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cmd/tools/repeat.v: add a --warmup option too

pull/6529/head
Delyan Angelov 2020-10-01 20:13:19 +03:00
parent 04cd585183
commit 0402179603
1 changed files with 11 additions and 1 deletions
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12
cmd/tools/repeat.v
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@ -14,6 +14,7 @@ mut:
struct Context {
mut:
count int
warmup int
show_help bool
show_result bool
verbose bool
@ -31,6 +32,7 @@ fn main(){
fp.skip_executable()
fp.limit_free_args_to_at_least(1)
context.count = fp.int('count', `c`, 10, 'Repetition count')
context.warmup = fp.int('warmup', `w`, 2, 'Warmup runs')
context.show_help = fp.bool('help', `h`, false, 'Show this help screen.')
context.verbose = fp.bool('verbose', `v`, false, 'Be more verbose.')
context.show_result = fp.bool('result', `r`, true, 'Show the result too.')
@ -56,9 +58,17 @@ fn main(){
mut duration := 0
mut sum := 0
mut oldres := ''
if context.warmup > 0 {
for i in 1..context.warmup+1 {
print('\r warming up run: ${i:4}/${context.warmup:-4} for ${cmd:-50s} took ${duration:6} ms ...')
mut sw := time.new_stopwatch({})
os.exec(cmd) or { continue }
duration = int(sw.elapsed().milliseconds())
}
}
for i in 1..(context.count+1) {
avg := f64(sum)/f64(i)
print('\r average: ${avg:9.3f} ms | run: ${(i-1):4} | took ${duration:6} ms | cmd: ${cmd:-50s}')
print('\r average: ${avg:9.3f} ms | run: ${i:4}/${context.count:-4} | took ${duration:6} ms | cmd: ${cmd:-50s}')
if context.show_result {
print(' | result: ${oldres:-s}')
}