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Maximize browser performance with a RAMdisk
Authored by: bugmenot1 on Mar 19, '11 02:07:05PM
And what makes you think the firmware isn't doing all it can to reduce those writes?
the fact that all versions of OSX up to now(and possibly even Lion) do not support TRIM command required for SSD drives to utilize their wear-leveling algorithms. When you delete a file in OSX(actually somewhat similar to Windows), that file isn't actually completely zero'd out on it, but rather just marked as deleted in the master file system database. So to SSD that file are still legitimately utilized blocks that must not be touched or moved. Read for detailed explanation.

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