Open
Description
What version of Go are you using (go version)?
c:\Go386\go\bin>go version go version go1.14.6 windows/386
Does this issue reproduce with the latest release?
Yes
What operating system and processor architecture are you using (go env)?
go env Output
c:\Go386\go\bin>go env set GO111MODULE= set GOARCH=386 set GOBIN= set GOCACHE=C:\Users\rlaos\AppData\Local\go-build set GOENV=C:\Users\rlaos\AppData\Roaming\go\env set GOEXE=.exe set GOFLAGS= set GOHOSTARCH=386 set GOHOSTOS=windows set GOINSECURE= set GONOPROXY= set GONOSUMDB= set GOOS=windows set GOPATH=C:\Users\rlaos\go set GOPRIVATE= set GOPROXY=https://proxy.golang.org,direct set GOROOT=c:\Go386\go set GOSUMDB=sum.golang.org set GOTMPDIR= set GOTOOLDIR=c:\Go386\go\pkg\tool\windows_386 set GCCGO=gccgo set GO386=sse2 set AR=ar set CC=gcc set CXX=g++ set CGO_ENABLED=1 set GOMOD= set CGO_CFLAGS=-g -O2 set CGO_CPPFLAGS= set CGO_CXXFLAGS=-g -O2 set CGO_FFLAGS=-g -O2 set CGO_LDFLAGS=-g -O2 set PKG_CONFIG=pkg-config set GOGCCFLAGS=-m32 -mthreads -fmessage-length=0 -fdebug-prefix-map=C:\Users\rlaos\AppData\Local\Temp\go-build312903914=/tmp/go-build -gno-record-gcc-switches
What did you do?
Ran crypto/tls BenchmarkThroughput
What did you expect to see?
Benchmark results similar to other platforms
What did you see instead?
Slower than expected benchmarks
c:\Go386\go\bin>go test crypto/tls -bench BenchmarkThroughput goos: windows goarch: 386 pkg: crypto/tls BenchmarkThroughput/MaxPacket/1MB/TLSv12-8 12 85109717 ns/op 12.32 MB/s BenchmarkThroughput/MaxPacket/1MB/TLSv13-8 12 90715292 ns/op 11.56 MB/s BenchmarkThroughput/MaxPacket/2MB/TLSv12-8 6 182682667 ns/op 11.48 MB/s BenchmarkThroughput/MaxPacket/2MB/TLSv13-8 6 167867017 ns/op 12.49 MB/s BenchmarkThroughput/MaxPacket/4MB/TLSv12-8 3 350089833 ns/op 11.98 MB/s BenchmarkThroughput/MaxPacket/4MB/TLSv13-8 3 344346567 ns/op 12.18 MB/s BenchmarkThroughput/MaxPacket/8MB/TLSv12-8 2 752240000 ns/op 11.15 MB/s BenchmarkThroughput/MaxPacket/8MB/TLSv13-8 2 740517600 ns/op 11.33 MB/s BenchmarkThroughput/MaxPacket/16MB/TLSv12-8 1 1527828300 ns/op 10.98 MB/s BenchmarkThroughput/MaxPacket/16MB/TLSv13-8 1 1508538200 ns/op 11.12 MB/s BenchmarkThroughput/MaxPacket/32MB/TLSv12-8 1 2851125400 ns/op 11.77 MB/s BenchmarkThroughput/MaxPacket/32MB/TLSv13-8 1 2923947500 ns/op 11.48 MB/s BenchmarkThroughput/MaxPacket/64MB/TLSv12-8 1 5856113800 ns/op 11.46 MB/s BenchmarkThroughput/MaxPacket/64MB/TLSv13-8 1 5691605000 ns/op 11.79 MB/s BenchmarkThroughput/DynamicPacket/1MB/TLSv12-8 13 93452846 ns/op 11.22 MB/s BenchmarkThroughput/DynamicPacket/1MB/TLSv13-8 12 89222967 ns/op 11.75 MB/s BenchmarkThroughput/DynamicPacket/2MB/TLSv12-8 6 174278867 ns/op 12.03 MB/s BenchmarkThroughput/DynamicPacket/2MB/TLSv13-8 6 184205067 ns/op 11.38 MB/s BenchmarkThroughput/DynamicPacket/4MB/TLSv12-8 3 371415800 ns/op 11.29 MB/s BenchmarkThroughput/DynamicPacket/4MB/TLSv13-8 3 345000733 ns/op 12.16 MB/s BenchmarkThroughput/DynamicPacket/8MB/TLSv12-8 2 741865300 ns/op 11.31 MB/s BenchmarkThroughput/DynamicPacket/8MB/TLSv13-8 2 690233200 ns/op 12.15 MB/s BenchmarkThroughput/DynamicPacket/16MB/TLSv12-8 1 1449565400 ns/op 11.57 MB/s BenchmarkThroughput/DynamicPacket/16MB/TLSv13-8 1 1499601000 ns/op 11.19 MB/s BenchmarkThroughput/DynamicPacket/32MB/TLSv12-8 1 3050847000 ns/op 11.00 MB/s BenchmarkThroughput/DynamicPacket/32MB/TLSv13-8 1 2980453500 ns/op 11.26 MB/s BenchmarkThroughput/DynamicPacket/64MB/TLSv12-8 1 5588348900 ns/op 12.01 MB/s BenchmarkThroughput/DynamicPacket/64MB/TLSv13-8 1 5793084600 ns/op 11.58 MB/s PASS ok crypto/tls 69.500s