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/* ************************************************************************
* Copyright 2013 Advanced Micro Devices, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ************************************************************************/
/*
* Cached global buffers based symm generator
*/
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <clblas_stddef.h>
#include <clBLAS.h>
#include <blas_mempat.h>
#include <clkern.h>
#include <clblas-internal.h>
#include <kprintf.hpp>
#include <symm.clT>
#include <solution_seq.h>
//#define DEBUG_SYMM
extern "C"
unsigned int dtypeSize(DataType type);
static char Prefix[4];
static CLBLASMpatExtra mpatExtra;
extern "C"
unsigned int dtypeSize(DataType type);
static ssize_t
generator(
char *buf,
size_t buflen,
const struct SubproblemDim *subdims,
const struct PGranularity *pgran,
void *extra);
static void
assignKargs(KernelArg *args, const void *params, const void*);
/*
static void
calcNrThreads(
size_t threads[2],
const SubproblemDim *subdims,
const PGranularity *pgran,
const void *args,
const void *extra);
*/
static SolverFlags
solverFlags(void);
static void
setBuildOpts(
char * buildOptStr,
const void *kArgs);
static SolverOps symmSops = {
generator,
assignKargs,
NULL, //isFitLDS?
NULL, //prepareTranslateDims?
NULL, //DecomAxis
NULL, // calcNrThreads,
NULL, //ImagePackMode
solverFlags, //SolverFlags
NULL,
NULL,
NULL,
setBuildOpts, //Set Build Options
NULL
};
static void
setBuildOpts(
char * buildOptStr,
const void *args)
{
const SolutionStep *step = (const SolutionStep *)args;
const CLBlasKargs *kargs = (const CLBlasKargs *)(&step->args);
if ( kargs->dtype == TYPE_DOUBLE || kargs->dtype == TYPE_COMPLEX_DOUBLE)
{
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-DDOUBLE_PRECISION");
#ifdef DEBUG_TRMV
printf("Setting build options ... Double... for DOUBLE PRECISION support\n");
#endif
}
if (kargs->side == clblasLeft)
{
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-D__SYMM_LEFT__ ");
} else {
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-D__SYMM_RIGHT__");
}
if (kargs->uplo == clblasUpper)
{
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-D__SYMM_UPPER__");
} else {
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-D__SYMM_LOWER__");
}
if (kargs->order == clblasColumnMajor)
{
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-D__SYMM_COLMAJOR__");
} else {
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-D__SYMM_ROWMAJOR__");
}
strcat(buildOptStr, " -cl-mad-enable ");
#ifdef DEBUG_SYMM
printf("setBuildOptions: Setting to %s\n", buildOptStr);
#endif
return;
}
static SolverFlags
solverFlags(void)
{
return (SF_WSPACE_1D);
}
static ssize_t
generator(
char *buf,
size_t buflen,
const struct SubproblemDim *subdims,
const struct PGranularity *pgran,
void *extra)
{
CLBLASKernExtra *kextra = (CLBLASKernExtra*)extra;
KernelExtraFlags kflags = kextra->flags;
DataType dtype = kextra->dtype;
char tempTemplate[32*1024];
char itemx[10], itemy[10], width[10], itemy_by_width[10];
size_t Y, X, BLOCKSIZE, ITEMX, ITEMY;
if (buf == NULL)
{
buflen = 32*1024*sizeof(char);
return (ssize_t)buflen;
}
//
// Row-major is implemented in terms of column major routines
//
if ((kflags & KEXTRA_COLUMN_MAJOR) == 0)
{
return 0;
}
kprintf kobj(Prefix[dtype], kextra->vecLenA, true, true);
BLOCKSIZE = pgran->wgSize[0];
#ifdef DEBUG_SYMM
printf("SYMM- generator(): Blocksize passed = %lu, subdimy = %lu, subdimx = %lu, veclen = %lu \n", BLOCKSIZE, subdims->y, subdims->x, kextra->vecLenA);
#endif
Y = 16;
while (Y*(kextra->vecLenA) > subdims->y)
{
Y /= 2;
}
X = BLOCKSIZE/Y;
ITEMY = (subdims->y) / Y;
ITEMX = (subdims->x) / X;
if (ITEMX == 0)
{
ITEMX = 1;
}
if ((BLOCKSIZE % Y) || ((subdims->y) % Y) || ((subdims->x)%X) || (ITEMY % kextra->vecLenA))
{
printf("WARNING: SYMM- generator: subdim and blocksize in-compatible.\n");
}
sprintf(width, "%" SPREFIX "u", Y);
sprintf(itemy, "%" SPREFIX "u", ITEMY);
sprintf(itemx, "%" SPREFIX "u", ITEMX);
sprintf(itemy_by_width, "%" SPREFIX "u", (size_t) ITEMY/kextra->vecLenA);
kobj.put("%WIDTH", width);
kobj.put("%ITEMX", itemx);
kobj.put("%ITEMY", itemy);
kobj.put("%ITEMY_BY_V", itemy_by_width);
#ifdef DEBUG_SYMM
printf("ColMajor SYMM - WIDTH = %s, ITEMX = %s, ITEMY = %s\n", width, itemx, itemy);
#endif
strcpy(tempTemplate, SYMM_C_KERNEL);
kobj.spit(buf, tempTemplate);
#ifdef DEBUG_SYMM
printf("Kernel = \n%s\n", buf);
#endif
size_t tail = strlen(buf) + 1;
while(tail < 32*1024)
{
buf[tail++] = 0;
}
return 32*1024*sizeof(char);
}
/*
__kernel void symm_C_kernel( __global %TYPE const * restrict _A, __global %TYPE const * restrict _B, __global %TYPE *C,\n\
uint M, uint N, uint _lda, uint _ldb, int ldc, %TYPE alpha, %TYPE beta)
*/
static void
assignKargs(KernelArg *args, const void *params, const void*)
{
CLBlasKargs *blasArgs = (CLBlasKargs*)params;
#ifdef DEBUG_SYMM
printf("SAlpha=%f, DAlpha=%f, CAlpha =<%f, %f>, DAlpha=<%f, %f>\n",
blasArgs->alpha.argFloat, blasArgs->alpha.argDouble, CREAL(blasArgs->alpha.argFloatComplex), CIMAG(blasArgs->alpha.argFloatComplex),
CREAL(blasArgs->alpha.argDoubleComplex) , CIMAG(blasArgs->alpha.argDoubleComplex));
printf("SBeta=%f, DBeta=%f, CBeta=<%f, %f>, DBeta=<%f, %f>\n",
blasArgs->beta.argFloat, blasArgs->beta.argDouble, CREAL(blasArgs->beta.argFloatComplex), CIMAG(blasArgs->beta.argFloatComplex),
CREAL(blasArgs->beta.argDoubleComplex) , CIMAG(blasArgs->beta.argDoubleComplex));
#endif
INIT_KARG(&args[0], blasArgs->A); //A - input matrix - argument
INIT_KARG(&args[1], blasArgs->B);
INIT_KARG(&args[2], blasArgs->C);
initSizeKarg(&args[3], blasArgs->M);
initSizeKarg(&args[4], blasArgs->N);
initSizeKarg(&args[5], blasArgs->lda.matrix);
initSizeKarg(&args[6], blasArgs->ldb.matrix);
initSizeKarg(&args[7], blasArgs->ldc.matrix);
initSizeKarg(&args[8], blasArgs->offa); //PENDING: offA or offa ??
initSizeKarg(&args[9], blasArgs->offBX);
initSizeKarg(&args[10], blasArgs->offCY);
assignScalarKarg(&args[11], &(blasArgs->alpha), blasArgs->dtype);
assignScalarKarg(&args[12], &(blasArgs->beta), blasArgs->dtype);
return;
}
extern "C"
void
initSymmDefaultPattern(MemoryPattern *mempat)
{
mempat->name = "Cached global memory based block Symm";
mempat->nrLevels = 2;
mempat->cuLevel = 0;
mempat->thLevel = 1;
mempat->sops = &symmSops;
mpatExtra.aMset = CLMEM_LEVEL_L1;
mpatExtra.bMset = CLMEM_LEVEL_L1;
mpatExtra.mobjA = CLMEM_BUFFER;
mpatExtra.mobjB = CLMEM_BUFFER;
mempat->extra = &mpatExtra;
Prefix[TYPE_FLOAT] = 'S';
Prefix[TYPE_DOUBLE] = 'D';
Prefix[TYPE_COMPLEX_FLOAT] = 'C';
Prefix[TYPE_COMPLEX_DOUBLE] = 'Z';
return;
}
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