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System-Research
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Research about system parts which will turn own articles or sections- |
Speed-Tests[edit]
Raw filesystem speed tests for some models:
7530 7.29 - 30 Euro USB3 SSD[1] - ext4 - 205MB/s read, 82MB/s write
Although the dhrystone Benchmark-Results showed a slowdown for fw 7.50 the NAS performance stayed approx. the same.
root@fritz1:/var/media/ftp/FRITZ1# time dd if=test.bin of=/dev/null bs=1M count=1024 real 0m 4.99s user 0m 0.00s sys 0m 3.63s => 1024MB/4.99s = 205MB/s read speed root@fritz1:/var/media/ftp/FRITZ1# time dd if=/dev/zero of=test.bin bs=1M count=1024 real 0m 12.48s user 0m 0.00s sys 0m 10.69s => 1024MB/12.48s = 82MB/s write speed
6490 7.29 - Internal-Storage - ext4 - 28MB/s read, 5.4MB/s write
Like the dhrystone Benchmark-Results the fw 7.39 NAS performance stayed approx. the same.
root@fritz2:/var/media/ftp# time dd if=test.bin of=/dev/null bs=1M count=1024 real 0m 36.44s user 0m 0.00s sys 0m 3.90s => 1024MB/36.44s = 28.1MB/s read speed root@fritz2:/var/media/ftp# time dd if=/dev/zero of=test.bin bs=1M count=1024 real 3m 10.34s user 0m 0.02s sys 0m 9.74s => 1024MB/190.34s = 5.38MB/s write speed
7490 7.29 - Internal-Storage - yaffs2 - 5.7MB/s read, 3.25MB/s write
Although the dhrystone Benchmark-Results showed a slowdown for fw 7.39 the NAS performance stayed approx. the same.
root@fritz3:/var/media/ftp $ time dd if=test.bin of=/dev/null bs=1M count=350 real 1m 1.52s user 0m 0.02s sys 0m 14.76s => 350MB/61.52s = 5.7MB/s read speed root@fritz3:/var/media/ftp $ time dd if=/dev/zero of=test.bin bs=1M count=350 real 1m 47.61s user 0m 0.00s sys 1m 7.90s => 350MB/107.61s = 3.25MB/s write speed
7520-Bootloader[edit]
- Moved to the Multi-EVA article.
