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

hash-15 Litchi — performance on AArch64 (system arm_1)

Independent measurement following the structure of the NICCS ARM 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: arm_1 method
Submission: NICCS page

2. Assessment environment

item	value
processor	Qualcomm Oryon (CPU 2, one core)
machine	ASUS Vivobook S 15
clock	fixed 2.71 GHz (governor performance, minimum = maximum), boost off, SMT none
memory	30562 MiB
OS / kernel	Ubuntu 26.04.1 LTS / 7.0.0-34-generic
compiler / build tool	gcc (Ubuntu 15.2.0-16ubuntu1) 15.2.0 / cmake version 4.2.3
campaign start / end (UTC)	2026-09-28T15:05:46 / 2026-09-29T08:43:52

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	3061	95.7	1.14 µs	28.1	100000 (5 × 20000)
`litchi_512`	128 B	6084	47.5	2.26 µs	56.6	100000 (5 × 20000)
`litchi_512`	512 B	15.4 k	30.0	5.71 µs	89.7	100000 (5 × 20000)
`litchi_512`	1024 B	27.3 k	26.7	10.1 µs	100.9	100000 (5 × 20000)
`litchi_512`	4096 B	100.1 k	24.4	37.1 µs	110.3	82195 (5 × 16439)
`litchi_512`	8192 B	196.9 k	24.0	73.1 µs	112.1	42330 (5 × 8466)
`litchi_512`	16384 B	400.6 k	24.4	149 µs	110.2	21980 (5 × 4396)
`litchi_512`	65536 B	1.55 M	23.7	576 µs	113.8	5450 (5 × 1090)
`litchi_768`	32 B	3067	95.9	1.14 µs	28.1	100000 (5 × 20000)
`litchi_768`	128 B	6078	47.5	2.26 µs	56.7	100000 (5 × 20000)
`litchi_768`	512 B	18.2 k	35.5	6.74 µs	75.9	100000 (5 × 20000)
`litchi_768`	1024 B	33.3 k	32.5	12.4 µs	82.9	100000 (5 × 20000)
`litchi_768`	4096 B	129.7 k	31.7	48.1 µs	85.1	64780 (5 × 12956)
`litchi_768`	8192 B	259.1 k	31.6	96.1 µs	85.2	32415 (5 × 6483)
`litchi_768`	16384 B	515.4 k	31.5	191 µs	85.7	8535 (5 × 1707)
`litchi_768`	65536 B	2.06 M	31.5	765 µs	85.7	4210 (5 × 842)
`litchi_1024`	32 B	3042	95.1	1.13 µs	28.3	100000 (5 × 20000)
`litchi_1024`	128 B	8959	70.0	3.33 µs	38.5	100000 (5 × 20000)
`litchi_1024`	512 B	27.0 k	52.7	10 µs	51.1	100000 (5 × 20000)
`litchi_1024`	1024 B	50.5 k	49.3	18.7 µs	54.6	100000 (5 × 20000)
`litchi_1024`	4096 B	194.6 k	47.5	72.2 µs	56.7	43600 (5 × 8720)
`litchi_1024`	8192 B	381.9 k	46.6	142 µs	57.8	22320 (5 × 4464)
`litchi_1024`	16384 B	777.2 k	47.4	288 µs	56.8	11115 (5 × 2223)
`litchi_1024`	65536 B	3.06 M	46.6	1.13 ms	57.8	2815 (5 × 563)
`litchi_xof`	32 B	3054	95.5	1.14 µs	28.2	100000 (5 × 20000)
`litchi_xof`	128 B	6029	47.1	2.24 µs	57.2	100000 (5 × 20000)
`litchi_xof`	512 B	24.2 k	47.3	8.99 µs	57.0	100000 (5 × 20000)
`litchi_xof`	1024 B	45.2 k	44.2	16.8 µs	61.0	100000 (5 × 20000)
`litchi_xof`	4096 B	172.4 k	42.1	64 µs	64.0	48585 (5 × 9717)
`litchi_xof`	8192 B	341.4 k	41.7	127 µs	64.7	25080 (5 × 5016)
`litchi_xof`	16384 B	689.8 k	42.1	256 µs	64.0	12680 (5 × 2536)
`litchi_xof`	65536 B	2.75 M	42.0	1.02 ms	64.2	2685 (5 × 537)

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	16648	1404 KiB	1468 KiB
`litchi_512`	hash_128	16648	1404 KiB	1468 KiB
`litchi_512`	hash_512	16648	1404 KiB	1468 KiB
`litchi_512`	hash_1024	16648	1408 KiB	1472 KiB
`litchi_512`	hash_4096	16648	1408 KiB	1472 KiB
`litchi_512`	hash_8192	16648	1412 KiB	1476 KiB
`litchi_512`	hash_16384	16648	1420 KiB	1484 KiB
`litchi_512`	hash_65536	16648	1468 KiB	1532 KiB
`litchi_768`	hash_32	15580	1400 KiB	1464 KiB
`litchi_768`	hash_128	15580	1404 KiB	1468 KiB
`litchi_768`	hash_512	15580	1404 KiB	1468 KiB
`litchi_768`	hash_1024	15580	1408 KiB	1472 KiB
`litchi_768`	hash_4096	15580	1408 KiB	1472 KiB
`litchi_768`	hash_8192	15580	1412 KiB	1476 KiB
`litchi_768`	hash_16384	15580	1420 KiB	1484 KiB
`litchi_768`	hash_65536	15580	1468 KiB	1532 KiB
`litchi_1024`	hash_32	16152	1404 KiB	1468 KiB
`litchi_1024`	hash_128	16152	1400 KiB	1464 KiB
`litchi_1024`	hash_512	16152	3440 KiB	3504 KiB
`litchi_1024`	hash_1024	16152	1404 KiB	1468 KiB
`litchi_1024`	hash_4096	16152	1408 KiB	1472 KiB
`litchi_1024`	hash_8192	16152	1412 KiB	1476 KiB
`litchi_1024`	hash_16384	16152	1420 KiB	1484 KiB
`litchi_1024`	hash_65536	16152	1468 KiB	1532 KiB
`litchi_xof`	hash_32	13116	1400 KiB	1464 KiB
`litchi_xof`	hash_128	13116	1400 KiB	1464 KiB
`litchi_xof`	hash_512	13116	1396 KiB	1460 KiB
`litchi_xof`	hash_1024	13116	1404 KiB	1468 KiB
`litchi_xof`	hash_4096	13116	1404 KiB	1468 KiB
`litchi_xof`	hash_8192	13116	1408 KiB	1472 KiB
`litchi_xof`	hash_16384	13116	3448 KiB	3512 KiB
`litchi_xof`	hash_65536	13116	1464 KiB	1528 KiB

7. Raw evidence index

Paths are relative to performance/data/arm_1/ in the harness; each JSON file records its commands, environment and trials.

instance	item	file
`litchi_512`	KAT log (sha256 `c5bd8caeb1f991d0…`)	`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 `3cc212c30f16bbcd…`)	`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 `28667c9a4b2ca22d…`)	`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 `2747759c349e881a…`)	`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.