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'go env' is used for many quick operations, such as in go/packages to query GOARCH and GOMOD. It often is a bottleneck; for example, go/packages doesn't know whether or not to use Go modules until it has queried GOMOD. As such, this go command should be fast. Right now it's slower than it should be. This commit adds a simple benchmark with os/exec, since we're particularly interested in the cost of cmd/go's large init function. Updates #29382. Change-Id: Ifee6fb9997b9b89565fbfc2739a00c86117b1d37 Reviewed-on: https://go-review.googlesource.com/c/155961 Run-TryBot: Daniel Martí <mvdan@mvdan.cc> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Bryan C. Mills <bcmills@google.com> |
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The Go Programming Language
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