如下图是8269CY和E5-2682上跑的MySQL在相同业务、相同流量下的差异:
CPU使用率差异(下图8051C是E5-2682,其它是 8269CY,主频也有30%的差异)
1 numactl -H 2 available: 4 nodes (0-3) 3 node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 4 node 0 size: 192832 MB 5 node 0 free: 146830 MB 6 node 1 cpus: 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 7 node 1 size: 193533 MB 8 node 1 free: 175354 MB 9 node 2 cpus: 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 10 node 2 size: 193533 MB 11 node 2 free: 175718 MB 12 node 3 cpus: 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 13 node 3 size: 193532 MB 14 node 3 free: 183643 MB 15 node distances: 16 node 0 1 2 3 17 0: 10 12 20 22 18 1: 12 10 22 24 19 2: 20 22 10 12 20 3: 22 24 12 10 21 22 lscpu 23 Architecture: aarch64 24 Byte Order: Little Endian 25 CPU(s): 96 26 On-line CPU(s) list: 0-95 27 Thread(s) per core: 1 28 Core(s) per socket: 48 29 Socket(s): 2 30 NUMA node(s): 4 31 Model: 0 32 CPU max MHz: 2600.0000 33 CPU min MHz: 200.0000 34 BogoMIPS: 200.00 35 L1d cache: 64K 36 L1i cache: 64K 37 L2 cache: 512K 38 L3 cache: 24576K 39 NUMA node0 CPU(s): 0-23 40 NUMA node1 CPU(s): 24-47 41 NUMA node2 CPU(s): 48-71 42 NUMA node3 CPU(s): 72-95 43 Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma dcpop asimddp asimdfhm
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