Hi Joe,

Thanks. I'm downloading the data now and will do some test runs later
this evening.

73's
Greg, KI7MT


On 07/30/2015 07:01 AM, Joe Taylor wrote:
> Hi Greg,
> 
> I have updated Makefile.win32 in ^/branches/wsjtx so that it builds 
> Steve's new wsprd_exp.exe correctly.
> 
> I have made a tarfile with the set of WSPR *.wav files I used most 
> recently.  It is now posted at
> 
> http://physics.princeton.edu/pulsar/K1JT/wspr_data.tgz
> 
> It's about 1 GB in size.
> 
>       -- Joe, K1JT
> 
> On 7/29/2015 11:52 PM, KI7MT wrote:
>> Hi Steve, Joe,
>>
>> I hit another show stopper error also. I'll look at what Joe is using in
>> ^/branches/wsjtx_exp and see what the diff's are from the main devel
>> branch.
>>
>> By chance, do you all have a standard set of WSPR .wav files that your
>> using to compare with? Would be nice to be able to use a standard set
>> for testing.
>>
>> 73's
>> Greg, KI7MT
>>
>>
>>
>> On 07/29/2015 07:36 PM, Steven Franke wrote:
>>> Greg -
>>> The windows Makefile has not been updated for the stack decoder. I’ve only 
>>> tested it on linux and osx. It looks like the Makefile in Joe’s 
>>> experimental branch is close to what would be needed - though it shouldn’t 
>>> need the extended stacksize anymore since we moved the big arrays to heap 
>>> storage.
>>> Steve k9an
>>>
>>>> On Jul 29, 2015, at 1:22 AM, Greg Beam<ki7m...@gmail.com>  wrote:
>>>>
>>>> Hi Joe, Steve,
>>>>
>>>> This is off list.
>>>>
>>>> I tried to build wsprd_exp on Windows (using Qt 5.2.1 Tool-Chain, not the 
>>>> 5.5 Tool-Chain) and ran into an error. I'm using 
>>>> ^/branches/wsjtx/lib/wsprd folder, and Makefile.win32, is that the correct 
>>>> location and Makefile file?
>>>>
>>>> Here's the error I'm getting:
>>>> -----
>>>> wsprd_exp.o:wsprd_exp.c:(.text.startup+0x244c): undefined reference to 
>>>> `jelinek'
>>>> collect2.exe: error: ld returned 1 exit status
>>>> Makefile.win32:34: recipe for target 'wsprd_exp' failed
>>>> mingw32-make: *** [wsprd_exp] Error 1
>>>> ----
>>>>
>>>> Any Ideas?
>>>>
>>>> 73's
>>>> Greg, KI7MT
>>>>
>>>>
>>>>
>>>> On 7/28/2015 1:49 PM, Steven Franke wrote:
>>>>> Hi Greg and Joe,
>>>>>
>>>>> As Joe said, the stack decoder is only in wsprd_exp and it requires a 
>>>>> command-line argument (-J) to activate it, as the default algorithm in 
>>>>> wsprd_exp is the Fano algorithm.
>>>>>
>>>>> The tests conducted by me and Joe show that my implementation of 
>>>>> Jelinek’s stack-bucket algorithm doesn’t seem to provide any significant 
>>>>> advantage over the Fano decoder in the wspr application. I am still 
>>>>> inclined to replace the current wsprd with the Fano version of wsprd_exp. 
>>>>> All of my tests indicate that the default configuration of wsprd_exp 
>>>>> produces more decodes in less time than wsprd does. This is due to 
>>>>> improvements in the sync algorithm and not due to anything related to the 
>>>>> sequential decoder. However --- when Joe compared wsprd to wsprd_exp 
>>>>> (Fano) he didn’t find any significant difference between the two. If you 
>>>>> decide to do some tests, Greg, it’d be interesting to see if you see any 
>>>>> difference between wsprd and wsprd_exp (with the default settings).
>>>>>
>>>>> Steve
>>>>>
>>>>>> On Jul 28, 2015, at 2:22 PM, Joe Taylor<j...@princeton.edu>  wrote:
>>>>>>
>>>>>> Hi Greg,
>>>>>>
>>>>>> The experimental ("Jelinek") decoder is currently being built only as
>>>>>> wsprd_exp.
>>>>>>          -- Joe
>>>>>>
>>>>>> On 7/28/2015 3:08 PM, Greg Beam wrote:
>>>>>>> Hi Joe, Steve,
>>>>>>>
>>>>>>> Are these updates in the main wsprd binary, or do we still need to build
>>>>>>> the wsprd_exp binary and copy it over to wsprd to test the changes?
>>>>>>>
>>>>>>> 73's
>>>>>>> Greg, KI7MT
>>>>>>>
>>>>>>> On 7/28/2015 12:22 PM, Joe Taylor wrote:
>>>>>>>> Hi Steve,
>>>>>>>>
>>>>>>>> Nice job with implementation of a sequential decoder using the Jelinek
>>>>>>>> Stack Algorithm!
>>>>>>>>
>>>>>>>> I have now run some reasonably thorough tests of it, comparing results
>>>>>>>> with the default Fano decoder in wsprd. I confirm essentially all of
>>>>>>>> your basic conclusions.  Jelinek with maxcycles=5000 produces nearly 
>>>>>>>> the
>>>>>>>> same results, in the same execution time, as Fano with maxcycles=10000.
>>>>>>>>
>>>>>>>> In my tests the command-line "-d" option produced about 7-8% more
>>>>>>>> decodes, at the cost of roughly 5 x longer execution time.  Again, this
>>>>>>>> was true for both Fano and Jelinek.
>>>>>>>>
>>>>>>>> Now we know... which is good!
>>>>>>>>
>>>>>>>>        -- Joe, K1JT
>>>>>>>>
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