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tools: improve the diagnostic output of compare_pr_to_master.v

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Delyan Angelov 2024-11-07 19:19:45 +02:00
parent 3278614abb
commit f3b1674ed9
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GPG Key ID: 66886C0F12D595ED
1 changed files with 80 additions and 34 deletions
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114
.github/workflows/compare_pr_to_master.v vendored
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@ -31,67 +31,113 @@ fn xtime(cmd string) {
}
}
fn show_size(fpath string) {
println('>Size of ${fpath:20s}: ${os.file_size(fpath):10}')
}
fn compare_size(fpath1 string, fpath2 string) {
size1 := os.file_size(fpath1)
size2 := os.file_size(fpath2)
diff_ := size2 - size1
println('>>>>>> size("${fpath2:15}") - size("${fpath1:15}") = ${size2:10} - ${size1:10} = ${diff_:10}')
}
fn vcompare(vold string, vnew string) {
println('>Size of ${vold}: ${os.file_size(vold)}')
println('>Size of ${vnew}: ${os.file_size(vnew)}')
r("v repeat --nmaxs 7 -R 3 '${vold} -check-syntax examples/hello_world.v' '${vnew} -check-syntax examples/hello_world.v'")
r("v repeat --nmaxs 7 -R 3 '${vold} -check examples/hello_world.v' '${vnew} -check examples/hello_world.v'")
r("v repeat --nmaxs 7 -R 3 '${vold} -no-parallel -o ohw.c examples/hello_world.v' '${vnew} -no-parallel -o nhw.c examples/hello_world.v'")
compare_size('ohw.c', 'nhw.c')
r("v repeat --nmaxs 7 -R 3 '${vold} -no-parallel -o ohw.exe examples/hello_world.v' '${vnew} -no-parallel -o nhw.exe examples/hello_world.v'")
compare_size('ohw.exe', 'nhw.exe')
r("v repeat --nmaxs 7 -R 3 '${vold} -check-syntax examples/hello_world.v' '${vnew} -check-syntax examples/hello_world.v'")
r("v repeat --nmaxs 7 -R 3 '${vold} -check examples/hello_world.v' '${vnew} -check examples/hello_world.v'")
r("v repeat --nmaxs 7 -R 3 '${vold} -o ohw.c examples/hello_world.v' '${vnew} -o nhw.c examples/hello_world.v'")
println('>Size of ohw.c: ${os.file_size('ohw.c')}')
println('>Size of nhw.c: ${os.file_size('nhw.c')}')
r("v repeat --nmaxs 7 -R 3 '${vold} -o ohw.exe examples/hello_world.v' '${vnew} -o nhw.exe examples/hello_world.v'")
println('>Size of ohw.exe: ${os.file_size('ohw.exe')}')
println('>Size of nhw.exe: ${os.file_size('nhw.exe')}')
r("v repeat --nmaxs 7 -R 3 '${vold} -check-syntax cmd/v' '${vnew} -check-syntax cmd/v'")
r("v repeat --nmaxs 7 -R 3 '${vold} -check cmd/v' '${vnew} -check cmd/v'")
r("v repeat --nmaxs 7 -R 3 '${vold} -no-parallel -o ov.c cmd/v' '${vnew} -no-parallel -o nv.c cmd/v'")
compare_size('ov.c', 'nv.c')
r("v repeat --nmaxs 7 -R 3 '${vold} -no-parallel -o ov.exe cmd/v' '${vnew} -no-parallel -o nv.exe cmd/v'")
compare_size('ov.exe', 'nv.exe')
}
r("v repeat --nmaxs 7 -R 3 '${vold} -check-syntax cmd/v' '${vnew} -check-syntax cmd/v'")
r("v repeat --nmaxs 7 -R 3 '${vold} -check cmd/v' '${vnew} -check cmd/v'")
r("v repeat --nmaxs 7 -R 3 '${vold} -o ov.c cmd/v' '${vnew} -o nv.c cmd/v'")
println('>Size of ov.c: ${os.file_size('ov.c')}')
println('>Size of nv.c: ${os.file_size('nv.c')}')
r("v repeat --nmaxs 7 -R 3 '${vold} -o ov.exe cmd/v' '${vnew} -o nv.exe cmd/v'")
println('>Size of ov.exe: ${os.file_size('ov.exe')}')
println('>Size of nv.exe: ${os.file_size('nv.exe')}')
// After all the measurements are done, delete all the generated temporary files,
// except the `vold` and `vnew` compilers, so that they can be used later in manual
// experiments:
r('rm -rf ohw* nhw* nv* ov*')
fn hline(header_message string) {
println('='.repeat(98))
println(header_message)
}
fn main() {
start := time.now()
// The starting point, when this program should be started, is just after `gh pr checkout NUMBER`.
start := time.now()
pr_branch := gbranch()
println('Current git branch: ${pr_branch}, commit: ${gcommit()}')
hline('Current git branch: ${pr_branch}, commit: ${gcommit()}')
println(' Compiling new V executables from PR branch: ${pr_branch}, commit: ${gcommit()} ...')
// *not* using v self here is deliberate, so that the `v` executable itself, is not changed after running this script
xtime('./v -o vnew1 cmd/v')
xtime('./vnew1 -o vnew2 cmd/v')
xtime('./vnew2 -o vnew cmd/v')
r('rm -rf vnew1 vnew2')
xtime('./vnew2 -no-parallel -o vnew cmd/v')
xtime('./vnew -no-parallel -o nhw_current.c examples/hello_world.v')
xtime('./vnew -no-parallel -o nv_current.c cmd/v')
if compare_prod {
xtime('./vnew -prod -o vnew_prod cmd/v')
xtime('./vnew -no-parallel -prod -o vnew_prod cmd/v')
}
show_size('nhw_current.c')
show_size('nv_current.c')
show_size('vnew')
if compare_prod {
show_size('vnew_prod')
}
r('rm -rf vnew1 vnew2')
r('git checkout master')
master_branch := gbranch()
println(' Compiling old V executables from branch: ${master_branch}, commit: ${gcommit()} ...')
hline(' Compiling old V executables from branch: ${master_branch}, commit: ${gcommit()} ...')
xtime('./v -o vold1 cmd/v')
xtime('./vold1 -o vold2 cmd/v')
xtime('./vold2 -o vold cmd/v')
r('rm -rf vold1 vold2')
xtime('./vold2 -no-parallel -o vold cmd/v')
xtime('./vnew -no-parallel -o ohw_master.c examples/hello_world.v')
xtime('./vold -no-parallel -o ov_master.c cmd/v')
if compare_prod {
xtime('./vold -prod -o vold_prod cmd/v')
xtime('./vold -no-parallel -prod -o vold_prod cmd/v')
show_size('vold_prod')
}
show_size('ohw_master.c')
show_size('ov_master.c')
show_size('vold')
if compare_prod {
show_size('vold_prod')
}
r('rm -rf vold1 vold2')
r('git checkout ${pr_branch}') // we are on the PR branch again
hline('File sizes so far ...')
compare_size('ohw_master.c', 'nhw_current.c')
compare_size('ov_master.c', 'nv_current.c')
compare_size('vold', 'vnew')
println(' Measuring at PR branch: ${pr_branch}, commit: ${gcommit()} ...')
r('git checkout ${pr_branch}')
// we are on the PR branch again
hline(' Measuring at PR branch: ${pr_branch}, commit: ${gcommit()} ...')
if compare_prod {
vcompare('./vold_prod', './vnew_prod')
} else {
vcompare('./vold', './vnew')
}
println('Done. Total time: ${(time.now() - start).seconds()} s.')
hline('Final summary for file diff sizes on their own branches:')
compare_size('ohw_master.c', 'nhw_current.c')
compare_size('ov_master.c', 'nv_current.c')
compare_size('vold', 'vnew')
if compare_prod {
compare_size('vold_prod', 'vnew_prod')
}
hline('Final summary for file diff sizes for generated files on the *current* branch:')
compare_size('ohw.c', 'nhw.c')
compare_size('ov.c', 'nv.c')
compare_size('ohw.exe', 'nhw.exe')
compare_size('ov.exe', 'nv.exe')
// After all the measurements are done, delete all the generated temporary files,
// except the `vold` and `vnew` compilers, so that they can be used later in manual
// experiments:
r('rm -rf ohw* nhw* nv* ov*')
}