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FFT App Implementation (WIP)#12

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bholt wants to merge 24 commits intomasteruwsampa/grappa:masterfrom bholt-app-fftuwsampa/grappa:bholt-app-fftCopy head branch name to clipboard

+454,704-104

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Commits on Nov 14, 2012

• Add Grappa_memcpy, move memset out to Array.hpp, add test cases, update includes.

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• Add FFTW for reference (and possibly using it as subroutine)

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• Skeleton of grappa fft, doing random generation of complex doubles.

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• Started implementing fft as forall_local (intermediate)

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• More work on FFT, need forall_local to support extra argument.

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• Implemented most of FFT (without compiling) but need memcpy.

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• Make forall_local_async work for complex<double>

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• First complete *running* version of FFT, not verified correct.

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Commits on Nov 16, 2012

• Ignore autogenerated fftw files.

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• Verify Grappa FFT against local FFTW (Grappa impl. is incorrect)

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• Fix syncronization for forall_local_blocking.

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• Working version of FFT (was missing weird bit reversing stuff)

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• Clean up FFT stuff (do real verify, get rid of extra prints)

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Commits on Nov 19, 2012

• Fix size printout.

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• Be less picky in verify.

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• Fix dump_stats call.

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• fft: (exp. scripts)

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Commits on Nov 24, 2012

• FFT performance metric (scales as O(N*log(N))

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• Implement MPI version of FFT with FFTW-MPI.

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Commits on Nov 27, 2012

• Extra include for compiling on OSX.

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• Minor changes to MPI FFT output.

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• Starting version that uses FFTW locally.

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Commits on Dec 6, 2012

• Start writing version which uses FFTW locally.

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• X10 FFT implementation (example of PGAS using FFTW).

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