Re: SATA-performance part 2

2007-02-14 Thread Arjan van de Ven
> after deinstallation of oprofile and only soft reboots (no hardware power > off) > these values STAYED (linux 48 MB/s) !! even for a brand new installation of > OpenSuSE 10.2 to another partition! > After a hardware power off everything was again like before (26 MB/s). > > So now the

SATA-performance part 2

2007-02-14 Thread Martin A. Fink
Dear all, now I installed oprofile as suggested, and very interesting things happend: System: OpenSuSE 10.2 with AHCI on, disk: Solid State Disk (Flash Disk) Test: Write blocks of 1MB. Do fsync() every 1GB. Measure time for each GB. before installation of oprofile: test

SATA-performance part 2

2007-02-14 Thread Martin A. Fink
Dear all, now I installed oprofile as suggested, and very interesting things happend: System: OpenSuSE 10.2 with AHCI on, disk: Solid State Disk (Flash Disk) Test: Write blocks of 1MB. Do fsync() every 1GB. Measure time for each GB. before installation of oprofile: test

Re: SATA-performance part 2

2007-02-14 Thread Arjan van de Ven
after deinstallation of oprofile and only soft reboots (no hardware power off) these values STAYED (linux 48 MB/s) !! even for a brand new installation of OpenSuSE 10.2 to another partition! After a hardware power off everything was again like before (26 MB/s). So now the interesting