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mime/quotedprintable: Go 2: Why takes so long to compile? (At least 8min+) #39912

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Dentrax opened this issue Jun 29, 2020 · 2 comments
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mime/quotedprintable: Go 2: Why takes so long to compile? (At least 8min+) #39912

Dentrax opened this issue Jun 29, 2020 · 2 comments
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@Dentrax
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Dentrax commented Jun 29, 2020 •
edited

What version of Go are you using (go version)?

$ go version
go version go1.13.8 darwin/amd64

What operating system and processor architecture are you using (go env)?

go env Output
$ go env

GO111MODULE=""

GOARCH="amd64"

GOBIN=""

GOCACHE="/Users/ft/Library/Caches/go-build"

GOENV="/Users/ft/Library/Application Support/go/env"

GOEXE=""

GOFLAGS=""

GOHOSTARCH="amd64"

GOHOSTOS="darwin"

GONOPROXY=""

GONOSUMDB=""

GOOS="darwin"

GOPATH="/Users/ft/go"

GOPRIVATE=""

GOPROXY="https://proxy.golang.org,direct"

GOROOT="/usr/local/Cellar/go/1.13.8/libexec"

GOSUMDB="off"

GOTMPDIR=""

GOTOOLDIR="/usr/local/Cellar/go/1.13.8/libexec/pkg/tool/darwin_amd64"

GCCGO="gccgo"

AR="ar"

CC="clang"

CXX="clang++"

CGO_ENABLED="0"

GOMOD="/Users/ft/go/src/goroot/src/go.mod"

CGO_CFLAGS="-g -O2"

CGO_CPPFLAGS=""

CGO_CXXFLAGS="-g -O2"

CGO_FFLAGS="-g -O2"

CGO_LDFLAGS="-g -O2"

PKG_CONFIG="pkg-config"

GOGCCFLAGS="-fPIC -m64 -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/nq/vxjjn3311fg4q263qsxrghpcpzgp66/T/go-build598399094=/tmp/go-build -gno-record-gcc-switches -fno-common"

What did you do?

Trying to compile Go 2 from dev.go2go branch as described in the installation guide.

time CGO_ENABLED=0 ./all.bash

Output: 852.37s user 738.07s system 244% cpu 10:51.15 total

Until the mime/quotedprintable package, the overall compiling speed is really fast. It takes almost a few minutes to get to this stage. But when compile step gets here, laptop's fans start working hard at least for 5 minutes. Then the fans stop immediately and start waiting for another 5 minutes, in order to compile next package.

P.S: With ./run.bash --no-rebuild, it still acts same way.

What did you expect to see?

I'm not so sure whether it was this way before. I'm trying to compile on MacBook Pro. (2.6GHz 6-core 9th i7, 16GB)

What did you see instead?

Is it normal for the compiler to behave this way?
@davecheney
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davecheney commented Jun 29, 2020 •
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Is it normal for the compiler to behave this way?

yes. you are running all the tests. If you want to just build the compiler use ./make.bash

@davecheney
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Unlike many projects, the Go project does not use GitHub Issues for general discussion or asking questions. GitHub Issues are used for tracking bugs and proposals only.

For asking questions, see:

@golang golang locked and limited conversation to collaborators Jun 29, 2021
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@davecheney @gopherbot @Dentrax