> I/O is inherently very slow compared to computation This isn't really true anymore. IO has bad latency, but modern SSD bandwidth is ~5-15GB/s. If your progra

> I/O is inherently very slow compared to computation This isn't really true anymore. IO has bad latency, but modern SSD bandwidth is ~5-15GB/s. If your program is IO latency bound and processing less that 5GB/s you aren't IO bound, you aren't hiding your latency well enough.