MemoryTester SHA1 Performance

These tests use the MemoryTester 'compute' command. MemoryTester is part of diglloydTools.

This is a compute intensive test with some memory access. The MacBook Pro is not quite as fast as the 3.33GHz Mac Pro (20% slower with one thread), but it scales very similarly.

With 6 CPU threads, the 2.3GHz MacBook Pro takes 74% longer, which is slightly faster than what is expected based on the single thread performance (6/4 * (1.105/.921) = 1.8).

As expected, the 3.33Ghz Mac Pro widens its lead considerably beginning with 5 CPU threads. Which shows that many programs (as tested in this review) are simply not exploiting the 6-CPU cores effectively (which can be due to memory bandwidth even for very well written programs).

Time in seconds, lower is better
Horizontal scale is the number of simultaneous CPU threads

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