AMD Sempron 3100+ Review - STARS CFD and SuperPi
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STARS CFD
This test, provided by Oklahoma State University’s CASE Lab, is an excellent tool representing common computational fluid dynamic simulators. It's also an example of pure floating point math abilities. As can be seen here, the Sempron got absolutely killed. This is one case where that extra cache does make a difference, as the code was able to remain in the L2 as well as the data being worked upon, instead of having to wait on the much slower memory to provide information. The point to be taken here is that if you are working on complex simulations with tight code and reasonably sized data sets, getting a full on A64, FX, or Opteron would prove beneficial over the cheaper Sempron. Speaking from experience, anything that lowers sim time is well worth the investment.
Super Pi
This is a test to see which setup can calculate one million digits of pi the quickest. Again, the A64 busts out the victory, though by a slimmer margin this time. Calculating more than the standard one million decimal places extends the lead enjoyed by the 1024kb L2 Clawhammer.
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