I can confirm that the behavior only happens on Mac, tried the same on Linux and the output contained each symbol only once.
https://github.com/golang/go/issues/20976 On Monday, July 10, 2017 at 3:21:23 PM UTC-7, Francesc Campoy Flores wrote: > > Even using tip I get the same behavior, I attached the output of running > the following command with tip > > go test -bench=Div -gcflags "-S" 2>& out.s > > goos: darwin > > goarch: amd64 > > pkg: > github.com/campoy/go-tooling-workshop/3-dynamic-analysis/3-profiling/jic > > BenchmarkDiv-8 500000000 3.79 ns/op > > PASS > > ok > github.com/campoy/go-tooling-workshop/3-dynamic-analysis/3-profiling/jic > 2.301s > > On Monday, July 10, 2017 at 3:04:51 PM UTC-7, Francesc Campoy Flores wrote: >> >> Hi, >> >> I'm writing on compiler optimization and benchmarks, and one of the >> things I do is `go test -bench=. -gcflags "-S"` >> >> This outputs the generated assembly, which allows me to point out when a >> function call has ben inlined, or simply removed. >> >> The problem is that for this piece of code >> https://play.golang.org/p/dGdRN_wd1i, I get two definitions for >> BenchmarkDiv (see attached file), one that has a DIVSD instruction, the >> other that doesnt. >> >> What does this mean? >> >> Francesc >> > -- 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.