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tools: implement a -repeats/-R N option to v repeat, to eliminate another need for platform dependent scripting

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Delyan Angelov 2024-09-02 20:38:15 +03:00
parent 8f957092cb
commit da228e93df
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GPG key ID: 66886C0F12D595ED
1 changed files with 21 additions and 7 deletions
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28
cmd/tools/vrepeat.v
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@ -50,6 +50,8 @@ mut:
struct Context {
mut:
run_count int
repeats_count int
current_run int
series int
warmup int
show_help bool
@ -309,7 +311,7 @@ fn (mut context Context) show_diff_summary() {
gcmd := c(tgreen, context.results[0].cmd)
context.show_summary_title('${context.results[0].atiming}, ${context.series} series, ${context.run_count} runs for ${gcmd:-57s}')
} else {
context.show_summary_title('Summary after ${context.series} series x ${context.run_count} runs (%s are relative to first command, or `base`).')
context.show_summary_title('Summary after ${context.series} series x ${context.run_count} runs (%s are relative to first command, or `base`)')
for i, r in context.results {
first_marker = ' '
cpercent := (r.atiming.average / base) * 100 - 100
@ -360,6 +362,9 @@ fn (mut context Context) show_summary_title(line string) {
if context.nmaxs > 0 {
msg << 'discard maxs: ${context.nmaxs:2}'
}
if context.current_run > 0 {
msg << 'repeat: ${context.current_run:2}'
}
println(msg.join(', '))
}
@ -373,6 +378,7 @@ fn (mut context Context) parse_options() ! {
fp.limit_free_args_to_at_least(1)!
context.show_help = fp.bool('help', `h`, false, 'Show this help screen.')
context.run_count = fp.int('runs', `r`, 10, 'Run count. Default: 10')
context.repeats_count = fp.int('repeats', `R`, 1, 'Repeats count (it repeats everything, including reporting). Default: 1')
context.warmup = fp.int('warmup', `w`, 2, 'Warmup run count. These are done *at the start* of each series, and the timings are ignored. Default: 2')
context.series = fp.int('series', `s`, 1, 'Series count. `-s 2 -r 4 a b` => aaaabbbbaaaabbbb, while `-s 3 -r 2 a b` => aabbaabbaabb. Default: 1')
context.ignore_failed = fp.bool('ignore', `e`, false, 'Ignore failed commands (returning a non 0 exit code).')
@ -400,10 +406,7 @@ fn (mut context Context) parse_options() ! {
exit(1)
}
context.commands = context.expand_all_commands(commands)
context.results = []CmdResult{len: context.commands.len, cap: 20, init: CmdResult{
outputs: []string{cap: 500}
timings: []i64{cap: 500}
}}
context.reset_results()
if context.use_newline {
context.cline = '\n'
context.cgoback = '\n'
@ -413,12 +416,23 @@ fn (mut context Context) parse_options() ! {
}
}
fn (mut context Context) reset_results() {
context.results = []CmdResult{len: context.commands.len, cap: 20, init: CmdResult{
outputs: []string{cap: 500}
timings: []i64{cap: 500}
}}
}
fn main() {
// Make sure that we can measure various V executables
// without influencing them, by presetting VEXE
os.setenv('VEXE', '', true)
mut context := Context{}
context.parse_options()!
context.run()
context.show_diff_summary()
for i := 1; i <= context.repeats_count; i++ {
context.current_run = i
context.reset_results()
context.run()
context.show_diff_summary()
}
}