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>Bottleneck in this ongoing story has been CPU How is CPU the bottleneck if what can be achieved with 11 CPUs can also be achieved with 1 CPU just by changing
by jsprogrammer 12y ago
>Bottleneck in this ongoing story has been CPU
How is CPU the bottleneck if what can be achieved with 11 CPUs can also be achieved with 1 CPU just by changing the software? If what you say is accurate, then kernel/userspace software is the bottleneck.
- wtallis 12y agoTLB flushes and most other context switch costs are still CPU performance issues even if they're not an instructions-per-second issue.
- jsprogrammer 12y agoBut that's only because the software is performing unnecessary actions/computations, it's not an inherent limitation of the CPU device.