Crucial Ballistix Tracer PC4000 2x512MB - PiFast, 3DMark01
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PiFast
Computation of 10,000,000 digits of Pi
Method used : Chudnovsky
Size of FFT : 1024 K
In the first synthetic test where the system computes 10,000,000 digits of Pi using an 1024 K Fast-Fourier Transform, the results look very similar to what has been observed so far. The two Crucial modules are identical with the high frequency modules of the competition trailing. It should be noted that the other modules are running at their rated speeds; the Kingston module is running at CAS 2.5 and the Corsair module is at CAS 3.
The is some fluctuation in the results here. For the first time the Tracer PC4000 modules were not the fastest running at their rated speed. When rerun at the same speed as the Crucial PC3200 the results matched. Apparently PiFast prefers memory latency to high memory frequency.
3DMark01
While 3DMark01 was originally a video card test, video cards have become so powerful that the benchmark is CPU/memory limited and has become primarily a benchmark of system performance. 3DMark01 is also based on the same game engine as Max Payne, therefore giving a strong indication of the improvement that could be gained in DirectX 8 games.
Again, we see Crucial memory modules at the normal positions, first and second, with the other modules trailing slightly.
3DMark01 also seems to prefer timings to frequency. The Crucial Ballistix Tracer PC4000 does take the lead but only narrowly.
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