cyb/honeycrisp/.claude/plans/scoreboard.md

π 0.0% 382 words · 2 min

scoreboard: acpu vs Apple Accelerate

baseline: M1 Pro (8P+2E), 2026-04-03

elementwise f32 (4096 elements)

operation acpu apple ratio status
exp 2583ns 2333ns 0.90× LOSS
log 3084ns 3083ns 1.00× TIE
tanh 3625ns 3958ns 1.09× WIN
sigmoid 3125ns 3750ns 1.20× WIN
gelu 5375ns 6292ns 1.17× WIN
silu 3292ns 4041ns 1.23× WIN

reductions f32 (4096 elements)

operation acpu apple ratio status
sum 167ns 167ns 1.00× TIE
dot 292ns 292ns 1.00× TIE
length 375ns 792ns 2.11× WIN
max 166ns 166ns 1.00× TIE
min 166ns 166ns 1.00× TIE

compound

operation acpu apple ratio status
softmax 4096 3292ns 4208ns 1.28× WIN
normalize 4096 750ns 1834ns 2.45× WIN

sgemm (GFLOPS)

size acpu apple cblas ratio status
512×512 2123 2068 1.03× TIE
4096×4096 1473 1476 1.00× TIE

crypto (vs CommonCrypto/OpenSSL)

operation acpu reference ratio status
SHA-256 hardware CommonCrypto ~7× WIN
AES-128 hardware CommonCrypto ~1× TIE
PMULL hardware — 70×+ WIN

ZK (vs nebu pure Rust)

operation acpu nebu scalar ratio status
field mul asm scalar 1.1–2× WIN
field inv 75-mul chain 125-mul 1.7× WIN
Poseidon2 acpu path scalar 1.1–2× WIN

summary

  • losses: 1 (exp)
  • ties: 6 (log, sum, dot, max, min, sgemm×2 — at hardware ceiling)
  • wins: 12

how to update

cargo run --release -p acpu --example bench_summary

Graph