Mike --
As a speed freak, you should pay attention to what timer.out can tell you.
As for the "call flush(6)" at line 171 of decoder.f90: it's there
(inside the loop) so that the GUI will display each decode immediately,
when it occurs, rather than when the loop is finished. If you remove
that call to flush, the O/S may decide to give you a list of decodes all
at once, at the end of the loop.
-- Joe, K1JT
On 10/17/2014 12:28 PM, Michael Black wrote:
> Well..yeah...speed..I would expect the "decode" phase to max out CPU until
> all decodes are done...hate to see idle electrons. I'm a speed freak.
> It doesn't appear to use 100% CPU (of even one core). Though I'm waiting
> for a really busy band to really see what it does.
> One thing I'm testing is I've removed the flush from decoder.f90 as being
> totally unnecessary (isn't it??) since there's a flush after the loop.
>
> --- decoder.f90 (revision 4198)
> +++ decoder.f90 (working copy)
> @@ -168,7 +168,7 @@
> ndecoded=1
> ccfok(iaa:ibb)=.false.
> done(iaa:ibb)=.true.
> - call flush(6)
> +! call flush(6)
> endif
> endif
> enddo
>
>
> Mike W9MDB
>
> -----Original Message-----
> From: Joe Taylor [mailto:j...@princeton.edu]
> Sent: Friday, October 17, 2014 11:03 AM
> To: WSJT software development
> Subject: Re: [wsjt-devel] Threading
>
> Hi Mike,
>
> On 10/16/2014 4:12 PM, Michael Black wrote:
>> Has any thought or attempt been given to multi-threading the decoding
>> process?
>
> To what end? Are you concerned about decoding speed? Have you looked at
> the statistics in file 'timer.out', results from the built-in execution
> profiler for jt9.exe ?
>
> -- Joe, K1JT
>
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