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Cypherpunks repositories - gostls13.git/commit
bytes: make IndexRune faster
re-implement IndexRune by IndexByte and Index which are well optimized
to get performance gain.
name old time/op new time/op delta
IndexRune/10-4 53.2ns ± 1% 29.1ns ± 1% -45.32% (p=0.008 n=5+5)
IndexRune/32-4 191ns ± 1% 27ns ± 1% -85.75% (p=0.008 n=5+5)
IndexRune/4K-4 23.5µs ± 1% 1.0µs ± 1% -95.77% (p=0.008 n=5+5)
IndexRune/4M-4 23.8ms ± 0% 1.0ms ± 2% -95.90% (p=0.008 n=5+5)
IndexRune/64M-4 384ms ± 1% 15ms ± 1% -95.98% (p=0.008 n=5+5)
IndexRuneASCII/10-4 61.5ns ± 0% 10.3ns ± 4% -83.17% (p=0.008 n=5+5)
IndexRuneASCII/32-4 203ns ± 0% 11ns ± 5% -94.68% (p=0.008 n=5+5)
IndexRuneASCII/4K-4 23.4µs ± 0% 0.3µs ± 2% -98.60% (p=0.008 n=5+5)
IndexRuneASCII/4M-4 24.0ms ± 1% 0.3ms ± 1% -98.60% (p=0.008 n=5+5)
IndexRuneASCII/64M-4 386ms ± 2% 6ms ± 1% -98.57% (p=0.008 n=5+5)
name old speed new speed delta
IndexRune/10-4 188MB/s ± 1% 344MB/s ± 1% +82.91% (p=0.008 n=5+5)
IndexRune/32-4 167MB/s ± 0% 1175MB/s ± 1% +603.52% (p=0.008 n=5+5)
IndexRune/4K-4 174MB/s ± 1% 4117MB/s ± 1% +2262.71% (p=0.008 n=5+5)
IndexRune/4M-4 176MB/s ± 0% 4299MB/s ± 2% +2340.46% (p=0.008 n=5+5)
IndexRune/64M-4 175MB/s ± 1% 4354MB/s ± 1% +2388.57% (p=0.008 n=5+5)
IndexRuneASCII/10-4 163MB/s ± 0% 968MB/s ± 4% +494.66% (p=0.008 n=5+5)
IndexRuneASCII/32-4 157MB/s ± 0% 2974MB/s ± 4% +1788.59% (p=0.008 n=5+5)
IndexRuneASCII/4K-4 175MB/s ± 0% 12481MB/s ± 2% +7027.71% (p=0.008 n=5+5)
IndexRuneASCII/4M-4 175MB/s ± 1% 12510MB/s ± 1% +7061.15% (p=0.008 n=5+5)
IndexRuneASCII/64M-4 174MB/s ± 2% 12143MB/s ± 1% +6881.70% (p=0.008 n=5+5)
Change-Id: I0632eadb83937c2a9daa7f0ce79df1dee64f992e
Reviewed-on: https://go-review.googlesource.com/28537
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>