Try/Catch performance overhead

JavaScript performance comparison

Revision 20 of this test case created by

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
control - no try/catch
function test(j) {
  var i, s = 0;
  for (i = 0; i < j; i++) s = i;
  for (i = 0; i < j; i++) s = i;
  for (i = 0; i < j; i++) s = i;
  for (i = 0; i < j; i++) s = i;
  return s;
}
test(100000);
pending…
try/catch inside function
function test(j) {
  try {
    var i, s = 0;
    for (i = 0; i < j; i++) s = i;
    for (i = 0; i < j; i++) s = i;
    for (i = 0; i < j; i++) s = i;
    for (i = 0; i < j; i++) s = i;
    return s;
  } catch (e) {}
}
test(100000);
pending…
try/catch outside function
function test(j) {
  var i, s = 0;
  for (i = 0; i < j; i++) s = i;
  for (i = 0; i < j; i++) s = i;
  for (i = 0; i < j; i++) s = i;
  for (i = 0; i < j; i++) s = i;
  return s;
}
try { test(100000); } catch (e) {}
pending…

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