This merge brings the WSPR feature development into the main line
ready for release in a future v1.6 release.
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Better AFC (wider range of possible drifts; more accurate DT alignment).
Better definition of metric tables used by Fano decoder.
Zero-centeres soft symbols, instead of offset +128.
Tuned several empirical parameters.
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limits on sync and schk. (Probably still more to come...)
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procedure; better window functions for some FFTs, resulting in
better decoder performance; User-selectable colors for backgrounds
of decoded messages. NB: more testing is desirable!
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Options have been added to control frequency cut off values, mode and, Tx mode.
The comand line parser now has optional long option names and usage help.
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Outputo buffer flush commands have been added after each decoded message output
to ensure that other processes get timely updates of newly decoded messages.
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This requires setting newdat=0 after the big FFT is computed. In the OMP
code this must be done separately for each mode; so new variables newdat9
and newdat65 have been defined. Both are set to "newdat", the value
forwarded from the GUI, each time jt9[_omp][.exe] goes into action.
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Also moved the same large array from stack to heap which along with
other prior changes now allows the Windows jt9 OpenMP executable to
run with a default stack size again.
This also removes a crash on the Mac version which was probably due to
excessive stack usage.
Net result is an even faster JT9 decoder.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4942 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
calls to a subroutine. I believe this fixes the known outstanding decode
issue.
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This is only a temporary fix becuase if both decoders were to produce
results that need accumulating e.g. number of decodes, then more
complex code to merge the results would be needed.
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Accounts for each traced call per thread and accumulates by rolling up
calls with an identical call chain before printing the statistics. The
print now accounts for function calls in their call chain so the same
function will be reported more than once if it is called in different
places.
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Disable timer.out generation in OpenMP builds as it is broken.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4931 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
Also limit the required threads for parallel decoding to 2.
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More detailed message to come, with comparative timing statistics.
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This tries to account for function calls in different threads
separately by decorating the function name with the thread number it
is running in. This may not be the best strategy for performance
timing but it is the easiest way of making it thread safe that I can
see.
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This change introduces the program jt9_omp which is a testbed for a
multi-threaded version of the jt9 decoder program. The program jt9_omp
should be a directly substitutable for jt9 except that JT65 and JT9
decodes are computed in parallel.
Also enable the OpenMP directives in decoder.f90 - note this is not
yet a working multi-threaded decoder and the existing jt9 is still the
correct decoder to be used in WSJT-X.
Increased the available stack size for jt9_omp.exe as this is a hard
limit on Windows and the default is not big enough for the OpenMP
version of jt9.
Also Fortran array bounds checking is now disabled for Release
configuration builds so as to improve performance a little.
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