Articles: CPU

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Scientific calculations

We used the popular Mathematica 5.0 program for estimating the system performance in scientific applications. This program is extensively used for numerical and symbolic calculations.

It is a trivial thing to say that computational load is among the fortes of the Athlon 64, and this test gives another confirmation. The Athlon 64 is really far ahead of the Pentium 4 processors. At the same time, the reduction of the L2 cache, which happened to the Athlon 64 on the transition to the Socket 939 platform, negatively reflected on the performance. The new Athlon 64s on the NewCastle core lag behind their predecessors on the ClawHammer core that work at the same frequency.

Software Development Tools

Besides our traditional tests, today we run one more benchmark, which we tried in our previous processor reviews. Namely, we measured the speed of compilation of projects in Visual C++ .NET, a popular software development environment. For our measurements, we took the source code of the Emule client, to which we added the source code of several libraries, necessary on the compilation stage: crypto51, CxImage, zlibstat. We measured the compilation time in two modes: “Debug” (this version included debugging information into the code) and “Release” (building the final product, optimized for the execution speed and the amount of the resulting code).

The two following diagrams show the results in seconds, so a smaller number is better.

Processors from AMD can be honestly recommended to scientists as well as to software developers. By the way, you may note that the processors with higher amount of cache memory are faster at compiling software projects.

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