cpu 缓存：
getconf -a
LEVEL1_ICACHE_SIZE 32768 LEVEL1_ICACHE_ASSOC 8 LEVEL1_ICACHE_LINESIZE 64 LEVEL1_DCACHE_SIZE 32768 LEVEL1_DCACHE_ASSOC 8 LEVEL1_DCACHE_LINESIZE 64
LEVEL2_CACHE_SIZE 262144 LEVEL2_CACHE_ASSOC 8 LEVEL2_CACHE_LINESIZE 64
LEVEL3_CACHE_SIZE 15728640 LEVEL3_CACHE_ASSOC 20 LEVEL3_CACHE_LINESIZE 64
LEVEL4_CACHE_SIZE 0 LEVEL4_CACHE_ASSOC 0 LEVEL4_CACHE_LINESIZE 0
原文：http://www.cnblogs.com/zengkefu/p/5579351.html