# dd if=/dev/zero of=/home/testfile bs=1G count=1 oflag=direct 1073741824 bytes (1.1 GB) copied, 0.968236 s, 1.1 GB/s
# dd if=/dev/zero of=/home/testfile bs=1M count=1024 oflag=direct 1073741824 bytes (1.1 GB) copied, 0.877165 s, 1.2 GB/s 1073741824 bytes (1.1 GB) copied, 1.67205 s, 642 MB/s 1073741824 bytes (1.1 GB) copied, 1.64823 s, 651 MB/s 1073741824 bytes (1.1 GB) copied, 1.70338 s, 630 MB/s 1073741824 bytes (1.1 GB) copied, 1.67719 s, 640 MB/s
# dd if=/dev/zero of=/home/testfile bs=1G count=1 oflag=direct 1073741824 bytes (1.1 GB) copied, 0.981585 s, 1.1 GB/s 1073741824 bytes (1.1 GB) copied, 1.86161 s, 577 MB/s 1073741824 bytes (1.1 GB) copied, 1.83748 s, 584 MB/s
# dd if=/dev/zero of=/home/testfile bs=512 count=1024 oflag=direct 524288 bytes (524 kB) copied, 0.0448593 s, 11.7 MB/s 524288 bytes (524 kB) copied, 0.0444185 s, 11.8 MB/s 524288 bytes (524 kB) copied, 0.0448892 s, 11.7 MB/s
# dd if=/dev/zero of=/home/testfile bs=512 count=102400 oflag=direct 52428800 bytes (52 MB) copied, 2.87847 s, 18.2 MB/s
# dd if=/dev/zero of=/home/testfile bs=4096 count=102400 oflag=direct 419430400 bytes (419 MB) copied, 3.62074 s, 116 MB/s 419430400 bytes (419 MB) copied, 3.60996 s, 116 MB/s |
# dd if=/dev/zero of=/home/testfile bs=1G count=1 oflag=direct 1073741824 bytes (1.1 GB) copied, 1.33766 s, 803 MB/s
# dd if=/dev/zero of=/home/testfile bs=1G count=1 oflag=direct 1073741824 bytes (1.1 GB) copied, 1.33303 s, 805 MB/s 1073741824 bytes (1.1 GB) copied, 2.53404 s, 424 MB/s 1073741824 bytes (1.1 GB) copied, 2.69058 s, 399 MB/s 1073741824 bytes (1.1 GB) copied, 1.35569 s, 792 MB/s 1073741824 bytes (1.1 GB) copied, 2.63433 s, 408 MB/s
# dd if=/dev/zero of=/home/testfile bs=1M count=1024 oflag=direct 1073741824 bytes (1.1 GB) copied, 2.34943 s, 457 MB/s 1073741824 bytes (1.1 GB) copied, 2.39908 s, 448 MB/s 1073741824 bytes (1.1 GB) copied, 1.12215 s, 957 MB/s // 쉬었다가 실행
# dd if=/dev/zero of=/home/testfile bs=512 count=1024 oflag=direct 524288 bytes (524 kB) copied, 0.0496745 s, 10.6 MB/s 524288 bytes (524 kB) copied, 0.0369942 s, 14.2 MB/s 524288 bytes (524 kB) copied, 0.0600279 s, 8.7 MB/s
# dd if=/dev/zero of=/home/testfile bs=512 count=102400 oflag=direct 52428800 bytes (52 MB) copied, 4.08467 s, 12.8 MB/s
# dd if=/dev/zero of=/home/testfile bs=4096 count=102400 oflag=direct 419430400 bytes (419 MB) copied, 6.50347 s, 64.5 MB/s 419430400 bytes (419 MB) copied, 6.21405 s, 67.5 MB/s
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