Required to pick best AP masks in FT8 decoder
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2. "Call 1st" label turns red when armed to respond to a caller.
3. Suppress some recognizable false decodes, send them to cumulative file
"data_dir/false_decodes.txt".
4. Reduce sleep delay in decoder() to 10 ms.
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Reverted to default stack allocation for jt9.exe on Windows.
Tidied up FT8 decoder inteface to remove arguments that will probably
never be used.
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For FT8 mode:
1. Open LU 13 in the proper way.
2. Disable diagnostic LU 51.
3. Add keyboard shortcuts CTRL+Plus, CTRL-Minus, to adjust audio Tx frequency
in even 50 Hz steps.
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This code was causing the JT9 decoder to fail to decode, maybe due to
high noise levels and the resulting discontinuity introduced by
zeroing out samples.
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2. Send emedelay (now 0 or 2.5) to QRA64 decoder.
3. Tweaks to sync64, making it better for QRA64A.
4. Mainwindow MessageBox if it attempts to open a file with wrong format.
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1. Allow display of JT65 single-line decodes when there is also an
average decode.
5. Do not call JT4 deep search if Fano decode has succeeded.
7. Fix occasional Fortran error seen with the "#" (nflip=-1) sync.
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2. When switching to JT65 mode, go through JT9 first.
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Add test program fersum; several tweaks to fer65.
Code cleanup in lorentzian, and return chisqr in a(5).
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2. Make averaging and DS separately selecteble.
3. Clear nftt and avemsg on Clear Avg.
4. Allow fer65 to handle message averaging.
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1. Use "f" to flag FT decodes, 'h' for hinted decodes.
2. Let "Experience-based" checkboxes activate hinted decoding.
3. Singls-sequence decodes go to left window, average decodes to right.
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in submodes JT65B, C. More changes still to come!
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Fell into the Fortran trap for C/C++ programmers, automatic SAVE
attribute on default initialized variables.
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Re-factor the JT4, JT65 and JT9 decoders as Fortran modules using type
bound procedures, the decoder types implement a callback procedure
such that he client of the decoder can interpret the decode results as
they need.
The JT4 decoder has a second callback that delivers message averaging
status. Also the previously separate source files lib/jt4a.f90 and
lib/avg4.f90 have been merged into lib/jt4_decode.f90 as private type
bound procedures of the new jt4_decoder type.
Re-factored the lib/decoder.f90 subroutine to utilize the new decoder
types. Added local procedures to process decodes and averaging results
including the necessary OpenMP synchronization directives for parallel
JT9+JT65 decoding.
Added the jt65_test module which is a basic test harness for JT65
decoding. Re-factored the jt65 utility to utilize the new jt65_test
module.
Changed a few integers to logical variables where their meaning is
clearly binary.
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Groundwork for calling the decoders directly from C/C++ threads.
To access the timer module timer_module must now be used.
Instrumented code need only use the module function 'timer' which is
now a procedure pointer that is guaranteed to be associated (unless
null() is assigned to it, which should not be done). The default
behaviour of 'timer' is to do nothing.
If a Fortran program wishes to profile code it should now use the
timer_impl module which contains a default timer implementation. The
main program should call 'init_timer([filename])' before using 'timer'
or calling routines that are instrumented. If
'init_timer([filename])'. If it is called then an optional file name
may be provided with 'timer.out' being used as a default. The
procedure 'fini_timer()' may be called to close the file.
The default timer implementation is thread safe if used with OpenMP
multi-threaded code so long as the OpenMP thread team is given the
copyin(/timer_private/) attribute for correct operation. The common
block /timer_private/ should be included for OpenMP use by including
the file 'timer_common.inc'.
The module 'lib/timer_C_wrapper.f90' provides a Fortran wrapper along
with 'init' and 'fini' subroutines which allow a C/C++ application to
call timer instrumented Fortran code and for it to receive callbacks
of 'timer()' subroutine invocations. No C/C++ timer implementation is
provided at this stage.
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Also use correct C binding and have compilers determine sizes and
offsets.
The wsjtx.exe program now owns the decoder shared data that is shared
with symspec. It is now in struct dec_data, still a global variable
for now but hopefully a MainWindow member variable soon.
The struct dec_data (in both C/C++ and Fortran) has a sub structure
with the decoder parameters which enables copying and manipulating a
lot cleaner.
New of changed types of shared data must still be modified in
commons.h and a new file lib/jt9com.f90, they must stay in sync as a
pointer to the structure is passed between C and Fortran.
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This merge brings the WSPR feature development into the main line
ready for release in a future v1.6 release.
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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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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.
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Also limit the required threads for parallel decoding to 2.
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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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The long FFTs can now use the multi-threaded FFTW routines.
Subroutine decode9.f90 was renamed jt9fano.f90.
The JT9 decoder's top-level functions were removed from decoder.f90
and put into a separate subroutine decjt90.f90.
Subroutine decoder.f90 is now configured for possible use of OpenMP
SECTIONS, with the JT9 and JT65 decoders running concurrently on
a multi-core machine. Note, however, that this concurrent processing
is not yet fully implemented. Probably calls to timer need to be removed;
some variables used in calls to jt65a and decjt9 may need to be
declared PRIVATE in decoder; some sections probably need to be declared
CRITICAL; probably some SAVE statements in downstream routines have
made them not thread-safe; etc., etc.
I'm a neophyte at using OpenMP. Comments, suggestions, and/or tests by
others will be welcome!
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