Re: [bgl-discuss] -pg or the hpc tools

[Katherine M Riley <kmriley@xxxxxxxxxxxxxxxxxx>]

I did try just doing one at a time.  The (vague) results I listed  
were for each running independently.  Hm - have you had success on  
our BG/L?  This might be something FLASH-like that is breaking things.

-katherine

On Sep 16, 2005, at 8:01 PM, Bob Walkup wrote:

> The BG/L performance counters normally use the interval timer  
> facility to prevent counter wrap-around, but the interval timer is  
> also needed by the profiling mechanism enabled via -pg.  So you  
> can't do both at the same time.  Using one at a time, either  
> profiling with -pg, or the using performance counters, should be  
> OK, and I have had some success with profiling real apps in that way.
>
> Regards,
> Bob Walkup (walkup@xxxxxxxxxx, 914-945-1512)
> ---------------------------------------------------------------------- 
> ---
>
>
> Katherine M Riley <kmriley@xxxxxxxxxxxxxxxxxx>
> Sent by: owner-discuss@xxxxxxxxxxxxxxx
> 09/16/2005 08:52 PM
>
>
>         To:
>         cc:
>         Subject:        [bgl-discuss] -pg or the hpc tools
>
>
>
>
> Has anyone got an actual complex code successfully running using the
> IBM hpm tools and/or -pg?  I can get some trivial code snippets
> running but I cannot get real codes to run.
>
> For example, the -pg/profiling option always core dumps the code.
> And, even using the explicit examples in /soft/tool/hpct for the more
> involved perf. stuff my codes die with an immediate abort..
>
> -katherine
>
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