Optimization Hints
Here is some topics about perforamnce optimization.
nc variants of memory access intrinsics
Memor access intrinsics such as vector load, store, gather and scatter, have
variants that has nc in mnemonic such as _vel_vldnc_vssl. It can be used to
minimize polution of LLC, Last Level Cache. See ISA
Guide
for details.
other topics...
- scheduling: load/store and arithmetic
- svob, ot
- unrolling
- approximate
- low throghput, cross-pipe instructions