Comment 3 for bug 654764

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Heiko Wegeler (heiko-wegeler) wrote :

the ssd has a sandforce controller with buildin compression. Sequential speeds for random data are ~200MB/s read, ~130MB/s write. 4k random data write with one thread is ~55MB/s, ~115MB/s with 64 threads. It looks like the encryption transforms the 0-data stream in a more or less random data stream.