14 ms·

In scientific computing it's not unusual to get 2x-3x speedups by doing simple optimizations like this one. For desktop applications it's nothing, but when your

by kia 15y ago

In scientific computing it's not unusual to get 2x-3x speedups by doing simple optimizations like this one. For desktop applications it's nothing, but when your simulation is taking a week to complete then 2x-speedup is a huge improvement.

ahelwer 15y ago
This was especially the case on the old Pentium 4's. What we used to do was over-allocate the amount of memory needed, then offset the pointer into the allocated memory to avoid cache collisions.
dpe82 15y ago
It's not always nothing, particularly when you're dealing with video. :)