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Christopher A. Taylor 2017-06-03 16:08:12 -07:00 committed by GitHub
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@ -99,6 +99,7 @@ Encoder optimizations:
Unrolling is used in the code to accomplish both these optimizations. Unrolling is used in the code to accomplish both these optimizations.
* The final FFT can be truncated also if recovery set is not a power of 2. * The final FFT can be truncated also if recovery set is not a power of 2.
It is easy to truncate the FFT by ending the inner loop early. It is easy to truncate the FFT by ending the inner loop early.
* The decimation-in-time (DIT) FFT is employed to calculate two layers at a time, rather than writing each layer out and reading it back in for the next layer of the FFT.
#### Decoder algorithm: #### Decoder algorithm: