diff options
| author | Alon Zakai <alonzakai@gmail.com> | 2011-11-04 11:54:27 -0700 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2011-11-04 11:54:27 -0700 |
| commit | d7abb60c3f6a69f182a62be4db52e18547914bd9 (patch) | |
| tree | 143cdf7f2b3d51d25c5137d0f8385f57b5f48cdc /src/parseTools.js | |
| parent | 81607b331bc1dadd443a7b8799006f68c485b51c (diff) | |
optimize ta1 memcpy, and use ta1 in raytrace benchmark
Diffstat (limited to 'src/parseTools.js')
| -rw-r--r-- | src/parseTools.js | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/src/parseTools.js b/src/parseTools.js index 44577491..96007489 100644 --- a/src/parseTools.js +++ b/src/parseTools.js @@ -802,7 +802,7 @@ function makeSetValue(ptr, pos, value, type, noNeedFirst, ignore) { } } -var UNROLL_LOOP_LIMIT = 5; +var UNROLL_LOOP_LIMIT = 8; function makeSetValues(ptr, pos, value, type, num) { function safety(where) { @@ -854,25 +854,36 @@ function makeCopyValues(dest, src, num, type, modifier) { from = from || (src + '+' + '$mcpi$'); return (SAFE_HEAP ? 'SAFE_HEAP_COPY_HISTORY(' + to + ', ' + from + ')' : ''); } - if (USE_TYPED_ARRAYS in set(0, 1)) { + if (USE_TYPED_ARRAYS <= 1) { if (isNumber(num)) { if (num < UNROLL_LOOP_LIMIT) { return range(num).map(function(i) { return type !== 'null' ? makeSetValue(dest, i, makeGetValue(src, i, type) + (modifier || ''), type) : // Null is special-cased: We copy over all heaps makeGetSlabs(dest, 'null', true).map(function(slab) { - return slab + '[' + dest + '+' + i + ']=' + slab + '[' + src + '+' + i + ']'; + return slab + '[' + getFastValue(dest, '+', i) + ']=' + slab + '[' + getFastValue(src, '+', i) + ']'; }).join('; ') + '; ' + safety(dest + '+' + i, src + '+' + i) }).join('; '); } } - return 'for (var $mcpi$ = 0; $mcpi$ < ' + num + '; $mcpi$++) {\n' + - (type !== 'null' ? makeSetValue(dest, '$mcpi$', makeGetValue(src, '$mcpi$', type) + (modifier || ''), type) - : // Null is special-cased: We copy over all heaps - makeGetSlabs(dest, 'null', true).map(function(slab) { - return slab + '[' + dest + '+$mcpi$]=' + slab + '[' + src + '+$mcpi$]' - }).join('; ') + '; ' + safety() - ) + '\n' + '}'; + if (SAFE_HEAP) { + return 'for (var $mcpi$ = 0; $mcpi$ < ' + num + '; $mcpi$++) {\n' + + (type !== 'null' ? makeSetValue(dest, '$mcpi$', makeGetValue(src, '$mcpi$', type) + (modifier || ''), type) + : // Null is special-cased: We copy over all heaps + makeGetSlabs(dest, 'null', true).map(function(slab) { + return slab + '[' + dest + '+$mcpi$]=' + slab + '[' + src + '+$mcpi$]' + }).join('; ') + '; ' + safety() + ) + '\n' + '}'; + } + if (USE_TYPED_ARRAYS == 0) { + return 'for (var $mcpi_s$=' + src + ',$mcpi_e$=' + src + '+' + num + ',$mcpi_d$=' + dest + '; $mcpi_s$<$mcpi_e$; $mcpi_s$++, $mcpi_d$++) {\n' + + ' HEAP[$mcpi_d$] = HEAP[$mcpi_s$];\n' + + '}'; + } else { // USE_TYPED_ARRAYS == 1 + return 'for (var $mcpi_s$=' + src + ',$mcpi_e$=' + src + '+' + num + ',$mcpi_d$=' + dest + '; $mcpi_s$<$mcpi_e$; $mcpi_s$++, $mcpi_d$++) {\n' + + ' IHEAP[$mcpi_d$] = IHEAP[$mcpi_s$]; FHEAP[$mcpi_d$] = FHEAP[$mcpi_s$];\n' + + '}'; + } } else { // USE_TYPED_ARRAYS == 2 return '' + 'var $src$, $dest$, $stop$, $stop4$, $fast$;\n' + |