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fft1d.ci
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fft1d.ci
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mainmodule fft1d {
readonly CProxy_Main mainProxy;
readonly int numChares;
readonly int N;
message fftMsg {
fftw_complex data[];
};
mainchare Main {
entry Main(CkArgMsg *m);
entry [reductiontarget] void FFTReady();
entry [reductiontarget] void FFTDone();
entry [reductiontarget] void printResidual(double residual);
};
array [1D] fft {
entry fft();
entry void getTranspose(fftMsg *m);
entry void initValidation();
entry void doFFT() {
for(iteration = 0; iteration < 3; ++iteration) {
atomic "transpose" {
if(thisIndex == 0)
CkPrintf("TRANSPOSING\n");
sendTranspose(iteration == 0 ? in : out);
}
for(count = 0; count < numChares; ++count)
when getTranspose[iteration] (fftMsg *m) atomic {
applyTranspose(m);
}
if (iteration < 2) atomic "compute" {
fftw_execute(p1);
if(iteration == 0)
twiddle(validating ? 1 : -1);
}
}
atomic {
if(!validating)
contribute(CkCallback(CkReductionTarget(Main,FFTDone), mainProxy));
else {
char filename[80];
sprintf(filename, "%d-%d.dump%d", numChares, N, thisIndex);
writeCommFile(n, in, filename);
calcResidual();
}
}
};
};
};