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aaa04d9b60
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script to make test vectors using Python and the FFT module
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2003-12-05 03:40:53 +00:00 |
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72de907478
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minor doc changes
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2003-12-05 00:35:25 +00:00 |
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39d2974fe3
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'make snr' now tests 2d ffts
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2003-12-04 04:08:52 +00:00 |
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f3c4a9e9ca
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internal checkpoint
split kiss_fft.c into multiple files. It seems the best approach, all things considered.
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2003-12-04 02:38:50 +00:00 |
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164ab47a25
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*** empty log message ***
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2003-11-14 04:20:19 +00:00 |
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63e7df14cf
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fft prototype code for real fft works
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2003-11-14 02:11:57 +00:00 |
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968e277f93
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working on real optimization
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2003-11-14 01:37:31 +00:00 |
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673c7bafa4
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real_fft works
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2003-11-12 02:49:04 +00:00 |
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206e28f11c
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made the factorization a separate routine
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2003-11-12 01:09:35 +00:00 |
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140f106743
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benchmark utilities now give memory info
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2003-11-08 02:48:02 +00:00 |
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bd23fe8d23
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the path I was taking would only work for prime numbers (Galois fields)
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2003-11-08 01:42:15 +00:00 |
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e98f9ff29a
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going to bed
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2003-11-07 03:42:14 +00:00 |
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ae305ca400
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slightly faster
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2003-11-07 03:31:59 +00:00 |
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3a5791f203
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slightly faster
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2003-11-07 03:23:19 +00:00 |
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1486d89291
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faster
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2003-11-07 03:04:52 +00:00 |
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e9095a161c
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generic butterfly slightly slower -- hmmm
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2003-11-07 02:39:49 +00:00 |
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a296b09dbf
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wrong alloc size
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2003-11-07 01:06:44 +00:00 |
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cb5312efdc
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2d fft seems to work
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2003-11-06 03:59:31 +00:00 |
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4c458be5e9
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checkpoint -- I don't think I've broken anything (yet) adding 2d fft.
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2003-11-04 23:25:49 +00:00 |
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ee3094a0e4
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benchmark utilities
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2003-11-04 02:11:00 +00:00 |
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4ebf0b5aca
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aded a CHANGELOG
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2003-11-04 02:09:53 +00:00 |
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2788fba0bd
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added a CHANGELOG
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2003-11-04 02:09:48 +00:00 |
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8b4e3bacca
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minor comments and added some primes
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2003-11-04 02:00:01 +00:00 |
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6c8049cc75
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slight changes to Makefile
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2003-11-04 01:01:37 +00:00 |
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7b4de0aa11
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a little faster
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2003-11-03 04:30:50 +00:00 |
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ad4ee571aa
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faster radix5
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2003-11-03 04:04:01 +00:00 |
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0403fb3e4a
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radix 5 a little optimized
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2003-11-03 03:48:34 +00:00 |
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3c0c0431e2
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radix 5 works, but is 6x slower than fftw
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2003-11-03 03:03:16 +00:00 |
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85764e6437
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radix 5 doesn't work, but I thik it should.
just a checkpoint commit
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2003-11-01 16:48:33 +00:00 |
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8ac63adc77
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modified time benchmark to repeat same buffer over and over to avoid IO bottlenecks and get more consistent numbers.
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2003-11-01 04:44:50 +00:00 |
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471803ca08
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removed unused macro
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2003-11-01 04:26:02 +00:00 |
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7b7aefe7c4
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moved scratch buffer to stack variable
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2003-11-01 03:59:43 +00:00 |
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28551899e2
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radix 4 faster
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2003-11-01 03:49:53 +00:00 |
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d1df249536
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radix3 fixed point now works
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2003-10-31 04:01:09 +00:00 |
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b1969544a6
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radix 3 still doesn't work for fixed
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2003-10-30 03:00:49 +00:00 |
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d4f87befda
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re-added radix 3 butterfly
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2003-10-30 02:02:29 +00:00 |
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ca4c74e07c
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Woops, one should not test with input of all zeros
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2003-10-29 04:29:01 +00:00 |
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97b18f3fef
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comments
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2003-10-27 04:02:11 +00:00 |
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d9fcda04b6
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version 0.2 upload to sf
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2003-10-26 19:29:36 +00:00 |
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ecb1a76974
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added zip creation to tarball make target
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2003-10-26 04:25:18 +00:00 |
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1db3d91ee5
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getting ready for next release
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2003-10-26 04:07:32 +00:00 |
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52b4b9ab5c
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*** empty log message ***
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2003-10-18 01:45:26 +00:00 |
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c239ba2c1c
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slight code cleanup, comments
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2003-10-18 01:39:36 +00:00 |
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bca7fd5151
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compiles with -ansi -pedantic
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2003-10-18 01:23:34 +00:00 |
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e2470b3a03
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*** empty log message ***
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2003-10-18 00:33:38 +00:00 |
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a3d3217ae6
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*** empty log message ***
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2003-10-18 00:32:54 +00:00 |
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6f8bcedc24
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radix 3 fixed point still broken
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2003-10-17 02:59:32 +00:00 |
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31d4214f44
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radix 3 seems to be pretty fast
fixed point broken for some reason
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2003-10-17 02:34:22 +00:00 |
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73744b908c
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check point
fixed does not currently work for radix 3
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2003-10-17 01:26:14 +00:00 |
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317f11e66e
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starting point for radix 3
'make test' output
### testing SNR for 2187 point FFTs
#### DOUBLE
snr_t2f = 292.51
snr_f2t = 304.97
#### FLOAT
snr_t2f = 143.46
snr_f2t = 138.03
#### SHORT
snr_t2f = 49.257
snr_f2t = 16.294
#### timing 10000 x 2187 point FFTs
#### DOUBLE
Elapsed:0:05.05 user:3.60 sys:0.54
#### FLOAT
Elapsed:0:02.41 user:1.85 sys:0.23
#### SHORT
Elapsed:0:04.02 user:3.13 sys:0.08
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2003-10-17 00:11:19 +00:00 |
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