Without seeing the code (hint, hint) I'm guessing that your benchmark got optimised away.
Here are some links with suggestions on how to make your benchmark reliable. http://dave.cheney.net/2013/06/30/how-to-write-benchmarks-in-go#compiler-optimisation http://talks.godoc.org/github.com/davecheney/presentations/writing-high-performance-go.slide#19 On Sunday, 19 June 2016 09:17:31 UTC+10, simon place wrote: > > any ideas? i've run out. > > this only happens with one program, and only in go1.7beta1(and 2). > > (i notice PASS is now at the end rather than the start. FWIW) > > see below > /* Hal3 Sat Jun 18 21:52:37 BST 2016 go version go1.7beta1 linux/amd64 > > BenchmarkPCM8bitEncode-2 2000000000 0.39 ns/op > BenchmarkPCM8bitDecode-2 2000000000 0.39 ns/op > BenchmarkPCM16bitEncode-2 2000000000 0.39 ns/op > BenchmarkPCM16bitDecode-2 2000000000 0.39 ns/op > BenchmarkPCM24bitEncode-2 2000000000 0.39 ns/op > BenchmarkPCM24bitDecode-2 2000000000 0.39 ns/op > BenchmarkPCM32bitEncode-2 2000000000 0.39 ns/op > BenchmarkPCM32bitDecode-2 2000000000 0.39 ns/op > PASS > ok _/home/simon/Dropbox/github/working/signals 6.570s > Sat Jun 18 21:52:49 BST 2016 */ > > /* Hal3 Sat Jun 18 22:07:30 BST 2016 go version go1.5.1 linux/amd64 > PASS > BenchmarkPCM8bitEncode-2 300000000 4.25 ns/op > BenchmarkPCM8bitDecode-2 300000000 5.58 ns/op > BenchmarkPCM16bitEncode-2 300000000 5.57 ns/op > BenchmarkPCM16bitDecode-2 200000000 8.33 ns/op > BenchmarkPCM24bitEncode-2 200000000 8.10 ns/op > BenchmarkPCM24bitDecode-2 100000000 12.3 ns/op > BenchmarkPCM32bitEncode-2 100000000 10.7 ns/op > BenchmarkPCM32bitDecode-2 100000000 16.2 ns/op > ok _/home/simon/Dropbox/github/working/signals 15.140s > Sat Jun 18 22:07:47 BST 2016 */ > /* Hal3 Sat Jun 18 23:35:10 BST 2016 go version go1.6.2 linux/amd64 > > PASS > BenchmarkPCM8bitEncode-2 300000000 4.25 ns/op > BenchmarkPCM8bitDecode-2 300000000 5.59 ns/op > BenchmarkPCM16bitEncode-2 300000000 5.56 ns/op > BenchmarkPCM16bitDecode-2 200000000 8.37 ns/op > BenchmarkPCM24bitEncode-2 200000000 8.12 ns/op > BenchmarkPCM24bitDecode-2 100000000 12.4 ns/op > BenchmarkPCM32bitEncode-2 100000000 10.7 ns/op > BenchmarkPCM32bitDecode-2 100000000 16.2 ns/op > ok _/home/simon/Dropbox/github/working/signals 15.145s > Sat Jun 18 23:35:27 BST 2016 */ > > -- 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.
