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annotate example/fft/ppe/transpose.cc @ 1557:786ab4ad682e draft

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add fft ppe example
author Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
date Sat, 09 Mar 2013 21:15:23 +0900
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children 3df1868130cb
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1557
786ab4ad682e add fft ppe example
Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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1 #include "transpose.h"
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2 #ifdef __APPLE__
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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3 #include <OpenCL/opencl.h>
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4 #else
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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5 #include <CL/cl.h>
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6 #endif
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7
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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8 SchedDefineTask1(transpose,transpose);
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9
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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10 static int
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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11 transpose(SchedTask* s,void* rbuf,void* wbuf)
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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12 {
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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13 cl_float2* src = (cl_float2*)s->get_input(rbuf,0);
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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14 int* n = (int*)s->get_input(rbuf,1);
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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15 cl_float2* dst = (cl_float2*)s->get_output(wbuf,0);
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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16 unsigned int xgid = (unsigned int)s->get_cpuid();
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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17 unsigned int ygid = (unsigned int)s->get_cpuid();
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18
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19 unsigned int iid = ygid * n[0] + xgid;
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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20 unsigned int oid = xgid * n[0] + ygid;
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21
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22 dst[oid] = src[iid];
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23
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Shohei KOKUBO <e105744@ie.u-ryukyu.ac.jp>
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24 return 0;
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25 }