Some initial postmark numbers from a dual-PIII+ATA, 4.x and 6.x

Robert Watson rwatson at FreeBSD.org
Sat Feb 5 11:42:26 PST 2005


At the request of Jeremie Le Hen, I've inserted 5.x-STABLE UP and SMP
numbers below.

On Fri, 4 Feb 2005, Robert Watson wrote:

> UP=Uniprocessor
> SMP=Multiprocessor
> MV=MPSAFE VFS
> 
> tran sec	Length of transaction run in seconds
> tran/s		Number of transactions/sec over total run
> creat/s		Number of create transactions/sec ("mixed")
> read/s		Number of read transactions/sec ("mixed")
> app/s		Number of append transactions/sec ("mixed")
> del/s		Number of delete transactions/sec ("mixed")
> rd/s		Number of read transaction/sec ("mixed")
> wr/s		Number of write transactions/sec ("mixed")
> 
>            tran sec  tran/s  creat/s  read/s  app/s  del/s  rd/s  wr/s
> 4.x UP     76        131     66       65      66     65     4.00  4.45
>            75        133     67       66      67     66     4.00  4.45
> 
> 4.x SMP    74        135     68       66      68     67     4.11  4.56
>            76        131     66       65      66     65     3.95  4.39

5.x UP       76        131     66       65      66     65     4.00  4.45
             75        133     67       66      67     66     4.06  4.50

5.x SMP      75        133     67       66      67     66     4.00  4.45
             74        135     68       66      68     67     4.11  4.56

This would seem to place it closer to 4.x than 5.x -- possibly a property
of a lack of preemption.  Again, the differences here are so small it's a
bit difficult to reason using them.

> 6.x UP     73        136     68       67      69     68     4.17  4.62
>            71        140     70       69      70     69     4.22  4.69
> 
> 6.x UP MV  71        140     70       69      70     69     4.22  4.69
>            71        140     70       69      70     69     4.22  4.69
> 
> 6.x SMP    72        138     69       68      70     68     4.17  4.62
>            72        138     69       68      70     68     4.22  4.69
> 
> 6.x SMP MV 72        138     69       68      70     68     4.17  4.62
>            74        135     68       66      68     67     4.11  4.56
> 
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