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canvas (GraphemeClusterBreak): handle surrogate pairs for UCS-2 wchar_t
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| #!/usr/bin/env bash | ||
|
|
||
| if [[ ${EPOCHREALTIME-} ]]; then | ||
| measure() { | ||
| local beg=$EPOCHREALTIME | ||
| eval "$1" | ||
| local end=$EPOCHREALTIME | ||
| echo "$(bc -l <<< "$end-$beg") $2" | ||
| } | ||
|
|
||
| else | ||
| cc -o epoch.tmp -x c - <<EOF | ||
| #include <sys/time.h> | ||
| #include <stdio.h> | ||
| int main() { | ||
| struct timeval tv; | ||
| gettimeofday(&tv, NULL); | ||
| printf("%ld.%06u\n", tv.tv_sec, tv.tv_usec); | ||
| } | ||
| EOF | ||
|
|
||
| chmod +x epoch.tmp | ||
| measure() { | ||
| local beg=$(./epoch.tmp) | ||
| eval "$1" | ||
| local end=$(./epoch.tmp) | ||
| echo "$(bc -l <<< "$end-$beg") $2" | ||
| } | ||
|
|
||
| trap 'rm -f epoch.tmp' EXIT | ||
| trap 'rm -f epoch.tmp; trap - INT; kill -INT $$' INT | ||
| fi | ||
|
|
||
| { | ||
| echo "# $BASH_VERSION ($MACHTYPE)" | ||
| for i in {0..100}; do | ||
| measure ":" | ||
| done | ||
| for i in {0..100}; do | ||
| measure "sleep 0.001" 0.001 | ||
| done | ||
| for i in {2..300}; do | ||
| printf -v v '0.%03d' "$i" | ||
| measure "sleep $v" "$v" | ||
| done | ||
| } |
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