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Sep 10th 2013, 23:58, by parislove3

作者parislove3 (星野純)

站內PC_Shopping

標題Re: [測試] 記憶體雙通道 8G*2

時間Tue Sep 10 23:58:51 2013

筆電簡單測一下，均跑 1333 時序 9-9-9-24 1T 兩組各跑五次，取最高值比較 Model: TOSHIBA R830 CPU: i3-2350M RAM: 美光 DDR3-1600 8G 威剛 DDR3-1333 4G*2 VGA: Intel HD Graphic 3000 8G*1 4G*2 差距 PassMark Rating: 1180.1 1241.8 5.2% CPU Mark: 2933.0 2976.6 1.4% 2D Graphics Mark: 425.5 431.4 1.3% 3D Graphics Mark: 292.0 316.1 8.3% Memory Mark: 1370.7 1711.2 24.8% Disk Mark: 692.1 693.3 0.2% Memory 細項 Database Operations: 48.1 52.5 9.1% Read Cached: 15824.6 15904.2 0.5% Read Uncached: 7614.0 9057.6 19.0% Write: 4296.6 8021.1 86.7% Available RAM: 5582.8 5806.0 4.0% Latency: 31.5 30.4 -3.0% Threaded: 9400.9 17909.1 90.5% -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.39.189.162

推 HiddenGuy :推測試 09/11 00:00

推 apflake :也許雙通道對實際影響並不大,比跑分軟體差更少,因為 09/11 00:13

→ apflake :CPU的資料存取先天上隨機存取都在某段記憶體附近,被 09/11 00:16

→ apflake :cache命中的機會很高,連續大量存取記憶體的場合很少 09/11 00:18

推 soem :推測試 09/11 00:21

→ soem :基本上a大說的應該是事實，除非你的程式都在IO，那才 09/11 00:22

→ soem :會有顯著的差異(我想那或許是修圖之類的吧) 09/11 00:23

→ soem :至於影片轉檔之類的，我想會卡在更下層級的Disk IO 09/11 00:23

→ soem :以現在cache動輒數MB的情況下，程式不太會跳那麼多 09/11 00:25

→ a2935373 :影片轉檔好像很少卡在HDD I/O 09/11 00:28

推 soem :都卡在CPU/GPGPU嗎？...XD 09/11 00:32

推 a2935373 :嗯 雙通道我到是沒有特別注意 09/11 00:33

推 jonothan :10次...推毅力 不過應該去掉最高最低值 取平均 09/11 00:37

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