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added string ropes for faster concatenation of long strings (issue #67)

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Fabrice Bellard
2025-03-25 16:01:40 +01:00
parent 372ad84e9a
commit 156d981afe
4 changed files with 624 additions and 71 deletions
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28
tests/microbench.js
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@@ -957,6 +957,32 @@ function string_build4(n)
return n * 1000;
}
/* append */
function string_build_large1(n)
{
var i, j, r, len = 20000;
for(j = 0; j < n; j++) {
r = "";
for(i = 0; i < len; i++)
r += "abcdef";
global_res = r;
}
return n * len;
}
/* prepend */
function string_build_large2(n)
{
var i, j, r, len = 20000;
for(j = 0; j < n; j++) {
r = "";
for(i = 0; i < len; i++)
r = "abcdef" + r;
global_res = r;
}
return n * len;
}
/* sort bench */
function sort_bench(text) {
@@ -1336,6 +1362,8 @@ function main(argc, argv, g)
string_build2,
string_build3,
string_build4,
string_build_large1,
string_build_large2,
int_to_string,
int_toString,
float_to_string,