On Thu, Feb 15, 2018 at 10:59 AM, Ian Lance Taylor <i...@golang.org> wrote: > On Thu, Feb 15, 2018 at 6:42 AM, Tamir Duberstein <tam...@gmail.com> wrote: >> Built at this revision: >> https://github.com/gcc-mirror/gcc/commit/a82f431e184a9ac922ad43df73cdcc702ab0f279 > > Thanks. What do you see from > > go test -gccgoflags="-g -O2" > > ?
Sorry, make that go test -gccgoflags=all="-g -O2" Ian >> On Wed, Feb 14, 2018 at 7:44 PM, Ian Lance Taylor <i...@golang.org> wrote: >>> >>> On Wed, Feb 14, 2018 at 12:00 PM, Tamir Duberstein <tam...@gmail.com> >>> wrote: >>> > Running the benchmarks in github.com/cockroachdb/cockroach/pkg/roachpb: >>> > >>> >> PATH=$HOME/local/go1.10/bin:$PATH >>> >> go test -i ./pkg/roachpb && go test -run - -bench . ./pkg/roachpb >>> >> -count 5 >>> >> -benchmem > gc.txt >>> >> >>> >> PATH=$GCCROOT/gcc/bin:$PATH >>> >> go test -i ./pkg/roachpb && go test -run - -bench . ./pkg/roachpb >>> >> -count 5 >>> >> -benchmem > gccgo.txt >>> >> >>> >> benchstat gc.txt gccgo.txt >>> >> name old time/op new time/op delta >>> >> ValueSetBytes-16 38.7ns ± 1% 188.8ns ±44% +388.36% (p=0.008 >>> >> n=5+5) >>> >> ValueSetFloat-16 27.6ns ± 1% 112.4ns ± 4% +306.95% (p=0.008 >>> >> n=5+5) >>> >> ValueSetBool-16 29.5ns ± 0% 69.5ns ± 7% +135.59% (p=0.008 >>> >> n=5+5) >>> >> ValueSetInt-16 35.9ns ± 1% 89.0ns ± 5% +147.83% (p=0.008 >>> >> n=5+5) >>> >> ValueSetProto-16 45.5ns ± 0% 127.4ns ± 0% +180.00% (p=0.008 >>> >> n=5+5) >>> >> ValueSetTime-16 52.4ns ± 1% 136.4ns ± 0% +160.40% (p=0.008 >>> >> n=5+5) >>> >> ValueSetDecimal-16 95.5ns ± 1% 255.0ns ± 0% +166.96% (p=0.008 >>> >> n=5+5) >>> >> ValueSetTuple-16 38.7ns ± 1% 116.0ns ± 0% +200.05% (p=0.016 >>> >> n=5+4) >>> >> ValueGetBytes-16 9.22ns ± 0% 31.60ns ± 0% +242.66% (p=0.008 >>> >> n=5+5) >>> >> ValueGetFloat-16 12.0ns ± 0% 49.9ns ± 0% +315.83% (p=0.016 >>> >> n=4+5) >>> >> ValueGetBool-16 14.4ns ± 0% 39.3ns ± 0% +172.92% (p=0.029 >>> >> n=4+4) >>> >> ValueGetInt-16 13.7ns ± 0% 37.3ns ± 0% +172.12% (p=0.016 >>> >> n=4+5) >>> >> ValueGetProto-16 26.1ns ± 0% 60.5ns ± 0% +131.72% (p=0.016 >>> >> n=4+5) >>> >> ValueGetTime-16 39.6ns ± 0% 172.0ns ± 0% +334.34% (p=0.008 >>> >> n=5+5) >>> >> ValueGetDecimal-16 95.1ns ± 0% 264.0ns ± 0% +177.49% (p=0.008 >>> >> n=5+5) >>> >> ValueGetTuple-16 9.84ns ± 0% 31.50ns ± 0% +220.25% (p=0.008 >>> >> n=5+5) >>> >> name old alloc/op new alloc/op delta >>> >> ValueSetBytes-16 32.0B ± 0% 32.0B ± 0% ~ (all equal) >>> >> ValueSetFloat-16 16.0B ± 0% 16.0B ± 0% ~ (all equal) >>> >> ValueSetBool-16 8.00B ± 0% 8.00B ± 0% ~ (all equal) >>> >> ValueSetInt-16 16.0B ± 0% 16.0B ± 0% ~ (all equal) >>> >> ValueSetProto-16 8.00B ± 0% 8.00B ± 0% ~ (all equal) >>> >> ValueSetTime-16 16.0B ± 0% 16.0B ± 0% ~ (all equal) >>> >> ValueSetDecimal-16 32.0B ± 0% 32.0B ± 0% ~ (all equal) >>> >> ValueSetTuple-16 32.0B ± 0% 32.0B ± 0% ~ (all equal) >>> >> ValueGetBytes-16 0.00B 0.00B ~ (all equal) >>> >> ValueGetFloat-16 0.00B 0.00B ~ (all equal) >>> >> ValueGetBool-16 0.00B 0.00B ~ (all equal) >>> >> ValueGetInt-16 0.00B 0.00B ~ (all equal) >>> >> ValueGetProto-16 0.00B 0.00B ~ (all equal) >>> >> ValueGetTime-16 0.00B 0.00B ~ (all equal) >>> >> ValueGetDecimal-16 48.0B ± 0% 48.0B ± 0% ~ (all equal) >>> >> ValueGetTuple-16 0.00B 0.00B ~ (all equal) >>> >> name old allocs/op new allocs/op delta >>> >> ValueSetBytes-16 1.00 ± 0% 1.00 ± 0% ~ (all equal) >>> >> ValueSetFloat-16 1.00 ± 0% 1.00 ± 0% ~ (all equal) >>> >> ValueSetBool-16 1.00 ± 0% 1.00 ± 0% ~ (all equal) >>> >> ValueSetInt-16 1.00 ± 0% 1.00 ± 0% ~ (all equal) >>> >> ValueSetProto-16 1.00 ± 0% 1.00 ± 0% ~ (all equal) >>> >> ValueSetTime-16 1.00 ± 0% 1.00 ± 0% ~ (all equal) >>> >> ValueSetDecimal-16 1.00 ± 0% 1.00 ± 0% ~ (all equal) >>> >> ValueSetTuple-16 1.00 ± 0% 1.00 ± 0% ~ (all equal) >>> >> ValueGetBytes-16 0.00 0.00 ~ (all equal) >>> >> ValueGetFloat-16 0.00 0.00 ~ (all equal) >>> >> ValueGetBool-16 0.00 0.00 ~ (all equal) >>> >> ValueGetInt-16 0.00 0.00 ~ (all equal) >>> >> ValueGetProto-16 0.00 0.00 ~ (all equal) >>> >> ValueGetTime-16 0.00 0.00 ~ (all equal) >>> >> ValueGetDecimal-16 1.00 ± 0% 1.00 ± 0% ~ (all equal) >>> >> ValueGetTuple-16 0.00 0.00 ~ (all equal) >>> > >>> > >>> > I chose this package because it doesn't depend on any of the fancy >>> > Makefile >>> > magic in the CockroachDB repo; you should be able to reproduce these >>> > results >>> > using just the go tool. >>> > >>> > Are these results expected? I did minimal digging using pprof and perf >>> > but >>> > nothing obvious jumps out - things are just slower across the board. >>> > These >>> > results are on linux amd64. >>> >>> Which version of gccgo? >>> >>> Ian >> >> -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
