ARM: Use ISB instead of yield in place of x86 pause
ISB isn't an exact match for pause, but it does slow down execution at least a litle. Unfortunately, yield does nothing on machines without SMT (99% of aarch64 machines)
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@@ -175,7 +175,7 @@ namespace utils
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inline void pause()
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{
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#if defined(ARCH_ARM64)
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__asm__ volatile("yield");
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__asm__ volatile("isb" ::: "memory");
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#elif defined(ARCH_X64)
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_mm_pause();
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#else
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