Performance Matters

Tag: x86

Jun 17, 2021
Your CPU May Have Slowed Down on Wednesday
The death of hardware store optimization.
Aug 19, 2020
Ice Lake AVX-512 Downclocking
Examining the extent of AVX related downclocking on Intel's Ice Lake CPU
May 26, 2020
AVX-512 Mask Registers, Again
Taking a second look at the newly introduced mask registers, this time with the benefit of a SKX die shot from Fritzchens Fritz.
May 18, 2020
Ice Lake Store Elimination
We look at the zero store optimization as it applies to Intel's newest micro-architecture.
May 13, 2020
Hardware Store Elimination
Probing a previously undocumented zero-related optimization on Intel CPUs.