diff options
| -rw-r--r-- | src/postamble.js | 16 | ||||
| -rw-r--r-- | src/preamble.js | 5 | ||||
| -rw-r--r-- | src/settings.js | 3 |
3 files changed, 22 insertions, 2 deletions
diff --git a/src/postamble.js b/src/postamble.js index 5f541733..00205abc 100644 --- a/src/postamble.js +++ b/src/postamble.js @@ -17,18 +17,30 @@ Module.callMain = function callMain(args) { argv.push(0); argv = allocate(argv, 'i32', ALLOC_STATIC); +#if BENCHMARK + var start = Date.now(); +#endif + + var ret; + #if CATCH_EXIT_CODE var initialStackTop = STACKTOP; try { - return Module['_main'](argc, argv, 0); + ret = Module['_main'](argc, argv, 0); } catch(e) { if (e.name == "ExitStatus") return e.status; throw e; } finally { STACKTOP = initialStackTop; } #else - return Module['_main'](argc, argv, 0); + ret = Module['_main'](argc, argv, 0); #endif + +#if BENCHMARK + Module.realPrint('main() took ' + (Date.now() - start) + ' milliseconds'); +#endif + + return ret; } {{GLOBAL_VARS}} diff --git a/src/preamble.js b/src/preamble.js index 75cae5c4..8a68736e 100644 --- a/src/preamble.js +++ b/src/preamble.js @@ -6,6 +6,11 @@ {{RUNTIME}} +#if BENCHMARK +Module.realPrint = Module.print; +Module.print = Module.printErr = function(){}; +#endif + #if SAFE_HEAP //======================================== // Debugging tools - Heap diff --git a/src/settings.js b/src/settings.js index ccf2a25b..6ffa8c33 100644 --- a/src/settings.js +++ b/src/settings.js @@ -317,6 +317,9 @@ var HEADLESS = 0; // If 1, will include shim code that tries to 'fake' a browser // very partial - it is hard to fake a whole browser! - so // keep your expectations low for this to work. +var BENCHMARK = 0; // If 1, will just time how long main() takes to execute, and not + // print out anything at all whatsover. This is useful for benchmarking. + var ASM_JS = 0; // If 1, generate code in asm.js format. XXX This is highly experimental, // and will not work on most codebases yet. It is NOT recommended that you // try this yet. |