[mira_talk] Re: multiple processors
- From: Brian Forde <bforde@xxxxxxxxx>
- To: mira_talk@xxxxxxxxxxxxx
- Date: Tue, 1 Dec 2009 11:44:19 +0000
Hi Lionel,
Thats what I have been using but with -GE:nop
thanks
Brian
On Tue, Dec 1, 2009 at 11:38 AM, Lionel Guy <guy.lionel@xxxxxxxxx> wrote:
> Hi Brian,
>
> AFAIK, MIRA uses multiple threads only for the skimming part (all against
> all comparison). You choose the number of threads to use at run time using
> -SK:not=<integer>
>
> From the manual (http://mira-assembler.sourceforge.net/docs/mira.html):
>
> The parameters for SKIM3:
>
> number_of_threads(not)=integer >= 1 Number of threads used in SKIM, default
> is 2. A few parts of SKIM are non-threaded, so the speedup is not exactly
> linear, but it should be very close. E.g., with 2 processors I get a speedup
> of 170%.
>
> Although the main data structures are shared between the threads, there's
> some additional memory needed for each thread.
>
> HTH,
>
> Lionel
>
>
> On 1 Dec 2009, at 12:09 , Brian Forde wrote:
>
> Hi
>>
>> You say mira supports multiple processors. Is there a flag when running
>> mira to do this or is it specified during installation
>>
>> regards
>>
>> Brian
>>
>
>
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