On 17/10/2014 17:54, Joe Taylor wrote: > 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. Or to put it a different way, that flush is the current concurrency implementation as the jt9 and GUI processes run in parallel communicating via the console and shared memory. > > -- Joe, K1JT 73 Bill G4WJS. > > 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 >> >> ---------------------------------------------------------------------------- >> -- >> Comprehensive Server Monitoring with Site24x7. >> Monitor 10 servers for $9/Month. >> Get alerted through email, SMS, voice calls or mobile push notifications. >> Take corrective actions from your mobile device. >> http://p.sf.net/sfu/Zoho >> _______________________________________________ >> wsjt-devel mailing list >> wsjt-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/wsjt-devel >> >> >> ------------------------------------------------------------------------------ >> Comprehensive Server Monitoring with Site24x7. >> Monitor 10 servers for $9/Month. >> Get alerted through email, SMS, voice calls or mobile push notifications. >> Take corrective actions from your mobile device. >> http://p.sf.net/sfu/Zoho >> _______________________________________________ >> wsjt-devel mailing list >> wsjt-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/wsjt-devel > ------------------------------------------------------------------------------ > Comprehensive Server Monitoring with Site24x7. > Monitor 10 servers for $9/Month. > Get alerted through email, SMS, voice calls or mobile push notifications. > Take corrective actions from your mobile device. > http://p.sf.net/sfu/Zoho > _______________________________________________ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel
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