Linux and L2 Cache; Sempron vs. Athlonby Kristopher Kubicki on August 18, 2004 2:29 AM EST
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We ran MySQLd 4.0.20d from 32-bit binaries precompiled by the SuSE team. The two benchmarks below are sql-bench's test-select and test-insert.
It is very likely there are a few different factors at work here that put the Socket 754 marks better than the lowly 1.8GHz Socket 462 Athlon 2200+. For starters, we have no doubt the on-CPU memory controller for the Socket 754 family plays a critical role in hastening selects and inserts. Our whole database is stored in memory, so the largest issue becomes IO from the CPU to the RAM. The nForce3 northbridge is also far superior to the nForce2 used on the Athlon 2200+ platform, which also accounts for some IO gains.