| OLD | NEW |
|---|
| 1 #!/bin/sh | 1 #!/bin/sh |
| 2 # Copyright 2011 The Go Authors. All rights reserved. | 2 # Copyright 2011 The Go Authors. All rights reserved. |
| 3 # Use of this source code is governed by a BSD-style | 3 # Use of this source code is governed by a BSD-style |
| 4 # license that can be found in the LICENSE file. | 4 # license that can be found in the LICENSE file. |
| 5 | 5 |
| 6 case "$1" in | 6 case "$1" in |
| 7 -*)····· | 7 -*)····· |
| 8 echo 'usage: benchcmp old.txt new.txt' >&2 | 8 echo 'usage: benchcmp old.txt new.txt' >&2 |
| 9 echo >&2 | 9 echo >&2 |
| 10 » echo 'Each input file should be gotest -bench output.' >&2 | 10 » echo 'Each input file should be go test -test.run=NONE -test.bench=. > [
old,new].txt' >&2 |
| 11 echo 'Benchcmp compares the first and last for each benchmark.' >&2 | 11 echo 'Benchcmp compares the first and last for each benchmark.' >&2 |
| 12 exit 2 | 12 exit 2 |
| 13 esac | 13 esac |
| 14 | 14 |
| 15 awk ' | 15 awk ' |
| 16 BEGIN { | 16 BEGIN { |
| 17 n = 0 | 17 n = 0 |
| 18 } | 18 } |
| 19 | 19 |
| 20 $1 ~ /Benchmark/ && $4 == "ns/op" { | 20 $1 ~ /Benchmark/ && $4 == "ns/op" { |
| (...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 57 continue | 57 continue |
| 58 if(anymb++ == 0) | 58 if(anymb++ == 0) |
| 59 printf("\n%-*s %12s %12s %7s\n", len, "benchmark", "old
MB/s", "new MB/s", "speedup") | 59 printf("\n%-*s %12s %12s %7s\n", len, "benchmark", "old
MB/s", "new MB/s", "speedup") |
| 60 printf("%-*s %12s %12s %6sx\n", len, what, | 60 printf("%-*s %12s %12s %6sx\n", len, what, |
| 61 sprintf("%.2f", oldmb[what]), | 61 sprintf("%.2f", oldmb[what]), |
| 62 sprintf("%.2f", newmb[what]), | 62 sprintf("%.2f", newmb[what]), |
| 63 sprintf("%.2f", newmb[what]/oldmb[what])) | 63 sprintf("%.2f", newmb[what]/oldmb[what])) |
| 64 } | 64 } |
| 65 } | 65 } |
| 66 ' "$@" | 66 ' "$@" |
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