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Performance measurements › x86_1 › hash-34 · system: x86_1 · arm_1

hash-34 WChain Hash Function — 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-34/kat.sha256 in the harness) before timing.

instance build flags KAT
WChain-V1-512 guide PASS
WChain-V2-1024 guide PASS

4. Performance

instance message mean cycles cycles/byte mean time MB/s n
WChain-V1-512 32 B 2099 65.6 1 µs 31.9 100000 (5 × 20000)
WChain-V1-512 128 B 2060 16.1 987 ns 129.7 100000 (5 × 20000)
WChain-V1-512 512 B 5015 9.8 2.4 µs 213.5 100000 (5 × 20000)
WChain-V1-512 1024 B 8844 8.6 4.23 µs 242.1 100000 (5 × 20000)
WChain-V1-512 4096 B 29.2 k 7.1 13.9 µs 293.6 100000 (5 × 20000)
WChain-V1-512 8192 B 56.1 k 6.8 26.8 µs 305.9 100000 (5 × 20000)
WChain-V1-512 16384 B 110.3 k 6.7 52.7 µs 310.8 87225 (5 × 17445)
WChain-V1-512 65536 B 433.6 k 6.6 207 µs 316.4 21485 (5 × 4297)
WChain-V2-1024 32 B 6691 209.1 3.2 µs 10.0 100000 (5 × 20000)
WChain-V2-1024 128 B 6696 52.3 3.2 µs 40.0 100000 (5 × 20000)
WChain-V2-1024 512 B 9967 19.5 4.76 µs 107.5 100000 (5 × 20000)
WChain-V2-1024 1024 B 16.5 k 16.1 7.89 µs 129.9 100000 (5 × 20000)
WChain-V2-1024 4096 B 52.3 k 12.8 25 µs 164.1 100000 (5 × 20000)
WChain-V2-1024 8192 B 97.7 k 11.9 46.7 µs 175.5 91665 (5 × 18333)
WChain-V2-1024 16384 B 188.8 k 11.5 90.2 µs 181.6 51015 (5 × 10203)
WChain-V2-1024 65536 B 746.0 k 11.4 356 µs 183.9 13720 (5 × 2744)

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
WChain-V1-512 hash_32 21173 1688 KiB 1788 KiB
WChain-V1-512 hash_128 21173 1700 KiB 1764 KiB
WChain-V1-512 hash_512 21173 1676 KiB 1784 KiB
WChain-V1-512 hash_1024 21173 1704 KiB 1788 KiB
WChain-V1-512 hash_4096 21173 1692 KiB 1756 KiB
WChain-V1-512 hash_8192 21173 1704 KiB 1792 KiB
WChain-V1-512 hash_16384 21173 1716 KiB 1788 KiB
WChain-V1-512 hash_65536 21173 1752 KiB 1832 KiB
WChain-V2-1024 hash_32 21173 1696 KiB 1784 KiB
WChain-V2-1024 hash_128 21173 1684 KiB 1748 KiB
WChain-V2-1024 hash_512 21173 1676 KiB 1768 KiB
WChain-V2-1024 hash_1024 21173 1688 KiB 1784 KiB
WChain-V2-1024 hash_4096 21173 1668 KiB 1792 KiB
WChain-V2-1024 hash_8192 21173 1684 KiB 1784 KiB
WChain-V2-1024 hash_16384 21173 1704 KiB 1796 KiB
WChain-V2-1024 hash_65536 21173 1736 KiB 1804 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
WChain-V1-512 KAT log (sha256 e97e84bbe8988f52…) kat/hash-34/WChain-V1-512.log
WChain-V1-512 timing hash_1024 records/hash-34/WChain-V1-512__hash_1024.json
WChain-V1-512 timing hash_128 records/hash-34/WChain-V1-512__hash_128.json
WChain-V1-512 timing hash_16384 records/hash-34/WChain-V1-512__hash_16384.json
WChain-V1-512 timing hash_32 records/hash-34/WChain-V1-512__hash_32.json
WChain-V1-512 timing hash_4096 records/hash-34/WChain-V1-512__hash_4096.json
WChain-V1-512 timing hash_512 records/hash-34/WChain-V1-512__hash_512.json
WChain-V1-512 timing hash_65536 records/hash-34/WChain-V1-512__hash_65536.json
WChain-V1-512 timing hash_8192 records/hash-34/WChain-V1-512__hash_8192.json
WChain-V2-1024 KAT log (sha256 234d85c56e56e60a…) kat/hash-34/WChain-V2-1024.log
WChain-V2-1024 timing hash_1024 records/hash-34/WChain-V2-1024__hash_1024.json
WChain-V2-1024 timing hash_128 records/hash-34/WChain-V2-1024__hash_128.json
WChain-V2-1024 timing hash_16384 records/hash-34/WChain-V2-1024__hash_16384.json
WChain-V2-1024 timing hash_32 records/hash-34/WChain-V2-1024__hash_32.json
WChain-V2-1024 timing hash_4096 records/hash-34/WChain-V2-1024__hash_4096.json
WChain-V2-1024 timing hash_512 records/hash-34/WChain-V2-1024__hash_512.json
WChain-V2-1024 timing hash_65536 records/hash-34/WChain-V2-1024__hash_65536.json
WChain-V2-1024 timing hash_8192 records/hash-34/WChain-V2-1024__hash_8192.json

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