Author: Niklas Fiekas
Date: Sun Aug 6 21:14:39 2023 +0200
Timestamp: 1691349279

Identify NEON_DOTPROD in compiler_info()

closes https://github.com/official-stockfish/Stockfish/pull/4712

No functional change
see source

---------------------------

Author: ppigazzini
Date: Sun Aug 6 21:17:33 2023 +0200
Timestamp: 1691349453

Add new CPU archs in CI Tests workflow

Add CPU archs: armv8-dotprod, riscv64 and ppc64le.
The last two archs are built using QEMU multiarch docker container.

References:
https://docs.docker.com/build/building/multi-platform/
https://github.com/docker/setup-buildx-action
https://github.com/docker/setup-qemu-action
https://github.com/tonistiigi/binfmt
https://stackoverflow.com/questions/72444103/what-does-running-the-multiarch-qemu-user-static-does-before-building-a-containe

closes https://github.com/official-stockfish/Stockfish/pull/4718

No functional change
see source

---------------------------

Author: AndrovT
Date: Sun Aug 6 21:22:37 2023 +0200
Timestamp: 1691349757

Implement AffineTransformSparseInput for armv8

Implements AffineTransformSparseInput layer for the NNUE evaluation
for the armv8 and armv8-dotprod architectures. We measured some nice
speed improvements via 10 runs of our benchmark:

armv8, Cortex-X1 : 18.5% speed-up
armv8, Cortex-A76 : 13.2% speed-up
armv8-dotprod, Cortex-X1 : 27.1% speed-up
armv8-dotprod, Cortex-A76 : 12.1% speed-up
armv8, Cortex-A72, Raspberry Pi 4 : 8.2% speed-up (thanks Torom!)

closes https://github.com/official-stockfish/Stockfish/pull/4719

No functional change
see source