Enables prefetch insertion optimization.
Windows: Optimization
> Prefetch Insertion
Linux: None
IA-32, Intel® EM64T
Linux: | -prefetch -no-prefetch |
Windows: | /Qprefetch /Qprefetch- |
None
ON | Prefetch insertion optimization is enabled. |
This option enables prefetch insertion optimization. To use this option, you must also specify O3.
The goal of prefetching is to reduce cache misses by providing hints to the processor about when data should be loaded into the cache.
To disable the prefetch insertion optimization, use -no-prefetch (Linux) or /Qprefetch- (Windows).
None
Optimizing Applications: Coding Guidelines for Intel(R) Architectures