Builds removed.

--
David Tiller
Sr. Architect/Lead Consultant | CapTech
(804) 304-0638 | [email protected]



On Jun 30, 2017, at 1:06 PM, Joe Taylor <[email protected]> wrote:

> David, Jay, and others --
> 
> We have been through this here before.
> 
> Anyone is welcome to build WSJT-X from source code, and use the results on 
> the air.  But please DO NOT post your pre-built binaries for others to 
> download.  This causes needless support problems for us.  We have no way of 
> knowing exactly what you did.  And if all you post is some sort of binary, 
> you're violating our GPL license.
> 
> Soon enough, when desirable new features have been added to the program, we 
> build and post "release candidate" installation packages that everyone can 
> use.  Such a time is not far off.
> 
> In the meantime, please "build your own", or be patient.
> 
>       -- Joe, K1JT    
> 
> On 6/30/2017 12:40 PM, Jay Hainline wrote:
>> Just some food for thought.
>> Some of these development builds could be compiled into a exe install
>> package once in a while and made available from the sourceforge site or
>> maybe a link from the WSJT home page or wsjtx.net for those who want to try
>> the new mode but are intimidated at installing JTSDK and building their own.
>> If you make it available from an "official" site, maybe it will discourage
>> 3rd party users of doing it on their own.
>> 73 Jay KA9CFD
>> -----Original Message-----
>> From: David Tiller [mailto:[email protected]]
>> Sent: June 30, 2017 14:57
>> To: WSJT software development <[email protected]>
>> Subject: Re: [wsjt-devel] FT8 notes
>> All,
>> Since Joe mentioned revision 7754, I unofficially built it for OSX 10.9+ and
>> uploaded it here:
>> https://drive.google.com/open?id=0B4DphHV_ItCZbjZDdmt2NnR2cHc
>> If you're a macOS user, I'll try to keep recent builds in the same directory
>> (if that's ok w/ Joe, et al, re: unofficial builds).
>> --
>> David Tiller
>> Sr. Architect/Lead Consultant | CapTech
>> (804) 304-0638 | [email protected]
>> On Jun 30, 2017, at 10:45 AM, Joe Taylor <[email protected]> wrote:
>>> Hi Steve,
>>> 
>>> Yes, 40 iterations for bp.
>>> 
>>> With norder=2 hardwired for everything I still get 574 good decodes.  So
>> at least in jt9.exe, with no attempt to move nfqso around, using norder=3
>> produces no more decodes.
>>> 
>>> Here are the timer results with norder=2:
>>> 
>>> Name                 Time  Frac     dTime dFrac    Calls
>>> ----------------------------------------------------------
>>> jt9                33.832  1.00     0.691  0.02        1
>>>  read_wav           0.164  0.00     0.164  0.00    27404
>>>  decft8            32.977  0.97     0.055  0.00      527
>>>   sync8             4.148  0.12     4.148  0.12      527
>>>   ft8b             28.773  0.85     0.090  0.00     2821
>>>    bpd174           1.641  0.05     1.641  0.05     2821
>>>    osd174          27.043  0.80    27.043  0.80     2210
>>> ----------------------------------------------------------
>>>                                    33.832  1.00
>>> 
>>>     -- Joe
>>> 
>>> On 6/30/2017 10:34 AM, Steven Franke wrote:
>>>> Joe,
>>>> Were these results obtained with 40 iterations for bp and norder = 3 for
>> signals at or within 10 Hz of nfqso? If so, it might be interesting to see
>> how the numbers would change if you dropped back to norder=2 for all
>> signals.
>>>> Steve
>>>>> On Jun 30, 2017, at 9:25 AM, Joe Taylor <[email protected]> wrote:
>>>>> 
>>>>> Hi all,
>>>>> 
>>>>> Thanks for a busy ~20 hours of many people testing FT8.  I now have
>> accumulated a directory with 527 *.wav files, each of which has at least one
>> visible FT8 signal.  The files were recorded at K1JT at either 14.079 or
>> 50.313 MHz.
>>>>> 
>>>>> Running the r7753 stand-alone slow-mode decoder jt9[.exe] on this
>> collection of files produces 574 valid decodes and 0 false decodes with
>> total execution time 39.8 s.  The average time to process a 15 s Rx sequence
>> on this machine (Core i7-6700 @ 3.4 GHz) is thus 39.8/527 = 0.076 s.  Not
>> bad!
>>>>> 
>>>>> Here's the detailed execution-time breakdown from timer.out:
>>>>> 
>>>>> Name                 Time  Frac     dTime dFrac    Calls
>>>>> ----------------------------------------------------------
>>>>> jt9                39.828  1.00     0.734  0.02        1
>>>>>  read_wav           0.121  0.00     0.121  0.00    27404
>>>>>  decft8            38.973  0.98     0.133  0.00      527
>>>>>   sync8             4.191  0.11     4.191  0.11      527
>>>>>   ft8b             34.648  0.87     0.051  0.00     2821
>>>>>    bpd174           1.480  0.04     1.480  0.04     2821
>>>>>    osd174          33.117  0.83    33.117  0.83     2210
>>>>> ----------------------------------------------------------
>>>>>                                    39.828  1.00
>>>>> 
>>>>> Note that 83% of the execution time is spent in routine osd174, 11% in
>> sync8, and 4% in bpd174 (a contraction for subroutine name bpdecode174).
>>>>> 
>>>>> It turns out that only 14 of the 574 decodes were produced by osd174,
>> the "ordered statistics" decoder.  The rest came from bpd174.  With osd174
>> deactivated, timer.out looks like this:
>>>>> 
>>>>> Name                 Time  Frac     dTime dFrac    Calls
>>>>> ----------------------------------------------------------
>>>>> jt9                 6.641  1.00     0.891  0.13        1
>>>>>  read_wav           0.168  0.03     0.168  0.03    27404
>>>>>  decft8             5.582  0.84     0.094  0.01      527
>>>>>   sync8             3.887  0.59     3.887  0.59      527
>>>>>   ft8b              1.602  0.24     0.109  0.02     2821
>>>>>    bpd174           1.492  0.22     1.492  0.22     2821
>>>>>    osd174           0.000  0.00     0.000  0.00     2210
>>>>> ----------------------------------------------------------
>>>>>                                     6.641  1.00
>>>>> 
>>>>> Now the average execution time for a 15 s Rx sequence is just 13 ms!
>>>>> 
>>>>> We need to keep decoding time very short -- say, well under 1 s -- so
>> that auto-sequencing, if not the human operator, can select proper responses
>> to received messages.  Fortunately, we already have good baseline
>> performance -- and we have a number of "knobs" to play with.
>>>>> 
>>>>>   -- Joe, K1JT
>>>>> 
>>>>> --------------------------------------------------------------------
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>>> 
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>> ----------------------------------------------------------------------------
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> 
> ------------------------------------------------------------------------------
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