Changes between Version 39 and Version 40 of DataParallel/BenchmarkStatus


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Timestamp:
Mar 9, 2009 12:26:51 PM (6 years ago)
Author:
chak
Comment:

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  • DataParallel/BenchmarkStatus

    v39 v40  
    103103As on !LimitingFactor, but it scales much more nicely and improves until using four threads per core.  This suggets that memory bandwidth is again a critical factor in this benchmark (this fits well with earlier observations on other architectures). 
    104104 
    105 On this machine, "SMVM primitives" also has a quirk from 2 to 4 threads.  This re-enforces the suspicion that this is a scheduling problem. 
     105On this machine, "SMVM primitives" & "SMVM, vectorised" also have a quirk from 2 to 4 threads.  This re-enforces the suspicion that this is a scheduling problem.