ServerWorks chipset

Steffen Persvold sp at scali.no
Thu Oct 12 19:59:05 EDT 2000


Greg Lindahl wrote:
> 
> > I will check on this, but as far as I know the board is not shipping.
> > Can you actaully buy one from this company?
> 
> When someone does get one, PLEASE run stream on it. We have no idea if the
> interleaving gives any significant benefit.

This stream run was on a Dual 667MHz Tyan Thunder 2500, which also use
the
Serverworks HE chipset with interleaving. Dual processor test is done
with OMP.

Single run:
----------------------------------------------
 Double precision appears to have 16 digits of accuracy
 Assuming 8 bytes per DOUBLE PRECISION word
----------------------------------------------
 Array size =    2000000
 Offset     =          0
 The total memory requirement is   45 MB
 You are running each test  20 times
 --
 The *best* time for each test is used
 *EXCLUDING* the first and last iterations
 ----------------------------------------------------
 Your clock granularity appears to be less than one microsecond
 Your clock granularity/precision appears to be      1 microseconds
 ----------------------------------------------------
Function     Rate (MB/s)  Avg time   Min time  Max time
Copy:        422.4479      0.0758      0.0757      0.0758
Scale:       419.2815      0.0764      0.0763      0.0768
Add:         540.3517      0.0889      0.0888      0.0889
Triad:       540.2243      0.0889      0.0889      0.0900
 ----------------------------------------------------
 Solution Validates!
 ----------------------------------------------------

Dual run
----------------------------------------------
 Double precision appears to have 16 digits of accuracy
 Assuming 8 bytes per DOUBLE PRECISION word
----------------------------------------------
 Array size =    2000000
 Offset     =          0
 The total memory requirement is   45 MB
 You are running each test  20 times
 --
 The *best* time for each test is used
 *EXCLUDING* the first and last iterations
 ----------------------------------------------------
 Your clock granularity appears to be less than one microsecond
 Your clock granularity/precision appears to be      1 microseconds
 ----------------------------------------------------
Function     Rate (MB/s)  Avg time   Min time  Max time
Copy:        456.0225      0.0703      0.0702      0.0706
Scale:       460.9559      0.0696      0.0694      0.0702
Add:         568.3097      0.0854      0.0845      0.0904
Triad:       569.9561      0.0846      0.0842      0.0850
 ----------------------------------------------------
 Solution Validates!
 ----------------------------------------------------

Best regards,
-- 
  Steffen Persvold               Systems Engineer
  Email : mailto:sp at scali.no     Scali AS (http://www.scali.com)
  Tlf   : (+47) 22 62 89 50      Olaf Helsets vei 6
  Fax   : (+47) 22 62 89 51      N-0621 Oslo, Norway

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