low breezy hard disk performances

[Alvin Thompson]

i've noticed this as well; hard drive performance was substantially
faster in Hoary than it is in Breezy. what has changed and why?

-alvin

On Thu, 2005-09-08 at 11:04 +0200, The Saltydog wrote:
> Before upgrading to breezy I have saved my disk timings from running
> sudo hdparm -tT /dev/hda
> 
> This was the timing on Hoary:
> 
> /dev/hda:
> Timing cached reads: 2980 MB in 2.00 seconds = 1488.74 MB/sec
> Timing buffered disk reads: 174 MB in 3.03 seconds = 57.49 MB/sec
> 
> and this is the current timing in Breezy:
> 
> /dev/hda:
> Timing cached reads: 2832 MB in 2.00 seconds = 1415.51 MB/sec
> Timing buffered disk reads: 40 MB in 3.01 seconds = 13.29 MB/sec
> 
> 
> disk info:
> 
> /dev/hda:
>  Model=Maxtor 6E040L0, FwRev=NAR61590, SerialNo=E1B04FFE
>  Config={ Fixed }
>  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
>  BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
>  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=78165360
>  IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
>  PIO modes:  pio0 pio1 pio2 pio3 pio4
>  DMA modes:  mdma0 mdma1 mdma2
>  UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
>  AdvancedPM=yes: disabled (255) WriteCache=enabled
>  Drive conforms to: (null):
> 
> and CPU info:
> 
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 15
> model           : 2
> model name      : Intel(R) Pentium(R) 4 CPU 2.60GHz
> stepping        : 9
> cpu MHz         : 2594.690
> cache size      : 512 KB
> fdiv_bug        : no
> hlt_bug         : no
> f00f_bug        : no
> coma_bug        : no
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 2
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe cid
> xtpr
> bogomips        : 5144.57

-- 
Alvin Thompson

Navy: 42
Army: 13