Re: [PATCH 0/2] Improve crc32c() performance on newer x86_64 CPUs

From: Ard Biesheuvel
Date: Sun Jul 20 2025 - 23:34:38 EST


On Sun, 20 Jul 2025 at 08:50, Eric Biggers <ebiggers@xxxxxxxxxx> wrote:
>
> This series improves crc32c() performance on lengths >= 512 bytes on
> newer x86_64 CPUs by enabling the VPCLMULQDQ (vector carryless
> multiplication) optimized CRC code.
>
> This series targets crc-next.
>
> Eric Biggers (2):
> lib/crc: x86: Reorganize crc-pclmul static_call initialization
> lib/crc: x86/crc32c: Enable VPCLMULQDQ optimization where beneficial
>

Acked-by: Ard Biesheuvel <ardb@xxxxxxxxxx>