限定用途のサーバで、信頼性はいらないけど演算能力がほしいと言う事情から、最新のデスクトップCPUであるCore i7 4790Kで1台組んでみたのでお約束でUnixBenchしてみる。
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------------------------------------------------------------------------ 8 CPUs in system; running 1 parallel copy of tests Dhrystone 2 using register variables 52306133.9 lps (10.0 s, 7 samples) Double-Precision Whetstone 3042.6 MWIPS (18.1 s, 7 samples) Execl Throughput 1558.2 lps (30.0 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 1638110.8 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 434456.4 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 4020971.1 KBps (30.0 s, 2 samples) Pipe Throughput 2878248.7 lps (10.0 s, 7 samples) Pipe-based Context Switching 164785.4 lps (10.0 s, 7 samples) Process Creation 9271.5 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 3555.2 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 4825.6 lpm (60.0 s, 2 samples) System Call Overhead 4079279.6 lps (10.0 s, 7 samples) System Benchmarks Index Values BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 52306133.9 4482.1 Double-Precision Whetstone 55.0 3042.6 553.2 Execl Throughput 43.0 1558.2 362.4 File Copy 1024 bufsize 2000 maxblocks 3960.0 1638110.8 4136.6 File Copy 256 bufsize 500 maxblocks 1655.0 434456.4 2625.1 File Copy 4096 bufsize 8000 maxblocks 5800.0 4020971.1 6932.7 Pipe Throughput 12440.0 2878248.7 2313.7 Pipe-based Context Switching 4000.0 164785.4 412.0 Process Creation 126.0 9271.5 735.8 Shell Scripts (1 concurrent) 42.4 3555.2 838.5 Shell Scripts (8 concurrent) 6.0 4825.6 8042.7 System Call Overhead 15000.0 4079279.6 2719.5 ======== System Benchmarks Index Score 1757.8 ------------------------------------------------------------------------ 8 CPUs in system; running 8 parallel copies of tests Dhrystone 2 using register variables 227365717.7 lps (10.0 s, 7 samples) Double-Precision Whetstone 36866.8 MWIPS (10.0 s, 7 samples) Execl Throughput 46536.4 lps (30.0 s, 2 samples) File Copy 1024 bufsize 2000 maxblocks 1594936.6 KBps (30.0 s, 2 samples) File Copy 256 bufsize 500 maxblocks 417776.2 KBps (30.0 s, 2 samples) File Copy 4096 bufsize 8000 maxblocks 4719264.9 KBps (30.0 s, 2 samples) Pipe Throughput 12276692.9 lps (10.0 s, 7 samples) Pipe-based Context Switching 2907733.4 lps (10.0 s, 7 samples) Process Creation 133859.8 lps (30.0 s, 2 samples) Shell Scripts (1 concurrent) 48083.4 lpm (60.0 s, 2 samples) Shell Scripts (8 concurrent) 6465.3 lpm (60.0 s, 2 samples) System Call Overhead 11708962.3 lps (10.0 s, 7 samples) System Benchmarks Index Values BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 227365717.7 19482.9 Double-Precision Whetstone 55.0 36866.8 6703.1 Execl Throughput 43.0 46536.4 10822.4 File Copy 1024 bufsize 2000 maxblocks 3960.0 1594936.6 4027.6 File Copy 256 bufsize 500 maxblocks 1655.0 417776.2 2524.3 File Copy 4096 bufsize 8000 maxblocks 5800.0 4719264.9 8136.7 Pipe Throughput 12440.0 12276692.9 9868.7 Pipe-based Context Switching 4000.0 2907733.4 7269.3 Process Creation 126.0 133859.8 10623.8 Shell Scripts (1 concurrent) 42.4 48083.4 11340.4 Shell Scripts (8 concurrent) 6.0 6465.3 10775.4 System Call Overhead 15000.0 11708962.3 7806.0 ======== System Benchmarks Index Score 8143.0 |
以前取ったE3-1290V2サーバの結果に比べてシングルのドライストーンで550（14％）ほどの向上。
しかし、シングルのウェットストーンが低い。 何度か試したけどやっぱり低い。 なぜだろう？ マルチのウェットストーンは高いんだけど・・・
ストレージをSamsung 840EVO SSDにしたのでファイル周りは速く、トータルのスコアは3割近く高い。
まぁ、ECCメモリも無く、ラックにも収まらないんで邪魔くさいけど、データ処理専用に使うなら、まぁありかな。
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