15 computer science collegians looking for a project

Martin Dengler martin at martindengler.com
Wed Apr 30 05:41:11 EDT 2008


On Wed, Apr 30, 2008 at 10:18:24AM +0200, NoiseEHC wrote:
> >http://homepages.cwi.nl/~manegold/Calibrator/
> >  
> Could you run on your machine and share the results? Currently I do 
> not have access to an XO.

Probably not the results you were looking for:

bash-3.2$ echo `cat /ofw/ec-name`
PQ2D13
bash-3.2$ echo `cat /ofw/model`
C2
bash-3.2$ echo `cat /boot/olpc_build`
joyride 1897
bash-3.2$ uname -r
2.6.22-20080408.1.olpc.de2a86ff3b60edc
bash-3.2$ gcc --version
gcc (GCC) 4.1.2 20070925 (Red Hat 4.1.2-27)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

bash-3.2$ gcc calibrator.c -o calibrator -lm
calibrator.c:132: warning: conflicting types for built-in function ÃoundÃ
bash-3.2$ ./calibrator 431 2M calibrator_OLPC_C2

Calibrator v0.9e
(by Stefan.Manegold at cwi.nl, http://www.cwi.nl/~manegold/)
b7b50008 -1212874744 4096 -4088
b7b50fff -1212870657 4096    -1
b7b51000 -1212870656 4096     0

MINTIME = 10000

analyzing cache throughput...
      range      stride       spots     brutto-  netto-time
    2621440           4      655360       12544        3136

analyzing cache latency...
      range      stride       spots     brutto-  netto-time
    2621440           4      655360      195740       97870

analyzing TLB latency...
      range      stride       spots     brutto-  netto-time
    3244032        1056        3072Segmentation fault
bash-3.2$

Martin
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