diff options
| author | Alon Zakai <azakai@mozilla.com> | 2011-01-02 21:26:22 -0800 |
|---|---|---|
| committer | Alon Zakai <azakai@mozilla.com> | 2011-01-02 21:26:22 -0800 |
| commit | 044ce8ea7c61616d1836633a40db06e128c051b9 (patch) | |
| tree | 8f2003c9a98d93a09f403e029ea3098de844649a | |
| parent | 78aa032b233add4d31f323c650b78d21bc9482a4 (diff) | |
optimize mod operator, and primes benchmark
| -rw-r--r-- | src/jsifier.js | 2 | ||||
| -rw-r--r-- | tests/runner.py | 29 |
2 files changed, 28 insertions, 3 deletions
diff --git a/src/jsifier.js b/src/jsifier.js index a753fd05..0738363e 100644 --- a/src/jsifier.js +++ b/src/jsifier.js @@ -758,7 +758,7 @@ function JSify(data, functionsOnly, givenTypes, givenFunctions, givenGlobalVaria case 'sub': return handleOverflow(ident1 + ' - ' + ident2); case 'sdiv': case 'udiv': return 'Math.floor(' + ident1 + ' / ' + ident2 + ')'; case 'mul': return handleOverflow(ident1 + ' * ' + ident2); - case 'urem': case 'srem': return 'Math.floor(' + ident1 + ' % ' + ident2 + ')'; + case 'urem': case 'srem': return ident1 + ' % ' + ident2; case 'or': return ident1 + ' | ' + ident2; // TODO this forces into a 32-bit int - add overflow-style checks? also other bitops below us case 'and': return ident1 + ' & ' + ident2; case 'xor': return ident1 + ' ^ ' + ident2; diff --git a/tests/runner.py b/tests/runner.py index 0316574a..0a50f3c7 100644 --- a/tests/runner.py +++ b/tests/runner.py @@ -1502,8 +1502,8 @@ else: GUARD_MEMORY = SAFE_HEAP = CHECK_OVERFLOWS = CORRECT_OVERFLOWS = 0 LLVM_OPTS = 1 - TEST_REPS = 10 - TOTAL_TESTS = 2 + TEST_REPS = 3 + TOTAL_TESTS = 3 tests_done = 0 total_times = map(lambda x: 0., range(TEST_REPS)) @@ -1561,6 +1561,31 @@ else: print 'Total stats:' self.print_stats(total_times) + def test_primes(self): + src = ''' + #include<stdio.h> + #include<math.h> + int main() { + int primes = 0, curri = 2; + while (primes < 30000) { + int ok = true; + for (int j = 2; j < sqrtf(curri); j++) { + if (curri % j == 0) { + ok = false; + break; + } + } + if (ok) { + primes++; + } + curri++; + } + printf("lastprime: %d.\\n", curri-1); + return 1; + } + ''' + self.do_benchmark(src, [], 'lastprime: 348949.') + def test_fannkuch(self): src = open(path_from_root(['tests', 'fannkuch.cpp']), 'r').read() self.do_benchmark(src, ['9'], 'Pfannkuchen(9) = 30.') |