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A comment on Axboe Achieves 8M IOPS Per-Core with Newest Linux Optimization Patches. Parent comment

Re:Axboe Achieves 8M IOPS Per-Core with Newest Linux Optimiz... by Flow on Tuesday October 19, 2021 @02:26AM (#28915381)
Will DMA from external devices pass L3 or some other CPU cache? Or are all accesses to the freshy DMAed-to memory be cold
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