ページを分割しました。
Intel X79 AHCI
リファレンス的な扱いです。X79のSATA6GポートにX300を1枚挿し、データを取得しました。SSDの性質上、R/Wが混ざるとかなり性能が落ちますね…。
| Access Specification Name | Read IOps | Write IOps |
|---|
| 512 B; 100% Read; 0% random_QD1 | 25263.0 | 0.0 |
|---|
| 512 B; 100% Read; 0% random_QD32 | 67221.0 | 0.0 |
|---|
| 512 B; 50% Read; 0% random_QD1 | 1397.5 | 1399.2 |
|---|
| 512 B; 50% Read; 0% random_QD32 | 3093.9 | 3103.4 |
|---|
| 512 B; 0% Read; 0% random_QD1 | 0.0 | 22460.0 |
|---|
| 512 B; 0% Read; 0% random_QD32 | 0.0 | 59233.5 |
|---|
| 4 KiB; 100% Read; 0% random_QD1 | 21769.8 | 0.0 |
|---|
| 4 KiB; 100% Read; 0% random_QD32 | 63632.3 | 0.0 |
|---|
| 4 KiB; 50% Read; 0% random_QD1 | 3467.5 | 3494.7 |
|---|
| 4 KiB; 50% Read; 0% random_QD32 | 13851.4 | 13853.1 |
|---|
| 4 KiB; 0% Read; 0% random_QD1 | 0.0 | 18821.0 |
|---|
| 4 KiB; 0% Read; 0% random_QD32 | 0.0 | 54700.6 |
|---|
| 256 KiB; 100% Read; 0% random_QD1 | 1477.2 | 0.0 |
|---|
| 256 KiB; 100% Read; 0% random_QD32 | 1572.1 | 0.0 |
|---|
| 256 KiB; 50% Read; 0% random_QD1 | 372.1 | 368.4 |
|---|
| 256 KiB; 50% Read; 0% random_QD32 | 462.4 | 462.5 |
|---|
| 256 KiB; 0% Read; 0% random_QD1 | 0.0 | 1259.2 |
|---|
| 256 KiB; 0% Read; 0% random_QD32 | 0.0 | 1110.5 |
|---|
| 1M-Seq-100%R_QD1 | 398.1 | 0.0 |
|---|
| 1M-Seq-100%R_QD32 | 384.4 | 0.0 |
|---|
| 1M-Seq-50%R_QD1 | 127.4 | 124.0 |
|---|
| 1M-Seq-50%R_QD32 | 123.3 | 116.5 |
|---|
| 1M-Seq-100%W_QD1 | 0.0 | 303.3 |
|---|
| 1M-Seq-100%W_QD32 | 0.0 | 276.4 |
|---|
| 1M-rand-100%R_QD1 | 304.5 | 0.0 |
|---|
| 1M-rand-100%R_QD32 | 382.7 | 0.0 |
|---|
| 1M-rand-50%R_QD1 | 119.2 | 121.7 |
|---|
| 1M-rand-50%R_QD32 | 121.7 | 121.4 |
|---|
| 1M-rand-100%W_QD1 | 0.0 | 259.5 |
|---|
| 1M-rand-100%W_QD32 | 0.0 | 282.2 |
|---|
|
| Access Specification Name | Read MBps (Decimal) | Write MBps (Decimal) |
|---|
| 512 B; 100% Read; 0% random_QD1 | 12.9 | 0.0 |
|---|
| 512 B; 100% Read; 0% random_QD32 | 34.4 | 0.0 |
|---|
| 512 B; 50% Read; 0% random_QD1 | 0.7 | 0.7 |
|---|
| 512 B; 50% Read; 0% random_QD32 | 1.6 | 1.6 |
|---|
| 512 B; 0% Read; 0% random_QD1 | 0.0 | 11.5 |
|---|
| 512 B; 0% Read; 0% random_QD32 | 0.0 | 30.3 |
|---|
| 4 KiB; 100% Read; 0% random_QD1 | 89.2 | 0.0 |
|---|
| 4 KiB; 100% Read; 0% random_QD32 | 260.6 | 0.0 |
|---|
| 4 KiB; 50% Read; 0% random_QD1 | 14.2 | 14.3 |
|---|
| 4 KiB; 50% Read; 0% random_QD32 | 56.7 | 56.7 |
|---|
| 4 KiB; 0% Read; 0% random_QD1 | 0.0 | 77.1 |
|---|
| 4 KiB; 0% Read; 0% random_QD32 | 0.0 | 224.1 |
|---|
| 256 KiB; 100% Read; 0% random_QD1 | 387.2 | 0.0 |
|---|
| 256 KiB; 100% Read; 0% random_QD32 | 412.1 | 0.0 |
|---|
| 256 KiB; 50% Read; 0% random_QD1 | 97.5 | 96.6 |
|---|
| 256 KiB; 50% Read; 0% random_QD32 | 121.2 | 121.2 |
|---|
| 256 KiB; 0% Read; 0% random_QD1 | 0.0 | 330.1 |
|---|
| 256 KiB; 0% Read; 0% random_QD32 | 0.0 | 291.1 |
|---|
| 1M-Seq-100%R_QD1 | 417.4 | 0.0 |
|---|
| 1M-Seq-100%R_QD32 | 403.1 | 0.0 |
|---|
| 1M-Seq-50%R_QD1 | 133.6 | 130.1 |
|---|
| 1M-Seq-50%R_QD32 | 129.3 | 122.1 |
|---|
| 1M-Seq-100%W_QD1 | 0.0 | 318.0 |
|---|
| 1M-Seq-100%W_QD32 | 0.0 | 289.8 |
|---|
| 1M-rand-100%R_QD1 | 319.3 | 0.0 |
|---|
| 1M-rand-100%R_QD32 | 401.3 | 0.0 |
|---|
| 1M-rand-50%R_QD1 | 125.0 | 127.6 |
|---|
| 1M-rand-50%R_QD32 | 127.6 | 127.3 |
|---|
| 1M-rand-100%W_QD1 | 0.0 | 272.1 |
|---|
| 1M-rand-100%W_QD32 | 0.0 | 295.9 |
|---|
|
ちなみに、CDMとATTOの参考値です。
