Linux Desktop CPU Roundup: Cutting Edge Penguin Performanceby Kristopher Kubicki on September 19, 2004 8:00 PM EST
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Chess BenchmarksAlthough TSCP is neither a model of practical application nor synthetic benchmark, it does provide us with some valuable data for different breakdowns of compiler flags. As we have mentioned in past Linux analyses, compiler flags can show large differences between processors if they are used incorrectly. Below, you can see the 32-bit and 64-bit binaries as they are compiled via GCC 3.4.1.
The difference in optimizations does not appear as dramatic with GCC 3.4.1. If you recall some of our previous benchmarks, we were getting differences as much as 20% with -O2 and -O3. The Extreme Edition processor really pulls ahead in this benchmark, which surprised us at first; we don't see the FX-53 performing better over the Athlon 64's with its additional L2 cache.