Performance measurements › x86_1 › hash-15 · system: x86_1 · arm_1

hash-15 Litchi — 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: Litchi
Implementation versions measured: reference
Parameter sets: litchi_512, litchi_768, litchi_1024, litchi_xof
Security evaluation: hash-15 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-15/kat.sha256 in the harness) before timing.

instance	build flags	KAT
`litchi_512`	guide	PASS
`litchi_768`	guide	PASS
`litchi_1024`	guide	PASS
`litchi_xof`	guide	PASS

4. Performance

instance	message	mean cycles	cycles/byte	mean time	MB/s	n
`litchi_512`	32 B	4129	129.0	1.97 µs	16.2	100000 (5 × 20000)
`litchi_512`	128 B	8081	63.1	3.86 µs	33.1	100000 (5 × 20000)
`litchi_512`	512 B	20.4 k	39.8	9.73 µs	52.6	100000 (5 × 20000)
`litchi_512`	1024 B	36.6 k	35.8	17.5 µs	58.5	100000 (5 × 20000)
`litchi_512`	4096 B	133.9 k	32.7	64 µs	64.0	73960 (5 × 14792)
`litchi_512`	8192 B	263.6 k	32.2	126 µs	65.1	40970 (5 × 8194)
`litchi_512`	16384 B	521.3 k	31.8	250 µs	65.4	19600 (5 × 3920)
`litchi_512`	65536 B	2.06 M	31.5	986 µs	66.4	5065 (5 × 1013)
`litchi_768`	32 B	4162	130.1	1.99 µs	16.1	100000 (5 × 20000)
`litchi_768`	128 B	8374	65.4	4 µs	32.0	100000 (5 × 20000)
`litchi_768`	512 B	24.1 k	47.0	11.5 µs	44.5	100000 (5 × 20000)
`litchi_768`	1024 B	44.4 k	43.4	21.2 µs	48.3	100000 (5 × 20000)
`litchi_768`	4096 B	174.2 k	42.5	83.2 µs	49.2	52910 (5 × 10582)
`litchi_768`	8192 B	346.3 k	42.3	165 µs	49.5	29860 (5 × 5972)
`litchi_768`	16384 B	687.0 k	41.9	328 µs	49.9	15550 (5 × 3110)
`litchi_768`	65536 B	2.74 M	41.8	1.31 ms	50.1	3695 (5 × 739)
`litchi_1024`	32 B	4111	128.5	1.97 µs	16.3	100000 (5 × 20000)
`litchi_1024`	128 B	11.9 k	92.7	5.67 µs	22.6	100000 (5 × 20000)
`litchi_1024`	512 B	35.5 k	69.3	16.9 µs	30.2	100000 (5 × 20000)
`litchi_1024`	1024 B	66.7 k	65.2	31.9 µs	32.1	100000 (5 × 20000)
`litchi_1024`	4096 B	256.1 k	62.5	122 µs	33.5	37165 (5 × 7433)
`litchi_1024`	8192 B	502.0 k	61.3	240 µs	34.2	19695 (5 × 3939)
`litchi_1024`	16384 B	1.01 M	61.6	482 µs	34.0	9835 (5 × 1967)
`litchi_1024`	65536 B	4.01 M	61.2	1.92 ms	34.2	2565 (5 × 513)
`litchi_xof`	32 B	4291	134.1	2.05 µs	15.6	100000 (5 × 20000)
`litchi_xof`	128 B	8317	65.0	3.98 µs	32.2	100000 (5 × 20000)
`litchi_xof`	512 B	31.2 k	61.0	14.9 µs	34.3	100000 (5 × 20000)
`litchi_xof`	1024 B	58.0 k	56.6	27.7 µs	37.0	100000 (5 × 20000)
`litchi_xof`	4096 B	217.8 k	53.2	104 µs	39.4	46455 (5 × 9291)
`litchi_xof`	8192 B	438.5 k	53.5	209 µs	39.1	23230 (5 × 4646)
`litchi_xof`	16384 B	872.2 k	53.2	417 µs	39.3	12235 (5 × 2447)
`litchi_xof`	65536 B	3.53 M	53.8	1.68 ms	38.9	3030 (5 × 606)

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
`litchi_512`	hash_32	14981	1672 KiB	1760 KiB
`litchi_512`	hash_128	14981	1696 KiB	1760 KiB
`litchi_512`	hash_512	14981	1680 KiB	1744 KiB
`litchi_512`	hash_1024	14981	1676 KiB	1740 KiB
`litchi_512`	hash_4096	14981	1688 KiB	1776 KiB
`litchi_512`	hash_8192	14981	1692 KiB	1756 KiB
`litchi_512`	hash_16384	14981	1700 KiB	1776 KiB
`litchi_512`	hash_65536	14981	1728 KiB	1796 KiB
`litchi_768`	hash_32	12725	1672 KiB	1776 KiB
`litchi_768`	hash_128	12725	1656 KiB	1780 KiB
`litchi_768`	hash_512	12725	1664 KiB	1776 KiB
`litchi_768`	hash_1024	12725	1668 KiB	1732 KiB
`litchi_768`	hash_4096	12725	1684 KiB	1772 KiB
`litchi_768`	hash_8192	12725	1684 KiB	1780 KiB
`litchi_768`	hash_16384	12725	1696 KiB	1760 KiB
`litchi_768`	hash_65536	12725	1744 KiB	1844 KiB
`litchi_1024`	hash_32	12661	1684 KiB	1776 KiB
`litchi_1024`	hash_128	12661	1680 KiB	1776 KiB
`litchi_1024`	hash_512	12661	1692 KiB	1756 KiB
`litchi_1024`	hash_1024	12661	1628 KiB	1756 KiB
`litchi_1024`	hash_4096	12661	1656 KiB	1780 KiB
`litchi_1024`	hash_8192	12661	1672 KiB	1736 KiB
`litchi_1024`	hash_16384	12661	1684 KiB	1772 KiB
`litchi_1024`	hash_65536	12661	1752 KiB	1816 KiB
`litchi_xof`	hash_32	13253	1648 KiB	1772 KiB
`litchi_xof`	hash_128	13253	1688 KiB	1772 KiB
`litchi_xof`	hash_512	13253	1684 KiB	1756 KiB
`litchi_xof`	hash_1024	13253	1668 KiB	1776 KiB
`litchi_xof`	hash_4096	13253	1696 KiB	1760 KiB
`litchi_xof`	hash_8192	13253	1676 KiB	1780 KiB
`litchi_xof`	hash_16384	13253	1708 KiB	1784 KiB
`litchi_xof`	hash_65536	13253	1732 KiB	1824 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
`litchi_512`	KAT log (sha256 `4cee4d72f05f9c85…`)	`kat/hash-15/litchi_512.log`
`litchi_512`	timing hash_1024	`records/hash-15/litchi_512__hash_1024.json`
`litchi_512`	timing hash_128	`records/hash-15/litchi_512__hash_128.json`
`litchi_512`	timing hash_16384	`records/hash-15/litchi_512__hash_16384.json`
`litchi_512`	timing hash_32	`records/hash-15/litchi_512__hash_32.json`
`litchi_512`	timing hash_4096	`records/hash-15/litchi_512__hash_4096.json`
`litchi_512`	timing hash_512	`records/hash-15/litchi_512__hash_512.json`
`litchi_512`	timing hash_65536	`records/hash-15/litchi_512__hash_65536.json`
`litchi_512`	timing hash_8192	`records/hash-15/litchi_512__hash_8192.json`
`litchi_768`	KAT log (sha256 `bfc1e3922bf23b1e…`)	`kat/hash-15/litchi_768.log`
`litchi_768`	timing hash_1024	`records/hash-15/litchi_768__hash_1024.json`
`litchi_768`	timing hash_128	`records/hash-15/litchi_768__hash_128.json`
`litchi_768`	timing hash_16384	`records/hash-15/litchi_768__hash_16384.json`
`litchi_768`	timing hash_32	`records/hash-15/litchi_768__hash_32.json`
`litchi_768`	timing hash_4096	`records/hash-15/litchi_768__hash_4096.json`
`litchi_768`	timing hash_512	`records/hash-15/litchi_768__hash_512.json`
`litchi_768`	timing hash_65536	`records/hash-15/litchi_768__hash_65536.json`
`litchi_768`	timing hash_8192	`records/hash-15/litchi_768__hash_8192.json`
`litchi_1024`	KAT log (sha256 `7318526a5770f9b9…`)	`kat/hash-15/litchi_1024.log`
`litchi_1024`	timing hash_1024	`records/hash-15/litchi_1024__hash_1024.json`
`litchi_1024`	timing hash_128	`records/hash-15/litchi_1024__hash_128.json`
`litchi_1024`	timing hash_16384	`records/hash-15/litchi_1024__hash_16384.json`
`litchi_1024`	timing hash_32	`records/hash-15/litchi_1024__hash_32.json`
`litchi_1024`	timing hash_4096	`records/hash-15/litchi_1024__hash_4096.json`
`litchi_1024`	timing hash_512	`records/hash-15/litchi_1024__hash_512.json`
`litchi_1024`	timing hash_65536	`records/hash-15/litchi_1024__hash_65536.json`
`litchi_1024`	timing hash_8192	`records/hash-15/litchi_1024__hash_8192.json`
`litchi_xof`	KAT log (sha256 `7e223b5a5121b980…`)	`kat/hash-15/litchi_xof.log`
`litchi_xof`	timing hash_1024	`records/hash-15/litchi_xof__hash_1024.json`
`litchi_xof`	timing hash_128	`records/hash-15/litchi_xof__hash_128.json`
`litchi_xof`	timing hash_16384	`records/hash-15/litchi_xof__hash_16384.json`
`litchi_xof`	timing hash_32	`records/hash-15/litchi_xof__hash_32.json`
`litchi_xof`	timing hash_4096	`records/hash-15/litchi_xof__hash_4096.json`
`litchi_xof`	timing hash_512	`records/hash-15/litchi_xof__hash_512.json`
`litchi_xof`	timing hash_65536	`records/hash-15/litchi_xof__hash_65536.json`
`litchi_xof`	timing hash_8192	`records/hash-15/litchi_xof__hash_8192.json`

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