Gaussian带的0397例子 | cpus | begin | end | time | | | cpus nproc | time | g09 | 1 | 14:22:09 | 14:49:09 | 0:27:00 | | g16 | 1 | 42min2.9 | | 2 | 14:49:09 | 15:02:54 | 0:13:45 | | | 2 | 21min3.8 | | 4 | 15:04:41 | 15:11:49 | 0:07:08 | | | 4 | 10min56.7 | | 8 | 15:11:49 | 15:15:37 | 0:03:48 | | | 8 | 5min49.2 | | 16 | 14:19:56 | 14:22:09 | 0:02:13 | | | 16 | 3min20.2 | | 32 | 15:02:54 | 15:04:41 | 0:01:47 | | | 32 | 2min35.6 | | 36 | 14:09:13 | 14:10:51 | 0:01:38 | | | 36 | |
双cpu,每cpu 16核,共64线程(超线程没关)
架构: x86_64 CPU 运行模式: 32-bit, 64-bit 字节序: Little Endian CPU: 64 在线 CPU 列表: 0-63 每个核的线程数: 2 每个座的核数: 16 座: 2 NUMA 节点: 2 厂商 ID: GenuineIntel CPU 系列: 6 型号: 85 型号名称: Intel(R) Xeon(R) Gold 6149 CPU @ 3.10GHz 步进: 4 CPU MHz: 3108.095 CPU 最大 MHz: 3101.0000 CPU 最小 MHz: 1200.0000 BogoMIPS: 6200.00 虚拟化: VT-x L1d 缓存: 32K L1i 缓存: 32K L2 缓存: 1024K L3 缓存: 22528K NUMA 节点0 CPU: 0-15,32-47 NUMA 节点1 CPU: 16-31,48-63
简单试了一下
对照
E5-2680 v3,24核 g09 4cpu,8min28s 8cpu, 4min39s 16cpu, 2min49s
24cpu, 2min46s
g16 big mem 用nproc 24cpu, 3min35.9s 16cpu, 4min8.1s 12cpu, 4min15.0s 8cpu, 7min20.4s 4cpu, 13min22.8s g16 big mem sep cpu 用%cpu,间隔用 24cpu, 4min34.9s 16cpu, 5min4.8s 12cpu, 5min7.1s 8cpu, 7min17.1s 4cpu, 14min9.4s g16 big mem con cpu 用%cpu,连续用 24cpu, 2min56.5s 16cpu, 4min8.7s 12cpu, 5min30.4s 8cpu, 7min33.1s
4cpu, 14min34.3s
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