| Dissection In
the CPU and FPU tests of WinBench 99, the L2 cache latency of 14
was consistently the fastest while the cache latency of 13 was the
slowest. A pattern's quite apparent in those two tests. The performance of
the L2 cache latencies of 1 to 9 were all scattered around
the average. The scores began to deteriorate from latency of 10 to 12
and finally culminating with the cache latency of 13 garnering the
lowest score. Then, the score suddenly jumped to right to the top with the
cache latency of 14. The cache latency of 15 was usually
slightly slower than the cache latency of 14 but remained above the
average.
In both tests, there are no differences between the performance of the cache latencies of 1 and 5 (the test
processor's default setting) because they both scored equally well. The
cache latency of 15, which is theoretically the slowest, ended up either
just behind the leader (in the CPU test) or on the same level (in the FPU
test). So, this goes to show that lower latency does not always correlate
with higher performance.
In the 3D WinBench 99 tests, the pattern is quite similar to that of
the WinBench 99 tests. The cache latencies of 11, 12 and 13
were once again among the slowest and there's the same big leap in
performance from the cache latency of 13 to the latency of 14.
Also, like in WinBench 99, the cache latencies of 2 and 8
seem to do poorer than their neighbours though in the 3D Transformation
test, they both did well enough to cross the average line.
The cache latency of 13 was once again the slowest, in the 3D Lighting
and Transformation test; and the second slowest in the 3D Transformation
test. Both cache latencies of 1 and 5 (processor default)
performed equally well in the 3D Lighting and Transformation test
but the cache latency of 5 surged away and grabbed the top spot in
the 3D Transformation test. The theoretical underdog, the cache
latency of 15 did quite well in both tests, staying above the
average line. Again, the tests show that the lower latency doesn't mean
higher performance. Even the processor default latency of 5 was
faster than the latency of 1.
The overall 3DMark 99 Max result showed the superiority of the L2 cache
latency of 14 over the others. And although the cache latency of 13
wasn't the poorest performer, it was close enough at the second last
place. The cache latency of 1 performed poorly here with below
average results while the cache latency of 15 was above average
overall. The processor default latency of 5 did moderately well by
hovering around the middle.
Things were quite different with the 3DMark 99 Max's CPU test. Here,
the cache latency of 14 only managed to hang around the mid-pack
and the cache latency of 4 was the fastest. The cache latency of 1
was still an average performer although the cache latency of 15 now
slipped below average. As usual, the latency of 13 did very badly,
now at the third last position. The processor default latency of 5
did quite well here by bagging the fifth place.
In Game 1, the cache latency of 14 was once again the champion
with the latency of 13 hanging close to the bottom. This time
however, the supposed speed champion, the cache latency of 1 ended
up even slower than the latency of 13! The latencies of 5
and 15 were about average although the latency of 15 was
slightly faster.
In Game 2, the cache latency of 4 was the fastest with the
latency of 14 just behind. The same was true for the latency of 13
which was just the last place at the bottom to the latency of 12.
Again, the cache latency of 1 scored badly, hitting the fifth lowest
place! The latency of 15 was much better than it and even the cache
latency of 5 scored higher.
|