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author | Josh Bleecher Snyder <josharian@gmail.com> | 2014-02-04 11:53:13 -0800 |
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committer | Josh Bleecher Snyder <josharian@gmail.com> | 2014-02-04 11:53:13 -0800 |
commit | 8180f4c3458eebbcbc37ee4f88dbf2911a290a91 (patch) | |
tree | 2164d75e046faa0225230bab5fc9011c2c4fa301 /misc | |
parent | 4fa57e2d0e9b70a267a1f44ba0bf80233d330eb8 (diff) | |
download | go-8180f4c3458eebbcbc37ee4f88dbf2911a290a91.tar.gz |
cmd/go, doc/go1.3.txt: misc/benchcmp has been replaced by go tool benchcmp
Fixes issue 7016.
LGTM=r
R=r
CC=adg, bradfitz, dave, golang-codereviews
https://codereview.appspot.com/60100043
Committer: Rob Pike <r@golang.org>
Diffstat (limited to 'misc')
-rwxr-xr-x | misc/benchcmp | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/misc/benchcmp b/misc/benchcmp deleted file mode 100755 index 3180f57ea..000000000 --- a/misc/benchcmp +++ /dev/null @@ -1,124 +0,0 @@ -#!/bin/sh -# Copyright 2011 The Go Authors. All rights reserved. -# Use of this source code is governed by a BSD-style -# license that can be found in the LICENSE file. - -case "$1" in --*) - echo 'usage: benchcmp old.txt new.txt' >&2 - echo >&2 - echo 'Each input file should be from:' >&2 - echo ' go test -test.run=NONE -test.bench=. > [old,new].txt' >&2 - echo >&2 - echo 'Benchcmp compares the first and last for each benchmark.' >&2 - echo >&2 - echo 'If -test.benchmem=true is added to the "go test" command' >&2 - echo 'benchcmp will also compare memory allocations.' >&2 - exit 2 -esac - -awk ' -BEGIN { - n = 0 -} - -$1 ~ /Benchmark/ && $4 == "ns/op" { - if(old[$1]) { - if(!saw[$1]++) { - name[n++] = $1 - if(length($1) > len) - len = length($1) - } - new[$1] = $3 - if($6 == "MB/s") - newmb[$1] = $5 - - # allocs/op might be at $8 or $10 depending on if - # SetBytes was used or not. - # B/op might be at $6 or $8, it should be immediately - # followed by allocs/op - if($8 == "allocs/op") { - newbytes[$1] = $5 - newalloc[$1] = $7 - } - if($10 == "allocs/op") { - newbytes[$1] = $7 - newalloc[$1] = $9 - } - } else { - old[$1] = $3 - if($6 == "MB/s") - oldmb[$1] = $5 - if($8 == "allocs/op") { - oldbytes[$1] = $5 - oldalloc[$1] = $7 - } - if($10 == "allocs/op") { - oldbytes[$1] = $7 - oldalloc[$1] = $9 - } - } -} - -END { - if(n == 0) { - print "benchcmp: no repeated benchmarks" >"/dev/stderr" - exit 1 - } - - printf("%-*s %12s %12s %7s\n", len, "benchmark", "old ns/op", "new ns/op", "delta") - - # print ns/op - for(i=0; i<n; i++) { - what = name[i] - printf("%-*s %12d %12d %6s%%\n", len, what, old[what], new[what], - sprintf("%+.2f", 100*new[what]/old[what]-100)) - } - - # print mb/s - anymb = 0 - for(i=0; i<n; i++) { - what = name[i] - if(!(what in newmb)) - continue - if(anymb++ == 0) - printf("\n%-*s %12s %12s %7s\n", len, "benchmark", "old MB/s", "new MB/s", "speedup") - printf("%-*s %12s %12s %6sx\n", len, what, - sprintf("%.2f", oldmb[what]), - sprintf("%.2f", newmb[what]), - sprintf("%.2f", newmb[what]/oldmb[what])) - } - - # print allocs - anyalloc = 0 - for(i=0; i<n; i++) { - what = name[i] - if(!(what in newalloc)) - continue - if(anyalloc++ == 0) - printf("\n%-*s %12s %12s %7s\n", len, "benchmark", "old allocs", "new allocs", "delta") - if(oldalloc[what] == 0) - delta="n/a" - else - delta=sprintf("%.2f", 100*newalloc[what]/oldalloc[what]-100) - printf("%-*s %12d %12d %6s%%\n", len, what, - oldalloc[what], newalloc[what], delta) - } - - # print alloc bytes - anybytes = 0 - for(i=0; i<n; i++) { - what = name[i] - if(!(what in newbytes)) - continue - if(anybytes++ == 0) - printf("\n%-*s %12s %12s %7s\n", len, "benchmark", "old bytes", "new bytes", "delta") - if(oldbytes[what] == 0) - delta="n/a" - else - delta=sprintf("%.2f", 100*newbytes[what]/oldbytes[what]-100) - printf("%-*s %12d %12d %6s%%\n", len, what, - oldbytes[what], newbytes[what], delta) - } -} -' "$@" |