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Update to using math/rand/v2

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This commit is contained in:
Kovid Goyal
2024-02-11 21:00:30 +05:30
parent 720618bc37
commit 16d36c46fe
3 changed files with 7 additions and 14 deletions
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15
tools/cmd/benchmark/main.go
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@@ -6,9 +6,8 @@ import (
"bytes"
"errors"
"fmt"
"math/rand"
"math/rand/v2"
"strings"
"sync"
"time"
"kitty/tools/cli"
@@ -114,16 +113,11 @@ func benchmark_data(description string, data string, opts Options) (duration tim
return
}
var rand_src = sync.OnceValue(func() *rand.Rand {
return rand.New(rand.NewSource(time.Now().UnixNano()))
})
func random_string_of_bytes(n int, alphabet string) string {
b := make([]byte, n)
al := len(alphabet)
src := rand_src()
for i := 0; i < n; i++ {
b[i] = alphabet[src.Intn(al)]
b[i] = alphabet[rand.IntN(al)]
}
return utils.UnsafeBytesToString(b)
}
@@ -158,13 +152,12 @@ func unicode() (r result, err error) {
func ascii_with_csi() (r result, err error) {
const sz = 1024*1024 + 17
out := make([]byte, 0, sz+48)
src := rand_src()
chunk := ""
for len(out) < sz {
q := src.Intn(100)
q := rand.IntN(100)
switch {
case (q < 10):
chunk = random_string_of_bytes(src.Intn(72)+1, ascii_printable)
chunk = random_string_of_bytes(rand.IntN(72)+1, ascii_printable)
case (10 <= q && q < 30):
chunk = "\x1b[m\x1b[?1h\x1b[H"
case (30 <= q && q < 40):