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tools: update tools/performance_compare.v to have more knowledge about v (#3157)

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* update tools/performance_compare.v to have more knowledge about v.

* Cleanup indentation.
This commit is contained in:
Delyan Angelov 2019-12-20 22:09:05 +02:00 committed by Alexander Medvednikov
parent b62e28dba5
commit 39899b07d9
1 changed files with 50 additions and 40 deletions
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48
tools/performance_compare.v
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@ -57,35 +57,33 @@ fn used_tools_must_exist(tools []string) {
fn (c Context) compare_versions() {
// Input is validated at this point...
//Cleanup artifacts from previous runs of this tool:
// Cleanup artifacts from previous runs of this tool:
os.chdir( c.workdir )
run('rm -rf "$c.a" "$c.b" "$c.vc" ')
// clone the VC source *just once per comparison*, and reuse it:
run('git clone --quiet \'$c.vc_repo_url\' \'$c.vc\' ')
println('Comparing v compiler performance of commit $c.commit_before (before) vs commit $c.commit_after (after) ...')
println('Comparing V performance of commit $c.commit_before (before) vs commit $c.commit_after (after) ...')
c.prepare_v( c.b , c.commit_before )
c.prepare_v( c.a , c.commit_after )
os.chdir( c.workdir )
c.compare_v_performance([
//The first is the baseline, against which all the others will be compared.
//It is the fastest, since hello_world.v has only a single println in it,
'vprod -debug -o source.c examples/hello_world.v',
c.compare_v_performance([
'vprod @DEBUG@ -o source.c examples/hello_world.v',
'vprod -o source.c examples/hello_world.v',
'vprod -debug -o source.c compiler',
'vprod -o source.c compiler',
'vprod @DEBUG@ -o source.c @COMPILER@',
'vprod -o source.c @COMPILER@',
'vprod -o hello examples/hello_world.v',
'vprod -o binary compiler',
'vprod -o binary @COMPILER@',
/////////////////////////////////////////////////////////
'v -debug -o source.c examples/hello_world.v',
'v @DEBUG@ -o source.c examples/hello_world.v',
'v -o source.c examples/hello_world.v',
'v -debug -o source.c compiler',
'v -o source.c compiler',
'v @DEBUG@ -o source.c @COMPILER@',
'v -o source.c @COMPILER@',
'v -o hello examples/hello_world.v',
'v -o binary compiler',
'v -o binary @COMPILER@',
])
}
@ -138,11 +136,12 @@ fn (c &Context) prepare_v( cdir string, commit string ) {
run('git clean -f')
c.prepare_vc_source( cdir, commit )
source_location := if os.exists('v.v') { 'v.v' } else { 'compiler/' }
println('Making v and vprod compilers in $cdir')
run(command_for_building_v_from_c_source)
run('./cv -o v compiler/ ')
run('./cv -prod -o vprod compiler/ ')
run('./cv -o v $source_location')
run('./cv -prod -o vprod $source_location')
run('cp cv cv_stripped')
run('cp v v_stripped')
@ -160,17 +159,28 @@ fn (c &Context) prepare_v( cdir string, commit string ) {
show_sizes_of_files(["$cdir/v", "$cdir/v_stripped", "$cdir/v_stripped_upxed"])
show_sizes_of_files(["$cdir/vprod", "$cdir/vprod_stripped", "$cdir/vprod_stripped_upxed"])
println("V version is: " + run("$cdir/v --version") + " , local source commit: " + run("git rev-parse --short --verify HEAD") )
println('Source lines in compiler/ ' + run('wc compiler/*.v | tail -n -1') )
println('Source lines of the compiler: ' + run('wc v.v compiler/*.v vlib/compiler/*.v | tail -n -1') )
}
fn (c Context) compare_v_performance( commands []string ) {
println('---------------------------------------------------------------------------------')
println('Compare v performance when doing the following commands:')
source_location_a := if os.exists('$c.a/v.v') { 'v.v' } else { 'compiler/' }
source_location_b := if os.exists('$c.b/v.v') { 'v.v' } else { 'compiler/' }
timestamp_a, _ := line_to_timestamp_and_commit(run('cd $c.a/ ; git rev-list -n1 --timestamp HEAD'))
timestamp_b, _ := line_to_timestamp_and_commit(run('cd $c.b/ ; git rev-list -n1 --timestamp HEAD'))
debug_option_a := if timestamp_a > 1570877641 { '-g' } else { '-debug' }
debug_option_b := if timestamp_b > 1570877641 { '-g' } else { '-debug' }
mut hyperfine_commands_arguments := []string
for cmd in commands { println(cmd) }
for cmd in commands { hyperfine_commands_arguments << ' \'cd ${c.b:30s} ; ./$cmd \' ' }
for cmd in commands { hyperfine_commands_arguments << ' \'cd ${c.a:30s} ; ./$cmd \' ' }
for cmd in commands {
hyperfine_commands_arguments << ' \'cd ${c.b:30s} ; ./$cmd \' '.replace_each(['@COMPILER@', source_location_b, '@DEBUG@', debug_option_b])
}
for cmd in commands {
hyperfine_commands_arguments << ' \'cd ${c.a:30s} ; ./$cmd \' '.replace_each(['@COMPILER@', source_location_a, '@DEBUG@', debug_option_a])
}
///////////////////////////////////////////////////////////////////////////////
cmd_stats_file := os.realpath([ c.workdir, 'v_performance_stats.json'].join(os.path_separator))
comparison_cmd := 'hyperfine $c.hyperfineopts '+