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Some final(?) tweaks and additions to the chkfft mini-package.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4838 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2014-12-18 21:06:21 +00:00
parent ccba704126
commit b9d5ebbb31
3 changed files with 2077 additions and 4 deletions
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2069
lib/all_fft.out Normal file
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File diff suppressed because it is too large Load Diff

2
lib/chkfft.f90
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@ -71,7 +71,7 @@ program chkfft
if(list .or. (nfft.gt.0)) then if(list .or. (nfft.gt.0)) then
n1=1 n1=1
n2=1 n2=1
if(nfft.eq.0) n2=999999 if(nfft.eq.-1) n2=999999
write(*,1020) write(*,1020)
1020 format(' NFFT Time rms MHz MFlops iters', & 1020 format(' NFFT Time rms MHz MFlops iters', &
' tplan'/61('-')) ' tplan'/61('-'))

10
lib/chkfft.txt
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@ -114,7 +114,11 @@ standard deviation 1. Tabulated values of "rms" are the
root-mean-square differences between the original data and the root-mean-square differences between the original data and the
back-transfmred data. back-transfmred data.
File nfft.dat contains all numbers between 2^3 and 2^23 that have File nfft.dat contains all numbers between 2^3 and 2^23 with no factor
no factor greater than 7, followed by their factors. These numbers greater than 7, followed by their factors. These numbers are good
are good choices for FFT lengths. choices for FFT lengths. File all_fft.out gives the result on one
machine of running the command
$ chkfft nfft.dat 0 1 1 2
Take note: this task may take as much as 24 hours, or even more!