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Performance measurements › x86_1 › hash-05 · system: x86_1 · arm_1

hash-05 Cryptographic Hash Algorithm uHash — performance on x86-64 (system x86_1)

Independent measurement following the structure of the NICCS x86 self-assessment guide, §3.5 (1)–(7). Not a submitter self-assessment.

1. Basic information

2. Assessment environment

item value
processor 12th Gen Intel(R) Core(TM) i7-12700 (CPU 2, one core)
clock max 2.10 GHz, governor performance, turbo off, SMT off
memory 31788 MiB
OS / kernel Debian GNU/Linux 13 (trixie) / 6.12.107+deb13-amd64
compiler / build tool gcc (Debian 14.2.0-19) 14.2.0 / cmake version 3.31.6
campaign start / end (UTC) 2026-09-25T10:02:21 / 2026-09-28T10:51:21

3. Functional testing (KAT)

Each library was checked against the submitted KAT vectors (SHA-256 manifest hash-05/kat.sha256 in the harness) before timing.

instance build flags KAT
uHash-512 guide PASS
uHash-768 guide PASS
uHash-1024 guide PASS

4. Performance

instance message mean cycles cycles/byte mean time MB/s n
uHash-512 32 B 58.0 k 1811.0 27.8 µs 1.2 100000 (5 × 20000)
uHash-512 128 B 115.4 k 901.9 55.2 µs 2.3 75015 (5 × 15003)
uHash-512 512 B 345.0 k 673.8 165 µs 3.1 28385 (5 × 5677)
uHash-512 1024 B 640.8 k 625.8 307 µs 3.3 15900 (5 × 3180)
uHash-512 4096 B 2.48 M 605.1 1.19 ms 3.4 4195 (5 × 839)
uHash-512 8192 B 4.95 M 604.6 2.37 ms 3.5 2110 (5 × 422)
uHash-512 16384 B 9.79 M 597.6 4.69 ms 3.5 1065 (5 × 213)
uHash-512 65536 B 39.38 M 600.9 18.9 ms 3.5 260 (5 × 52)
uHash-768 32 B 86.7 k 2708.6 41.5 µs 0.8 93890 (5 × 18778)
uHash-768 128 B 259.7 k 2029.2 124 µs 1.0 36900 (5 × 7380)
uHash-768 512 B 780.5 k 1524.5 374 µs 1.4 12830 (5 × 2566)
uHash-768 1024 B 1.47 M 1433.7 703 µs 1.5 6875 (5 × 1375)
uHash-768 4096 B 5.60 M 1368.2 2.68 ms 1.5 1850 (5 × 370)
uHash-768 8192 B 11.08 M 1352.5 5.3 ms 1.5 930 (5 × 186)
uHash-768 16384 B 22.20 M 1355.1 10.6 ms 1.5 475 (5 × 95)
uHash-768 65536 B 88.11 M 1344.5 42.2 ms 1.6 120 (5 × 24)
uHash-1024 32 B 230.6 k 7206.7 110 µs 0.3 40115 (5 × 8023)
uHash-1024 128 B 577.8 k 4514.0 277 µs 0.5 17420 (5 × 3484)
uHash-1024 512 B 1.95 M 3802.5 933 µs 0.5 5245 (5 × 1049)
uHash-1024 1024 B 3.78 M 3691.9 1.81 ms 0.6 2735 (5 × 547)
uHash-1024 4096 B 14.89 M 3635.2 7.12 ms 0.6 690 (5 × 138)
uHash-1024 8192 B 29.68 M 3623.0 14.2 ms 0.6 355 (5 × 71)
uHash-1024 16384 B 58.75 M 3586.0 28.1 ms 0.6 180 (5 × 36)
uHash-1024 65536 B 235.53 M 3593.9 113 ms 0.6 100 (5 × 20)

5. Resource consumption

Static memory is approximated by the library's loadable ELF segments; peak memory is the process high-water mark (VmHWM) including the benchmark driver and libc, so both are upper-bound proxies rather than isolated algorithm memory.

instance operation static: ELF image (bytes) baseline RSS peak RSS
uHash-512 hash_32 18185 1656 KiB 1784 KiB
uHash-512 hash_128 18185 1676 KiB 1744 KiB
uHash-512 hash_512 18185 1684 KiB 1752 KiB
uHash-512 hash_1024 18185 1636 KiB 1768 KiB
uHash-512 hash_4096 18185 1696 KiB 1776 KiB
uHash-512 hash_8192 18185 1692 KiB 1768 KiB
uHash-512 hash_16384 18185 1692 KiB 1776 KiB
uHash-512 hash_65536 18185 1740 KiB 1872 KiB
uHash-768 hash_32 18185 1684 KiB 1752 KiB
uHash-768 hash_128 18185 1676 KiB 1776 KiB
uHash-768 hash_512 18185 1680 KiB 1776 KiB
uHash-768 hash_1024 18185 1660 KiB 1788 KiB
uHash-768 hash_4096 18185 1696 KiB 1792 KiB
uHash-768 hash_8192 18185 1704 KiB 1796 KiB
uHash-768 hash_16384 18185 1704 KiB 1816 KiB
uHash-768 hash_65536 18185 1756 KiB 1888 KiB
uHash-1024 hash_32 18185 1696 KiB 1764 KiB
uHash-1024 hash_128 18185 1692 KiB 1788 KiB
uHash-1024 hash_512 18185 1692 KiB 1760 KiB
uHash-1024 hash_1024 18185 1676 KiB 1748 KiB
uHash-1024 hash_4096 18185 1696 KiB 1792 KiB
uHash-1024 hash_8192 18185 1680 KiB 1756 KiB
uHash-1024 hash_16384 18185 1664 KiB 1812 KiB
uHash-1024 hash_65536 18185 1756 KiB 1888 KiB

7. Raw evidence index

Paths are relative to performance/data/x86_1/ in the harness; each JSON file records its commands, environment and trials.

instance item file
uHash-512 KAT log (sha256 0029d0290ec4374f…) kat/hash-05/uHash-512.log
uHash-512 timing hash_1024 records/hash-05/uHash-512__hash_1024.json
uHash-512 timing hash_128 records/hash-05/uHash-512__hash_128.json
uHash-512 timing hash_16384 records/hash-05/uHash-512__hash_16384.json
uHash-512 timing hash_32 records/hash-05/uHash-512__hash_32.json
uHash-512 timing hash_4096 records/hash-05/uHash-512__hash_4096.json
uHash-512 timing hash_512 records/hash-05/uHash-512__hash_512.json
uHash-512 timing hash_65536 records/hash-05/uHash-512__hash_65536.json
uHash-512 timing hash_8192 records/hash-05/uHash-512__hash_8192.json
uHash-768 KAT log (sha256 ca7d3dd2f9c4a2a5…) kat/hash-05/uHash-768.log
uHash-768 timing hash_1024 records/hash-05/uHash-768__hash_1024.json
uHash-768 timing hash_128 records/hash-05/uHash-768__hash_128.json
uHash-768 timing hash_16384 records/hash-05/uHash-768__hash_16384.json
uHash-768 timing hash_32 records/hash-05/uHash-768__hash_32.json
uHash-768 timing hash_4096 records/hash-05/uHash-768__hash_4096.json
uHash-768 timing hash_512 records/hash-05/uHash-768__hash_512.json
uHash-768 timing hash_65536 records/hash-05/uHash-768__hash_65536.json
uHash-768 timing hash_8192 records/hash-05/uHash-768__hash_8192.json
uHash-1024 KAT log (sha256 375d84ad7f410321…) kat/hash-05/uHash-1024.log
uHash-1024 timing hash_1024 records/hash-05/uHash-1024__hash_1024.json
uHash-1024 timing hash_128 records/hash-05/uHash-1024__hash_128.json
uHash-1024 timing hash_16384 records/hash-05/uHash-1024__hash_16384.json
uHash-1024 timing hash_32 records/hash-05/uHash-1024__hash_32.json
uHash-1024 timing hash_4096 records/hash-05/uHash-1024__hash_4096.json
uHash-1024 timing hash_512 records/hash-05/uHash-1024__hash_512.json
uHash-1024 timing hash_65536 records/hash-05/uHash-1024__hash_65536.json
uHash-1024 timing hash_8192 records/hash-05/uHash-1024__hash_8192.json

Scripts: performance/campaign.py, performance/ngcc_perf.c, performance/hashprof/ in the harness.