fumiama/go-base16384
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fix: encoder/decoder

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源文雨
2025-10-27 22:26:01 +08:00
parent d548cdd86f
commit 2840c604c1
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@@ -82,4 +82,54 @@ func main() {
panic("fail!")
}
}
```
```
# Performace Analysis
The performance is optimized by replacing generic encode/decode functions with assembly code.
## Encode Speedup by ASM
```
goos: darwin
goarch: arm64
pkg: github.com/fumiama/go-base16384
cpu: Apple M4 Max
│ old.txt │ new.txt │
│ sec/op │ sec/op vs base │
EncodeTo/16-16 5.340n ± 1% 5.664n ± 0% +6.08% (p=0.002 n=6)
EncodeTo/256-16 39.04n ± 1% 34.20n ± 1% -12.37% (p=0.002 n=6)
EncodeTo/4K-16 537.4n ± 1% 425.6n ± 0% -20.80% (p=0.002 n=6)
EncodeTo/32K-16 4.228µ ± 1% 3.361µ ± 1% -20.51% (p=0.002 n=6)
geomean 147.5n 129.0n -12.54%
│ old.txt │ new.txt │
│ B/s │ B/s vs base │
EncodeTo/16-16 2.791Gi ± 1% 2.631Gi ± 0% -5.73% (p=0.002 n=6)
EncodeTo/256-16 6.108Gi ± 1% 6.970Gi ± 1% +14.12% (p=0.002 n=6)
EncodeTo/4K-16 7.098Gi ± 1% 8.963Gi ± 0% +26.27% (p=0.002 n=6)
EncodeTo/32K-16 7.218Gi ± 1% 9.079Gi ± 1% +25.79% (p=0.002 n=6)
geomean 5.436Gi 6.215Gi +14.33%
```
## Decode Speedup by ASM
```
goos: darwin
goarch: arm64
pkg: github.com/fumiama/go-base16384
cpu: Apple M4 Max
│ old.txt │ new.txt │
│ sec/op │ sec/op vs base │
DecodeTo/16-16 5.302n ± 5% 3.525n ± 0% -33.52% (p=0.002 n=6)
DecodeTo/256-16 46.04n ± 1% 29.91n ± 1% -35.05% (p=0.002 n=6)
DecodeTo/4K-16 585.6n ± 1% 405.8n ± 0% -30.70% (p=0.002 n=6)
DecodeTo/32K-16 4.567µ ± 0% 3.197µ ± 0% -30.00% (p=0.002 n=6)
geomean 159.8n 108.1n -32.35%
│ old.txt │ new.txt │
│ B/s │ B/s vs base │
DecodeTo/16-16 3.864Gi ± 5% 5.812Gi ± 1% +50.40% (p=0.002 n=6)
DecodeTo/256-16 5.987Gi ± 1% 9.219Gi ± 1% +53.99% (p=0.002 n=6)
DecodeTo/4K-16 7.450Gi ± 1% 10.749Gi ± 0% +44.29% (p=0.002 n=6)
DecodeTo/32K-16 7.638Gi ± 0% 10.911Gi ± 0% +42.84% (p=0.002 n=6)
geomean 6.024Gi 8.903Gi +47.81%
```