Performance measurements › x86_1 › hash-03 · system: x86_1 · arm_1

hash-03 C Hash — 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

Category: cryptographic hash algorithm; function: hash
Algorithm: C Hash
Implementation versions measured: reference
Parameter sets: CHash_512, CHash_1024
Security evaluation: hash-03 report
Measurement method: x86_1 method
Submission: NICCS page

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-03/kat.sha256 in the harness) before timing.

instance	build flags	KAT
`CHash_512`	guide	PASS
`CHash_1024`	guide	PASS

4. Performance

instance	message	mean cycles	cycles/byte	mean time	MB/s	n
`CHash_512`	32 B	190.3 k	5948.3	90.9 µs	0.4	50315 (5 × 10063)
`CHash_512`	128 B	190.3 k	1487.0	90.9 µs	1.4	50420 (5 × 10084)
`CHash_512`	512 B	760.9 k	1486.1	363 µs	1.4	13490 (5 × 2698)
`CHash_512`	1024 B	1.33 M	1300.7	636 µs	1.6	7630 (5 × 1526)
`CHash_512`	4096 B	4.47 M	1092.0	2.14 ms	1.9	2275 (5 × 455)
`CHash_512`	8192 B	8.75 M	1068.4	4.18 ms	2.0	1190 (5 × 238)
`CHash_512`	16384 B	17.22 M	1050.9	8.23 ms	2.0	600 (5 × 120)
`CHash_512`	65536 B	67.98 M	1037.2	32.5 ms	2.0	155 (5 × 31)
`CHash_1024`	32 B	190.4 k	5948.9	90.9 µs	0.4	50355 (5 × 10071)
`CHash_1024`	128 B	190.3 k	1486.8	90.9 µs	1.4	50515 (5 × 10103)
`CHash_1024`	512 B	762.8 k	1489.9	364 µs	1.4	13380 (5 × 2676)
`CHash_1024`	1024 B	1.33 M	1303.7	638 µs	1.6	7695 (5 × 1539)
`CHash_1024`	4096 B	4.48 M	1094.0	2.14 ms	1.9	2325 (5 × 465)
`CHash_1024`	8192 B	8.77 M	1070.8	4.19 ms	2.0	1185 (5 × 237)
`CHash_1024`	16384 B	17.26 M	1053.3	8.24 ms	2.0	600 (5 × 120)
`CHash_1024`	65536 B	68.14 M	1039.8	32.5 ms	2.0	155 (5 × 31)

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
`CHash_512`	hash_32	17281	1676 KiB	1772 KiB
`CHash_512`	hash_128	17281	1696 KiB	1764 KiB
`CHash_512`	hash_512	17281	1676 KiB	1764 KiB
`CHash_512`	hash_1024	17281	1632 KiB	1764 KiB
`CHash_512`	hash_4096	17281	1688 KiB	1772 KiB
`CHash_512`	hash_8192	17281	1692 KiB	1788 KiB
`CHash_512`	hash_16384	17281	1708 KiB	1808 KiB
`CHash_512`	hash_65536	17281	1740 KiB	1908 KiB
`CHash_1024`	hash_32	17281	1696 KiB	1760 KiB
`CHash_1024`	hash_128	17281	1672 KiB	1736 KiB
`CHash_1024`	hash_512	17281	1672 KiB	1736 KiB
`CHash_1024`	hash_1024	17281	1632 KiB	1764 KiB
`CHash_1024`	hash_4096	17281	1692 KiB	1760 KiB
`CHash_1024`	hash_8192	17281	1684 KiB	1776 KiB
`CHash_1024`	hash_16384	17281	1708 KiB	1788 KiB
`CHash_1024`	hash_65536	17281	1728 KiB	1912 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
`CHash_512`	KAT log (sha256 `0b6ad2a61e56cc4a…`)	`kat/hash-03/CHash_512.log`
`CHash_512`	timing hash_1024	`records/hash-03/CHash_512__hash_1024.json`
`CHash_512`	timing hash_128	`records/hash-03/CHash_512__hash_128.json`
`CHash_512`	timing hash_16384	`records/hash-03/CHash_512__hash_16384.json`
`CHash_512`	timing hash_32	`records/hash-03/CHash_512__hash_32.json`
`CHash_512`	timing hash_4096	`records/hash-03/CHash_512__hash_4096.json`
`CHash_512`	timing hash_512	`records/hash-03/CHash_512__hash_512.json`
`CHash_512`	timing hash_65536	`records/hash-03/CHash_512__hash_65536.json`
`CHash_512`	timing hash_8192	`records/hash-03/CHash_512__hash_8192.json`
`CHash_1024`	KAT log (sha256 `9ec6ff5572945684…`)	`kat/hash-03/CHash_1024.log`
`CHash_1024`	timing hash_1024	`records/hash-03/CHash_1024__hash_1024.json`
`CHash_1024`	timing hash_128	`records/hash-03/CHash_1024__hash_128.json`
`CHash_1024`	timing hash_16384	`records/hash-03/CHash_1024__hash_16384.json`
`CHash_1024`	timing hash_32	`records/hash-03/CHash_1024__hash_32.json`
`CHash_1024`	timing hash_4096	`records/hash-03/CHash_1024__hash_4096.json`
`CHash_1024`	timing hash_512	`records/hash-03/CHash_1024__hash_512.json`
`CHash_1024`	timing hash_65536	`records/hash-03/CHash_1024__hash_65536.json`
`CHash_1024`	timing hash_8192	`records/hash-03/CHash_1024__hash_8192.json`

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