3 ms·
Sometimes compilers fail us, in particular they often fail to correctly vectorize code. If you do it manually insert the correct instructions you can get a 20%
by frozenport 12y ago
Sometimes compilers fail us, in particular they often fail to correctly vectorize code. If you do it manually insert the correct instructions you can get a 20% speedup!
- vardump 12y agoSometimes you get 40x speedup. Sometimes you gain nothing.