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| node: | direct disk access |
| template: | 4 |
| parent: | macOS |
| owner: | maniac |
| viewed by: | |
| created: | 28.01.2010 - 23:38:51 |
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cwbe coordinatez: 101 63540 63542 2109677 1857521 5154014 ABSOLUT KYBERIA |
| permissions | |
| you: | r, |
| system: | public |
| net: | yes |
total descendants::9
total children::5
narazil som na podivnu vec.
skusal som performance ssd disku pod snow leopardom
dd if=/dev/disk0 of=/dev/null s roznymi block sizes mi dava stale okolo 20-23MB/s
ked ddckujem /dev/zero do fajlu, tak mam write cez 80MB/s a ddcko file do /dev/null (teda read) dava okolo 130MB/s
v com moze byt problem? :) teda ze preco priamy access na device da max 20MB/s ?
skusal som performance ssd disku pod snow leopardom
dd if=/dev/disk0 of=/dev/null s roznymi block sizes mi dava stale okolo 20-23MB/s
ked ddckujem /dev/zero do fajlu, tak mam write cez 80MB/s a ddcko file do /dev/null (teda read) dava okolo 130MB/s
v com moze byt problem? :) teda ze preco priamy access na device da max 20MB/s ?