Sony Pushes More AMD Jaguar Optimizations To Upstream LLVM 10 Compiler

[phoronix]

Phoronix: Sony Pushes More AMD Jaguar Optimizations To Upstream LLVM 10 Compiler

Sony engineers working on the PlayStation compiler toolchain continue upstreaming various improvements to the LLVM source tree for helping the AMD APUs powering their latest game console...

http://www.phoronix.com/scan.php?page=news_item&px=LLVM-10-More-AMD-Btver2-Tuning

[tildearrow]

Typo:

specific to the "btver2" (Bobat 2) target for benefiting

[pyler]

GCC 10 vs LLVM 10 benchmarks for bdver2?

[carewolf]

I wonder if the Jaguar changes are new or old stuff they have kept in their fork.

[pyler]

I am surprised why Sony had to fix it and not AMD.

AMD is very poor in open source contributions.

[FireBurn]

I am surprised why Sony had to fix it and not AMD.

AMD is very poor in open source contributions.

These aren't fixes, they're improvements. Sony wants to get every last ounce of performance from the hardware, AMD does to but they have to do that for all their hardware, not just one specific chip

This is all about scratching your own itch

[tului]

_{Shame Microsoft doesn't do the same for gcc}

[discordian]

_{Shame Microsoft doesn't do the same for gcc}

I'd guess they are using their VisualC++ compiler?

[pyler]

Michael should cherry pick this patch before benchmarking https://reviews.llvm.org/D66088#change-87cCuVJjIUR4

[tului]

I'd guess they are using their VisualC++ compiler?

That's my guess. Thus my wish they'd spend a few hundred thousand hiring some guys to port any optimizations to gcc