "bulk_gib_s": 30.81, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.46, "bulk_gib_s": 27.59, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.4250797024442088, "outlier": false, "small_deviation_from_median_percent": -0.4997354341819027, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash128-v3", "test": "Speed", "run": 3, "command": [ "SMHasher3", "chainhash128-v3", "--test=Speed" ], "raw_file": "evidence/M2/chainhash-128.run3.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:25:12.400903+00:00", "load_before": { "load1": 2.36181640625, "load5": 2.60302734375, "load15": 3.09765625 }, "returncode": 0, "finished": "2026-09-19T09:26:17.639015+00:00", "elapsed_seconds": 65.21984016700299, "load_after": { "load1": 3.76611328125, "load5": 2.91796875, "load15": 3.1728515625 }, "raw_sha256": "bd49d1ae32800fa566f5345b5f420b8541620f36b22c02c6787cc8e37f2a2b98", "bulk_bytes_per_cycle": 9.4, "bulk_gib_s": 30.64, "small_cycles": 170.09, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 9.4, "bulk_gib_s": 30.64, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.42, "bulk_gib_s": 27.44, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": -0.10626992561104665, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false } ], "bulk_bytes_per_cycle": 9.41, "bulk_gib_s": 30.66, "small_cycles": 170.09, "bulk_selected_run": 1, "small_selected_run": 3, "bulk_run_spread_percent": 0.531349628055249, "small_run_spread_percent": 0.5702863190075835, "aggregation": "median of three; >15% deviations flagged, not discarded", "flagged_runs": [], "note": "Pre-selection public default (NEON dispatched to Karatsuba); replaced by the M2-default runs, retained as evidence", "evidence_folder": "evidence/M2" }, { "status": "superseded", "runs": [ { "host": "M2Pro", "name": "chainhash128-v3", "test": "Speed", "run": 1, "command": [ "SMHasher3", "chainhash128-v3", "--test=Speed" ], "raw_file": "evidence/M2-default/chainhash-128.run1.txt", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "started": "2026-09-19T09:34:47.667244+00:00", "load_before": { "load1": 2.4580078125, "load5": 2.59814453125, "load15": 2.8583984375 }, "returncode": 0, "finished": "2026-09-19T09:35:49.409769+00:00", "elapsed_seconds": 61.71998783401796, "load_after": { "load1": 2.8525390625, "load5": 2.70849609375, "load15": 2.8818359375 }, "raw_sha256": "a6c345386dec13c27484ee7b561451547e27d0871bebe6c004674ed9e2aeaf4a", "bulk_bytes_per_cycle": 10.13, "bulk_gib_s": 33.02, "small_cycles": 169.86, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 10.13, "bulk_gib_s": 33.02, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.94, "bulk_gib_s": 29.13, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": -0.02354326074160973, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash128-v3", "test": "Speed", "run": 2, "command": [ "SMHasher3", "chainhash128-v3", "--test=Speed" ], "raw_file": "evidence/M2-default/chainhash-128.run2.txt", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "started": "2026-09-19T09:35:49.416165+00:00", "load_before": { "load1": 2.8525390625, "load5": 2.70849609375, "load15": 2.8818359375 }, "returncode": 0, "finished": "2026-09-19T09:36:51.103964+00:00", "elapsed_seconds": 61.66847920897999, "load_after": { "load1": 4.45947265625, "load5": 3.10107421875, "load15": 3.0087890625 }, "raw_sha256": "84cbab8e165c4598d67b9426a48819832ae76f0f485fd3522645e491d5385706", "bulk_bytes_per_cycle": 10.13, "bulk_gib_s": 33.01, "small_cycles": 170.01, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 10.13, "bulk_gib_s": 33.01, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.93, "bulk_gib_s": 29.12, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.06474396703941565, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash128-v3", "test": "Speed", "run": 3, "command": [ "SMHasher3", "chainhash128-v3", "--test=Speed" ], "raw_file": "evidence/M2-default/chainhash-128.run3.txt", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "started": "2026-09-19T09:36:51.112454+00:00", "load_before": { "load1": 4.45947265625, "load5": 3.10107421875, "load15": 3.0087890625 }, "returncode": 0, "finished": "2026-09-19T09:37:52.675145+00:00", "elapsed_seconds": 61.542621624976164, "load_after": { "load1": 2.92236328125, "load5": 2.92431640625, "load15": 2.94775390625 }, "raw_sha256": "4437b7be229244f5bd6c1f96f7266605872f1e5cf075eda7ec794ae97f9bfd00", "bulk_bytes_per_cycle": 10.13, "bulk_gib_s": 33.03, "small_cycles": 169.9, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 10.13, "bulk_gib_s": 33.03, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.94, "bulk_gib_s": 29.14, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false } ], "bulk_bytes_per_cycle": 10.13, "bulk_gib_s": 33.02, "small_cycles": 169.9, "bulk_selected_run": 1, "small_selected_run": 3, "bulk_run_spread_percent": 0.0, "small_run_spread_percent": 0.08828722778103429, "aggregation": "median of three; >15% deviations flagged, not discarded", "flagged_runs": [], "note": "Earlier M2 timing whose window was not verified free of a concurrent quality-suite run (launch gate only, no during-run scan); replaced by the M2-clean re-timing, retained as evidence", "evidence_folder": "evidence/M2-default" } ] } }, "chainhash": { "Xeon8375C": { "status": "complete", "runs": [ { "host": "Xeon8375C", "name": "chainhash-v3", "test": "Speed", "run": 1, "command": [ "taskset", "-c", "16-23", "SMHasher3", "chainhash-v3", "--test=Speed" ], "raw_file": "evidence/Xeon/chainhash.run1.txt", "binary_sha256": "d8df2fbcf18e4e56ec2c6a96242ef47b10935cd20d05f0b249e6fdecae92846a", "started": "2026-09-19T08:09:49.453356+00:00", "load_before": { "load1": 25.42, "load5": 22.13, "load15": 15.15 }, "returncode": 0, "finished": "2026-09-19T08:10:33.807303+00:00", "elapsed_seconds": 44.29890641698148, "load_after": { "load1": 26.03, "load5": 22.7, "load15": 15.67 }, "raw_sha256": "69c64b0ba94c23b16f8574362af139b72751d7ca27cdbb0e60cfc878ade07b83", "bulk_bytes_per_cycle": 28.25, "bulk_gib_s": 92.07, "small_cycles": 155.91, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; TSC ticks", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [ "3199590", "3399226", "3399533" ], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 28.25, "bulk_gib_s": 92.07, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 27.96, "bulk_gib_s": 91.13, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.0032070812353568456, "small_outlier": false }, { "host": "Xeon8375C", "name": "chainhash-v3", "test": "Speed", "run": 2, "command": [ "taskset", "-c", "16-23", "SMHasher3", "chainhash-v3", "--test=Speed" ], "raw_file": "evidence/Xeon/chainhash.run2.txt", "binary_sha256": "d8df2fbcf18e4e56ec2c6a96242ef47b10935cd20d05f0b249e6fdecae92846a", "started": "2026-09-19T08:19:08.775885+00:00", "load_before": { "load1": 29.85, "load5": 25.89, "load15": 20.29 }, "returncode": 0, "finished": "2026-09-19T08:19:52.926289+00:00", "elapsed_seconds": 44.09231123502832, "load_after": { "load1": 37.66, "load5": 28.55, "load15": 21.46 }, "raw_sha256": "57627980bb9a111f940aa50b98d7ef1209825dfa3d04e55e744a9fe9d1269182", "bulk_bytes_per_cycle": 28.25, "bulk_gib_s": 92.09, "small_cycles": 155.9, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; TSC ticks", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [ "3467803", "3516176" ], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 28.25, "bulk_gib_s": 92.09, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 27.94, "bulk_gib_s": 91.09, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": -0.003207081235367948, "small_outlier": false } ], "bulk_bytes_per_cycle": 28.25, "bulk_gib_s": 92.07, "small_cycles": 155.9, "bulk_selected_run": 1, "small_selected_run": 2, "bulk_run_spread_percent": 0.0, "small_run_spread_percent": 0.00641416247072955, "aggregation": "higher bulk of two passes; independently lower small average", "flagged_runs": [], "build_note": "Explicit-registration binary; header revision before the public-default selection (forced registrations and controls are unaffected)" }, "M2Pro": { "status": "complete", "runs": [ { "host": "M2Pro", "name": "chainhash-v3", "test": "Speed", "run": 1, "command": [ "SMHasher3", "chainhash-v3", "--test=Speed" ], "raw_file": "evidence/M2-clean/chainhash-v3.run1.txt", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "started": "2026-09-19T10:08:18.927107+00:00", "load_before": { "load1": 2.3251953125, "load5": 2.71484375, "load15": 2.94189453125 }, "returncode": 0, "finished": "2026-09-19T10:08:45.913971+00:00", "elapsed_seconds": 26.919678500009468, "load_after": { "load1": 2.212890625, "load5": 2.65625, "load15": 2.91259765625 }, "raw_sha256": "f96cc75b3c9f74178f604d65636f23c1a8a7c987253ff7b33cbaa0df27235482", "bulk_bytes_per_cycle": 25.15, "bulk_gib_s": 81.98, "small_cycles": 88.93, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 25.15, "bulk_gib_s": 81.98, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 25.14, "bulk_gib_s": 81.96, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.35913806863527853, "outlier": false, "small_deviation_from_median_percent": -0.6590705987488676, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash-v3", "test": "Speed", "run": 2, "command": [ "SMHasher3", "chainhash-v3", "--test=Speed" ], "raw_file": "evidence/M2-clean/chainhash-v3.run2.txt", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "started": "2026-09-19T10:11:27.376548+00:00", "load_before": { "load1": 2.7998046875, "load5": 2.97119140625, "load15": 3.013671875 }, "returncode": 0, "finished": "2026-09-19T10:11:54.542404+00:00", "elapsed_seconds": 27.09090587499668, "load_after": { "load1": 2.4833984375, "load5": 2.876953125, "load15": 2.97705078125 }, "raw_sha256": "1ce71649750e923da9c3cbf43f43de3f159d46e4e8f7707780a10c378e109016", "bulk_bytes_per_cycle": 25.06, "bulk_gib_s": 81.68, "small_cycles": 89.53, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 25.06, "bulk_gib_s": 81.68, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 25.05, "bulk_gib_s": 81.66, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.011170688114403582, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash-v3", "test": "Speed", "run": 3, "command": [ "SMHasher3", "chainhash-v3", "--test=Speed" ], "raw_file": "evidence/M2-clean/chainhash-v3.run3.txt", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "started": "2026-09-19T10:14:35.837024+00:00", "load_before": { "load1": 2.52734375, "load5": 2.7587890625, "load15": 2.908203125 }, "returncode": 0, "finished": "2026-09-19T10:15:03.032763+00:00", "elapsed_seconds": 27.122800834011286, "load_after": { "load1": 2.56689453125, "load5": 2.74609375, "load15": 2.89892578125 }, "raw_sha256": "3ffeb594278215830d7d6cd22592b28107f5ace825d30069d889a7eadfcfe986", "bulk_bytes_per_cycle": 25.05, "bulk_gib_s": 81.67, "small_cycles": 89.52, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 25.05, "bulk_gib_s": 81.67, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 25.05, "bulk_gib_s": 81.65, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": -0.03990422984835318, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false } ], "bulk_bytes_per_cycle": 25.06, "bulk_gib_s": 81.68, "small_cycles": 89.52, "bulk_selected_run": 2, "small_selected_run": 3, "bulk_run_spread_percent": 0.39904229848363076, "small_run_spread_percent": 0.6702412868632645, "aggregation": "median of three; >15% deviations flagged, not discarded", "flagged_runs": [], "verification": { "raw_file": "evidence/M2/chainhash.sanity.txt", "lines": [ "Verification value LE 0x66672BD6 ...... PASS", "Verification value is 0x00000001 - Testing took 0.310607 seconds" ] }, "build_note": "Re-timing in a verified-clean window with the public-default binary: launch gate plus a whole-machine SMHasher3 process scan every 15 s during each run; no other SMHasher3 process at any poll", "superseded": [ { "status": "superseded", "runs": [ { "host": "M2Pro", "name": "chainhash-v3", "test": "Speed", "run": 1, "command": [ "SMHasher3", "chainhash-v3", "--test=Speed" ], "raw_file": "evidence/M2/chainhash.run1.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:09:31.889793+00:00", "load_before": { "load1": 3.26171875, "load5": 3.44091796875, "load15": 3.642578125 }, "returncode": 0, "finished": "2026-09-19T09:09:58.970874+00:00", "elapsed_seconds": 27.060293500020634, "load_after": { "load1": 3.07958984375, "load5": 3.3876953125, "load15": 3.6171875 }, "raw_sha256": "81e2545ab70fd923770801c1be5a4771a8b16f20a101978fd56c28ea85b0c834", "bulk_bytes_per_cycle": 25.1, "bulk_gib_s": 81.83, "small_cycles": 89.24, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 25.1, "bulk_gib_s": 81.83, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 25.1, "bulk_gib_s": 81.81, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false }, { "host": "M2Pro", "name": "chainhash-v3", "test": "Speed", "run": 2, "command": [ "SMHasher3", "chainhash-v3", "--test=Speed" ], "raw_file": "evidence/M2/chainhash.run2.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:19:24.710849+00:00", "load_before": { "load1": 2.3828125, "load5": 3.05859375, "load15": 3.45556640625 }, "returncode": 0, "finished": "2026-09-19T09:19:51.804069+00:00", "elapsed_seconds": 27.072066958004143, "load_after": { "load1": 2.5009765625, "load5": 3.0361328125, "load15": 3.43505859375 }, "raw_sha256": "2e5b6014a238df8ddc5ee0e2a523dce6fb7e8d7bf8b0e1a937b9e1b0594af2a1", "bulk_bytes_per_cycle": 25.09, "bulk_gib_s": 81.79, "small_cycles": 89.32, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; 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calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 15.04, "bulk_gib_s": 49.03, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 15.04, "bulk_gib_s": 49.01, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": -0.13280212483400833, "outlier": false, "small_deviation_from_median_percent": 0.19002375296912621, "small_outlier": false } ], "bulk_bytes_per_cycle": 15.06, "bulk_gib_s": 49.09, "small_cycles": 21.05, "bulk_selected_run": 1, "small_selected_run": 1, "bulk_run_spread_percent": 1.3280212483399805, "small_run_spread_percent": 1.3301662707838533, "aggregation": "median of three; >15% deviations flagged, not discarded", "flagged_runs": [], "build_note": "Final registrations; public default of this binary still dispatched NEON to Karatsuba (superseded runs recorded under chainhash-128.dispatch)" } }, "komihash": { "Xeon8375C": { "status": "complete", "runs": [ { "host": "Xeon8375C", "name": "komihash", "test": "Speed", "run": 1, "command": [ "taskset", "-c", "16-23", "SMHasher3", "komihash", "--test=Speed" ], "raw_file": "evidence/Xeon/komihash.run1.txt", "binary_sha256": "d8df2fbcf18e4e56ec2c6a96242ef47b10935cd20d05f0b249e6fdecae92846a", "started": "2026-09-19T08:07:26.131077+00:00", "load_before": { "load1": 24.89, "load5": 20.27, "load15": 13.47 }, "returncode": 0, "finished": "2026-09-19T08:08:48.287352+00:00", "elapsed_seconds": 82.10112281900365, "load_after": { "load1": 24.23, "load5": 21.24, "load15": 14.42 }, "raw_sha256": "3b2a907442b07cb7ded3ef266402cb4f5e9d797e961eb6c6a599b122fd6b9e86", "bulk_bytes_per_cycle": 7.34, "bulk_gib_s": 23.94, "small_cycles": 27.08, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; TSC ticks", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [ "3199590", "3378979", "3387302" ], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 7.34, "bulk_gib_s": 23.94, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 7.32, "bulk_gib_s": 23.86, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false }, { "host": "Xeon8375C", "name": "komihash", "test": "Speed", "run": 2, "command": [ "taskset", "-c", "16-23", "SMHasher3", "komihash", "--test=Speed" ], "raw_file": "evidence/Xeon/komihash.run2.txt", "binary_sha256": "d8df2fbcf18e4e56ec2c6a96242ef47b10935cd20d05f0b249e6fdecae92846a", "started": "2026-09-19T08:16:45.584243+00:00", "load_before": { "load1": 24.79, "load5": 25.27, "load15": 19.26 }, "returncode": 0, "finished": "2026-09-19T08:18:07.728050+00:00", "elapsed_seconds": 82.0852084949147, "load_after": { "load1": 21.92, "load5": 24.36, "load15": 19.48 }, "raw_sha256": "cf2b6f7e2e56ee6b9e2b1efbcb1cd494fed07af9b93ae6ce0bb0976beebbc619", "bulk_bytes_per_cycle": 7.34, "bulk_gib_s": 23.94, "small_cycles": 27.08, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; TSC ticks", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [ "3467803", "3489563", "3501731" ], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 7.34, "bulk_gib_s": 23.94, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 7.32, "bulk_gib_s": 23.86, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false } ], "bulk_bytes_per_cycle": 7.34, "bulk_gib_s": 23.94, "small_cycles": 27.08, "bulk_selected_run": 1, "small_selected_run": 1, "bulk_run_spread_percent": 0.0, "small_run_spread_percent": 0.0, "aggregation": "higher bulk of two passes; independently lower small average", "flagged_runs": [], "build_note": "Explicit-registration binary; header revision before the public-default selection (forced registrations and controls are unaffected)" }, "M2Pro": { "status": "complete", "runs": [ { "host": "M2Pro", "name": "komihash", "test": "Speed", "run": 1, "command": [ "SMHasher3", "komihash", "--test=Speed" ], "raw_file": "evidence/M2/komihash.run1.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:14:14.272925+00:00", "load_before": { "load1": 3.65869140625, "load5": 4.0078125, "load15": 3.84912109375 }, "returncode": 0, "finished": "2026-09-19T09:15:12.734490+00:00", "elapsed_seconds": 58.41840937497909, "load_after": { "load1": 3.14990234375, "load5": 3.8056640625, "load15": 3.783203125 }, "raw_sha256": "7f761763a79df9a250f4498fb1ed6199b8077ffb9a851a01223dc0b9559e7df5", "bulk_bytes_per_cycle": 8.12, "bulk_gib_s": 26.46, "small_cycles": 24.54, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 8.12, "bulk_gib_s": 26.46, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 8.12, "bulk_gib_s": 26.46, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 2.26700251889167, "outlier": false, "small_deviation_from_median_percent": -2.192108409724991, "small_outlier": false }, { "host": "M2Pro", "name": "komihash", "test": "Speed", "run": 2, "command": [ "SMHasher3", "komihash", "--test=Speed" ], "raw_file": "evidence/M2/komihash.run2.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:22:07.064735+00:00", "load_before": { "load1": 2.4794921875, "load5": 2.8427734375, "load15": 3.2939453125 }, "returncode": 0, "finished": "2026-09-19T09:23:05.362580+00:00", "elapsed_seconds": 58.27961679099826, "load_after": { "load1": 2.2265625, "load5": 2.7021484375, "load15": 3.208984375 }, "raw_sha256": "324fc247170d99f3c95c85cd600ded4f2d3424b4e57e502ddeeac3bf3c5d0d4e", "bulk_bytes_per_cycle": 7.94, "bulk_gib_s": 25.89, "small_cycles": 25.09, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 7.94, "bulk_gib_s": 25.89, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 7.94, "bulk_gib_s": 25.89, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": 0.0, "outlier": false, "small_deviation_from_median_percent": 0.0, "small_outlier": false }, { "host": "M2Pro", "name": "komihash", "test": "Speed", "run": 3, "command": [ "SMHasher3", "komihash", "--test=Speed" ], "raw_file": "evidence/M2/komihash.run3.txt", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "started": "2026-09-19T09:29:59.710695+00:00", "load_before": { "load1": 2.2724609375, "load5": 2.568359375, "load15": 2.958984375 }, "returncode": 0, "finished": "2026-09-19T09:30:57.976616+00:00", "elapsed_seconds": 58.24702158299624, "load_after": { "load1": 2.58349609375, "load5": 2.599609375, "load15": 2.94140625 }, "raw_sha256": "c3aa3be2a62dd27f2d119ad89f5b061b255ee3ba937154956f9da41c54d81cc9", "bulk_bytes_per_cycle": 7.93, "bulk_gib_s": 25.84, "small_cycles": 25.15, "sha256_verified": true, "valid": true, "clock_assumption": "3.5 GHz printed GiB/s; calibrated monotonic estimate", "gate_passed_at_launch": true, "smhasher_pids_at_launch": [], "bulk_sections": [ { "header": "Bulk speed test - 262144-byte keys", "bulk_bytes_per_cycle": 7.93, "bulk_gib_s": 25.84, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 }, { "header": "Bulk speed test - [262017, 262144]-byte keys", "bulk_bytes_per_cycle": 7.93, "bulk_gib_s": 25.84, "clock_assumption": "3.5 ghz", "clock_ghz": 3.5 } ], "small_header": "Small key speed test - [1, 31]-byte keys", "clock_ghz": 3.5, "deviation_from_median_percent": -0.12594458438287548, "outlier": false, "small_deviation_from_median_percent": 0.23913909924271337, "small_outlier": false } ], "bulk_bytes_per_cycle": 7.94, "bulk_gib_s": 25.89, "small_cycles": 25.09, "bulk_selected_run": 2, "small_selected_run": 2, "bulk_run_spread_percent": 2.392947103274553, "small_run_spread_percent": 2.431247508967714, "aggregation": "median of three; >15% deviations flagged, not discarded", "flagged_runs": [], "build_note": "Final registrations; public default of this binary still dispatched NEON to Karatsuba (superseded runs recorded under chainhash-128.dispatch)" } }, "meta": { "definition": "ChainHash-128: GCM field GF(2^128), eight interleaved 512-byte comb blocks per 4 KiB region, raw 256-bit CLNH accumulators, Horner in an independent key word with the byte length as leading coefficient, integer twist plus quintic finalizer", "run_time_names_note": "The run entries and the build's registration-source file names keep the names printed by the benchmark binary at run time; the keys of this record and the post's table use the current names. The functions are unchanged.", "run_time_names": { "chainhash128-v3.512school": "chainhash-128", "chainhash128-v3.512": "chainhash-128.karatsuba", "chainhash128-v3": "chainhash-128.dispatch", "chainhash-v3": "chainhash" }, "key_model": "128 uniformly random key bytes (s, y, c0..c4, tau); block keys are the field powers of s", "output_bits": 128, "default_block_bytes": 512, "verification_values": { "512": "0x1FCA728C", "256": "0x0F709CAD" }, "registrations": { "chainhash-128": "512-byte blocks, schoolbook bulk products (the product method chainhash128() dispatches on XMM, ZMM and NEON); the table row", "chainhash-128.karatsuba": "512-byte blocks, Karatsuba bulk products (forced)", "chainhash-128.dispatch": "public entry point chainhash128(): runtime backend dispatch, product method per the selection rule", "chainhash": "64-bit ChainHash (control in the same binary)" }, "affinity": { "Xeon microbenchmarks": "16-23", "Xeon other jobs": "32-95", "M2Pro": null }, "load_gate": { "M2Pro": { "no_process": "SMHasher3", "load1_less_than": 4.5, "poll_seconds": 60, "during_run": { "evidence_folders": [ "evidence/M2-clean" ], "scan_seconds": 15, "rule": "whole-machine scan for any other process named SMHasher3; a hit kills and discards the run, which is then repeated" } } }, "protocol": { "command": "SMHasher3 NAME --test=Speed", "bulk": "Average of alignments 0..7 at fixed 262144 bytes (SMHasher3 Average line)", "small": "Average of the 31 separately measured 1..31-byte costs", "xeon": "two complete passes; higher fixed-size bulk and lower small average selected independently", "m2": "three complete passes; median of bulk and median of small, independently; any run deviating more than 15 percent from its median is flagged, never dropped; the M2-clean rows add a whole-machine SMHasher3 process scan every 15 s during each run", "key_setup_timed": false, "completed_runs_excluded": 0 }, "builds": { "Xeon8375C": [ { "compiler": "c++ (GCC) 11.5.0 20240719 (Red Hat 11.5.0-14)", "flags": [ "-O3", "-std=c++11", "-DNDEBUG", "-DHAVE_THREADS", "-march=native" ], "reused_objects": { "main.cpp.o": "877a4598076d3c30326b11a352bbc3f8bd9a9a881035657e1af6756521ae8c39", "libSMHasher3Tests.a": "677e878c7e4a41add883cff0d1fd1b3f7bdfef01fe9d279d2c6ba3cbaa60d55b", "libSMHasher3Hashlib.a": "81dee0aff7103f2a98e520bcc18c139f2cb3b90ad31895775c43dc085301fc00" }, "registration_sources": { "chainhash128_v3.cpp": "79eaccf03ad76b7ada81aa27c1e442aa7322d16a4dc4c4c583542d0f0cc40850", "chainhash128_v3__512.cpp": "5a84bacafd974e196adea54675c251fde8d314ef960233e8078325fb29dc36c0", "chainhash128_v3__512school.cpp": "0f85c660b71a77e604f1e7577ab3d71d44e9b5764df7b14644442d6c8479c81b", "chainhash128_v3__school.cpp": "b873e541a7bddd67f4a18a6a5557853631439020e413d8cfa3c5ea8126972c66", "control64.cpp": "d5f95ea08decb267ddaf247e36ba2efd2782cb9d83f5243acad46d0504abe722", "control128.cpp": "5cea415be9e0569bf28e3960235bf6234f4a7e8c8701d29b27b9550ac9d25b30" }, "header_sha256": "9e56df9e4c0447cec2ff02d184dcc6054a410ebacbe962b5876ce896c66cc80c", "binary_sha256": "d8df2fbcf18e4e56ec2c6a96242ef47b10935cd20d05f0b249e6fdecae92846a", "evidence_folder": "evidence/Xeon", "provenance_file": "evidence/xeon-provenance.json", "note": "Explicit-registration binary; header revision before the public-default selection (forced registrations and controls are unaffected)" }, { "compiler": "c++ (GCC) 11.5.0 20240719 (Red Hat 11.5.0-14)", "flags": [ "-O3", "-std=c++11", "-DNDEBUG", "-DHAVE_THREADS", "-march=native" ], "reused_objects": { "main.cpp.o": "877a4598076d3c30326b11a352bbc3f8bd9a9a881035657e1af6756521ae8c39", "libSMHasher3Tests.a": "677e878c7e4a41add883cff0d1fd1b3f7bdfef01fe9d279d2c6ba3cbaa60d55b", "libSMHasher3Hashlib.a": "81dee0aff7103f2a98e520bcc18c139f2cb3b90ad31895775c43dc085301fc00" }, "registration_sources": { "chainhash128_v3.cpp": "8d93a40152785dc94d0bdd1f2488090a5bc5d792b94dcdd117d82722264a7f72", "chainhash128_v3__256.cpp": "1e364b38217ee730e7c8286dca66ae183cb030278a3ea6c821ee5f90290ebc25", "chainhash128_v3__512.cpp": "5a84bacafd974e196adea54675c251fde8d314ef960233e8078325fb29dc36c0", "chainhash128_v3__512school.cpp": "0f85c660b71a77e604f1e7577ab3d71d44e9b5764df7b14644442d6c8479c81b", "chainhash128_v3__school.cpp": "b873e541a7bddd67f4a18a6a5557853631439020e413d8cfa3c5ea8126972c66", "control64.cpp": "d5f95ea08decb267ddaf247e36ba2efd2782cb9d83f5243acad46d0504abe722", "control128.cpp": "5cea415be9e0569bf28e3960235bf6234f4a7e8c8701d29b27b9550ac9d25b30", "registration.inc": "5826a63fc70a485a285094dc02f18f51ad3abccd1d0b03c78a269a8be30f0afb" }, "header_sha256": "71b3be699518ffebcac89c4d6cd536cf82c2c56e2be6e2b5a361d2f0de874f7f", "binary_sha256": "46f9c41d928df259f8d4ec14ac3b31c4265333fb312d617925d1456ad0d7a276", "evidence_folder": "evidence/Xeon-final", "provenance_file": "evidence/xeon-final-provenance.json", "note": "Public-default binary from the final header; the lane ended after one of two passes" } ], "M2Pro": [ { "compiler": "Apple clang version 17.0.0 (clang-1700.6.4.2)", "flags": [ "-O3", "-std=c++11", "-DNDEBUG", "-DHAVE_THREADS", "-march=native+crypto" ], "reused_objects": { "main.cpp.o": "0b557883351f4b54fe180bf393cf75a35c5968889363ef3269bfaf0d152c41d5", "libSMHasher3Tests.a": "3551d62aab1340f4c80cb8aff92ac1a0b04ac51cb3fdcb7b107f1ab552bd9eba", "libSMHasher3Hashlib.a": "11f9daf90decfd4edb08d66245b25f2b1cea84df9826ae707f96e9afeb1e840d" }, "registration_sources": { "chainhash128_v3.cpp": "8d93a40152785dc94d0bdd1f2488090a5bc5d792b94dcdd117d82722264a7f72", "chainhash128_v3__256.cpp": "1e364b38217ee730e7c8286dca66ae183cb030278a3ea6c821ee5f90290ebc25", "chainhash128_v3__512.cpp": "5a84bacafd974e196adea54675c251fde8d314ef960233e8078325fb29dc36c0", "chainhash128_v3__512school.cpp": "0f85c660b71a77e604f1e7577ab3d71d44e9b5764df7b14644442d6c8479c81b", "chainhash128_v3__school.cpp": "b873e541a7bddd67f4a18a6a5557853631439020e413d8cfa3c5ea8126972c66", "control64.cpp": "d5f95ea08decb267ddaf247e36ba2efd2782cb9d83f5243acad46d0504abe722", "control128.cpp": "5cea415be9e0569bf28e3960235bf6234f4a7e8c8701d29b27b9550ac9d25b30", "registration.inc": "5826a63fc70a485a285094dc02f18f51ad3abccd1d0b03c78a269a8be30f0afb" }, "header_sha256": "71b3be699518ffebcac89c4d6cd536cf82c2c56e2be6e2b5a361d2f0de874f7f", "binary_sha256": "538d584df3317947011c07affd42248f9a57460662c82aa9ca04d1872ae28a12", "evidence_folder": "evidence/M2", "provenance_file": "evidence/m2-final-provenance.json", "note": "Final registrations; public default of this binary still dispatched NEON to Karatsuba (superseded runs recorded under chainhash-128.dispatch)" }, { "compiler": "Apple clang version 17.0.0 (clang-1700.6.4.2)", "flags": [ "-O3", "-std=c++11", "-DNDEBUG", "-DHAVE_THREADS", "-march=native+crypto" ], "reused_objects": { "main.cpp.o": "0b557883351f4b54fe180bf393cf75a35c5968889363ef3269bfaf0d152c41d5", "libSMHasher3Tests.a": "3551d62aab1340f4c80cb8aff92ac1a0b04ac51cb3fdcb7b107f1ab552bd9eba", "libSMHasher3Hashlib.a": "11f9daf90decfd4edb08d66245b25f2b1cea84df9826ae707f96e9afeb1e840d" }, "registration_sources": { "chainhash128_v3.cpp": "8d93a40152785dc94d0bdd1f2488090a5bc5d792b94dcdd117d82722264a7f72", "chainhash128_v3__256.cpp": "1e364b38217ee730e7c8286dca66ae183cb030278a3ea6c821ee5f90290ebc25", "chainhash128_v3__512.cpp": "5a84bacafd974e196adea54675c251fde8d314ef960233e8078325fb29dc36c0", "chainhash128_v3__512school.cpp": "0f85c660b71a77e604f1e7577ab3d71d44e9b5764df7b14644442d6c8479c81b", "chainhash128_v3__school.cpp": "b873e541a7bddd67f4a18a6a5557853631439020e413d8cfa3c5ea8126972c66", "control64.cpp": "d5f95ea08decb267ddaf247e36ba2efd2782cb9d83f5243acad46d0504abe722", "control128.cpp": "5cea415be9e0569bf28e3960235bf6234f4a7e8c8701d29b27b9550ac9d25b30", "registration.inc": "5826a63fc70a485a285094dc02f18f51ad3abccd1d0b03c78a269a8be30f0afb" }, "header_sha256": "6c31b6f3638d545f3d95c95bd4edd7483a8964a429957fb1ab3111d9b107a455", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "evidence_folder": "evidence/M2-default", "provenance_file": "evidence/m2-default-provenance.json", "note": "Public default rebuilt after the selection: NEON dispatches to schoolbook" }, { "compiler": "Apple clang version 17.0.0 (clang-1700.6.4.2)", "flags": [ "-O3", "-std=c++11", "-DNDEBUG", "-DHAVE_THREADS", "-march=native+crypto" ], "reused_objects": { "main.cpp.o": "0b557883351f4b54fe180bf393cf75a35c5968889363ef3269bfaf0d152c41d5", "libSMHasher3Tests.a": "3551d62aab1340f4c80cb8aff92ac1a0b04ac51cb3fdcb7b107f1ab552bd9eba", "libSMHasher3Hashlib.a": "11f9daf90decfd4edb08d66245b25f2b1cea84df9826ae707f96e9afeb1e840d" }, "registration_sources": { "chainhash128_v3.cpp": "8d93a40152785dc94d0bdd1f2488090a5bc5d792b94dcdd117d82722264a7f72", "chainhash128_v3__256.cpp": "1e364b38217ee730e7c8286dca66ae183cb030278a3ea6c821ee5f90290ebc25", "chainhash128_v3__512.cpp": "5a84bacafd974e196adea54675c251fde8d314ef960233e8078325fb29dc36c0", "chainhash128_v3__512school.cpp": "0f85c660b71a77e604f1e7577ab3d71d44e9b5764df7b14644442d6c8479c81b", "chainhash128_v3__school.cpp": "b873e541a7bddd67f4a18a6a5557853631439020e413d8cfa3c5ea8126972c66", "control64.cpp": "d5f95ea08decb267ddaf247e36ba2efd2782cb9d83f5243acad46d0504abe722", "control128.cpp": "5cea415be9e0569bf28e3960235bf6234f4a7e8c8701d29b27b9550ac9d25b30", "registration.inc": "5826a63fc70a485a285094dc02f18f51ad3abccd1d0b03c78a269a8be30f0afb" }, "header_sha256": "6c31b6f3638d545f3d95c95bd4edd7483a8964a429957fb1ab3111d9b107a455", "binary_sha256": "305d1d85bc07c179b46c5420d6f1decbf492d1796daf4e5cd0b15f1c37b2572e", "evidence_folder": "evidence/M2-clean", "provenance_file": "evidence/m2-default-provenance.json", "note": "Re-timing in a verified-clean window with the public-default binary: launch gate plus a whole-machine SMHasher3 process scan every 15 s during each run; no other SMHasher3 process at any poll" } ] }, "header_sha256": "6c31b6f3638d545f3d95c95bd4edd7483a8964a429957fb1ab3111d9b107a455", "clock_caveat": "Xeon B/TSC; M2 calibrated estimated cycles, not a privileged hardware cycle counter. Printed GiB/sec assumes 3.5 GHz.", "default_selection": { "Xeon8375C": { "schoolbook_bulk": 14.43, "karatsuba_bulk": 13.91, "schoolbook_over_karatsuba_percent": 3.738317757009346, "schoolbook_small": 175.93, "karatsuba_small": 175.86, "faster_bulk": "schoolbook", "public_default_bulk": 14.45, "xxh3_128_bulk": 19.82 }, "M2Pro": { "schoolbook_bulk": 10.26, "karatsuba_bulk": 9.39, "schoolbook_over_karatsuba_percent": 9.26517571884984, "schoolbook_small": 167.89, "karatsuba_small": 170.19, "faster_bulk": "schoolbook", "public_default_bulk": 10.12, "xxh3_128_bulk": 12.56 }, "chosen": "schoolbook", "rule": "chainhash128() dispatches schoolbook products on XMM, ZMM and NEON; Karatsuba on YMM and portable. Both products give the same digest; the choice only affects speed." }, "m2_retiming": { "reason": "the earlier M2 passes were gated at launch only and may have overlapped a quality-suite run on the same machine; the four public rows were re-timed with the same public-default binary in a window verified clean before launch and every 15 s during each run", "evidence_folder": "evidence/M2-clean", "hashes": [ "chainhash-128.dispatch", "chainhash", "XXH3-128" ], "window_utc": [ "2026-09-19T10:06:18.389957+00:00", "2026-09-19T10:15:42.622896+00:00" ], "runs_completed": 12, "runs_discarded": 0, "discarded": [], "max_load1_at_launch": 3.71923828125, "superseded": { "evidence/M2-default": [ "chainhash-128.dispatch" ], "evidence/M2": [ "chainhash", "XXH3-128" ] } }, "generated_utc": "2026-09-19T10:17:07.257565+00:00" } }