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< > BotCompany Repo | #1007922 // benchForNSeconds

JavaX fragment (include) [tags: use-pretranspiled]

Transpiled version (2749L) is out of date.

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// returns result of function
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static <A> A benchForNSeconds(double n, S desc default str(f), IF0<A> f) {
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  benchForNSeconds(r { f! }, n);
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  ret f!;
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}
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// returns minimal time needed
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static long benchForNSeconds(S desc default str(r), Runnable r, double n) {
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  long start = sysNow(), min = -1, print = sysNow();
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  int seconds = 1;
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  long count = 0, sum = 0;
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  while (seconds <= n) {
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    long time = nanos();
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    r.run();
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    ++count;
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    time = nanos()-time;
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    min = min < 0 ? time : min(min, time);
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    sum += time;
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    double avg = doubleRatio(sum, count);
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    if (sysNow() >= start+seconds*1000) {
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      printAndSetConsoleTitleIfMain(
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        "n=" + n2(count) + ", avg=" + formatDouble(nanosToMS(avg), 3) + " ms, " +
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        "min=" + formatDouble(nanosToMS(min), 3) + " ms: " +
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        desc + " (" + seconds + "/" + n + " s, last=" + formatDouble(nanosToMS(time), 3) + " ms, " + n2(count) + "/s)");
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      ++seconds;
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      count = sum = 0;
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    }
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  }
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  ret min;
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}

Author comment

Began life as a copy of #1006403

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Snippet ID: #1007922
Snippet name: benchForNSeconds
Eternal ID of this version: #1007922/10
Text MD5: b65e8c8c550fcd414aa3024263f78425
Author: stefan
Category: javax
Type: JavaX fragment (include)
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2022-06-16 21:54:53
Source code size: 994 bytes / 30 lines
Pitched / IR pitched: No / No
Views / Downloads: 506 / 623
Version history: 9 change(s)
Referenced in: [show references]