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0a5057a64d
git-subtree-dir: pkg/persistent git-subtree-mainline:543b123661git-subtree-split:8ed0fbdb11
34 lines
1.0 KiB
Plaintext
Executable File
34 lines
1.0 KiB
Plaintext
Executable File
#!/usr/bin/env elvish
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# Parse an output of "go test -bench .", annotating benchmark results for
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# persistent operations with the slowdown ratio compared to their native
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# counterparts.
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use re
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fn extract [line]{
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# Extract the name and ns/op of a benchmark entry.
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fields = [(re:split '\s+' $line)]
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if (not (eq $fields[-1] ns/op)) {
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fail 'Last column of '(repr $line)' not ns/op'
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}
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put $fields[0] $fields[-2]
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}
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native = [&]
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each [line]{
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if (re:match Native $line) {
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# Remember the result so that it can be used later.
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name data = (extract $line)
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native[$name] = $data
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} elif (re:match Persistent $line) {
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# Calculate slowdown and append to the end of the line.
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name data = (extract $line)
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native-name = (re:replace Persistent Native $name)
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if (not (has-key $native $native-name)) {
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fail 'Native counterpart for '$name' not found'
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}
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line = $line' '(printf '%.2f' (/ $data $native[$native-name]))'x'
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}
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echo $line
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}
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