Igalia says the kernel can handle x86 atomics more than 5x faster than FEX does

T2Covered by 1 source · first reported by UploadVR / Road to VR / MIXED at 09 Oct, 05:41 UTC

An unaligned atomic instruction raises a SIGBUS on Arm64 and the process is terminated, where x86 runs the same operation without complaint, and that is the instruction-level reason some translated x86 games die outright on Arm hardware. An Igalia engineer told the Linux Plumbers Conference on…

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• T2Igalia says the kernel can handle x86 atomics more than 5x faster than FEX doesUploadVR / Road to VR / MIXED09 Oct, 05:41