Performance measurements › x86_1 › hash-26 · system: x86_1 · arm_1

hash-26 The Hash Function CHIME — 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: The Hash Function CHIME
Implementation versions measured: reference
Parameter sets: CHIME-512, CHIME-1024
Security evaluation: hash-26 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-26/kat.sha256 in the harness) before timing.

instance	build flags	KAT
`CHIME-512`	guide	PASS
`CHIME-1024`	guide	PASS

4. Performance

instance	message	mean cycles	cycles/byte	mean time	MB/s	n
`CHIME-512`	32 B	2248	70.3	1.08 µs	29.7	100000 (5 × 20000)
`CHIME-512`	128 B	6592	51.5	3.15 µs	40.6	100000 (5 × 20000)
`CHIME-512`	512 B	19.7 k	38.4	9.41 µs	54.4	100000 (5 × 20000)
`CHIME-512`	1024 B	37.2 k	36.3	17.8 µs	57.6	100000 (5 × 20000)
`CHIME-512`	4096 B	141.4 k	34.5	67.6 µs	60.6	65510 (5 × 13102)
`CHIME-512`	8192 B	282.7 k	34.5	135 µs	60.6	34380 (5 × 6876)
`CHIME-512`	16384 B	562.0 k	34.3	269 µs	61.0	17910 (5 × 3582)
`CHIME-512`	65536 B	2.24 M	34.2	1.07 ms	61.2	4435 (5 × 887)
`CHIME-1024`	32 B	3030	94.7	1.45 µs	22.0	100000 (5 × 20000)
`CHIME-1024`	128 B	8849	69.1	4.23 µs	30.3	100000 (5 × 20000)
`CHIME-1024`	512 B	29.2 k	57.1	14 µs	36.6	100000 (5 × 20000)
`CHIME-1024`	1024 B	55.7 k	54.4	26.6 µs	38.5	100000 (5 × 20000)
`CHIME-1024`	4096 B	216.0 k	52.7	103 µs	39.7	44990 (5 × 8998)
`CHIME-1024`	8192 B	429.0 k	52.4	205 µs	40.0	23235 (5 × 4647)
`CHIME-1024`	16384 B	851.4 k	52.0	407 µs	40.3	11750 (5 × 2350)
`CHIME-1024`	65536 B	3.42 M	52.2	1.63 ms	40.1	2885 (5 × 577)

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
`CHIME-512`	hash_32	13305	1692 KiB	1776 KiB
`CHIME-512`	hash_128	13305	1684 KiB	1756 KiB
`CHIME-512`	hash_512	13305	1660 KiB	1724 KiB
`CHIME-512`	hash_1024	13305	1684 KiB	1772 KiB
`CHIME-512`	hash_4096	13305	1656 KiB	1784 KiB
`CHIME-512`	hash_8192	13305	1636 KiB	1772 KiB
`CHIME-512`	hash_16384	13305	1680 KiB	1812 KiB
`CHIME-512`	hash_65536	13305	1736 KiB	1864 KiB
`CHIME-1024`	hash_32	13889	1600 KiB	1728 KiB
`CHIME-1024`	hash_128	13889	1660 KiB	1784 KiB
`CHIME-1024`	hash_512	13889	1696 KiB	1772 KiB
`CHIME-1024`	hash_1024	13889	1680 KiB	1784 KiB
`CHIME-1024`	hash_4096	13889	1700 KiB	1792 KiB
`CHIME-1024`	hash_8192	13889	1680 KiB	1800 KiB
`CHIME-1024`	hash_16384	13889	1684 KiB	1768 KiB
`CHIME-1024`	hash_65536	13889	1724 KiB	1920 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
`CHIME-512`	KAT log (sha256 `9f75bfe327c886dd…`)	`kat/hash-26/CHIME-512.log`
`CHIME-512`	timing hash_1024	`records/hash-26/CHIME-512__hash_1024.json`
`CHIME-512`	timing hash_128	`records/hash-26/CHIME-512__hash_128.json`
`CHIME-512`	timing hash_16384	`records/hash-26/CHIME-512__hash_16384.json`
`CHIME-512`	timing hash_32	`records/hash-26/CHIME-512__hash_32.json`
`CHIME-512`	timing hash_4096	`records/hash-26/CHIME-512__hash_4096.json`
`CHIME-512`	timing hash_512	`records/hash-26/CHIME-512__hash_512.json`
`CHIME-512`	timing hash_65536	`records/hash-26/CHIME-512__hash_65536.json`
`CHIME-512`	timing hash_8192	`records/hash-26/CHIME-512__hash_8192.json`
`CHIME-1024`	KAT log (sha256 `3648493718149414…`)	`kat/hash-26/CHIME-1024.log`
`CHIME-1024`	timing hash_1024	`records/hash-26/CHIME-1024__hash_1024.json`
`CHIME-1024`	timing hash_128	`records/hash-26/CHIME-1024__hash_128.json`
`CHIME-1024`	timing hash_16384	`records/hash-26/CHIME-1024__hash_16384.json`
`CHIME-1024`	timing hash_32	`records/hash-26/CHIME-1024__hash_32.json`
`CHIME-1024`	timing hash_4096	`records/hash-26/CHIME-1024__hash_4096.json`
`CHIME-1024`	timing hash_512	`records/hash-26/CHIME-1024__hash_512.json`
`CHIME-1024`	timing hash_65536	`records/hash-26/CHIME-1024__hash_65536.json`
`CHIME-1024`	timing hash_8192	`records/hash-26/CHIME-1024__hash_8192.json`

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