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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.
* ************************************************************************/
/*
* HER2 Generator
*/
//#define DEBUG_HER2
#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 "blas_kgen.h"
#include <kprintf.hpp>
#include <syr2_her2.clT>
#include <solution_seq.h>
extern "C"
unsigned int dtypeSize(DataType type);
static char Prefix[4];
static SolverFlags
solverFlags(void)
{
#ifdef DEBUG_HER2
printf("solverFlags called......\n");
#endif
return (SolverFlags)(SF_WSPACE_1D | SF_TOP_INPUT_SQUARE_BLOCKS);
}
static void
calcNrThreads(
size_t threads[2],
const SubproblemDim *subdims,
const PGranularity *pgran,
const void *args,
const void *extra);
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*);
extern "C"
void initHer2DefaultPattern(MemoryPattern *mempat);
static KernelExtraFlags
selectVectorization(
void *kargs,
unsigned int vlen );
static void
setBuildOpts(
char * buildOptStr,
const void *kArgs);
static bool
isFitToLDS(
SubproblemDim *dim,
DataType dtype,
cl_ulong ldsSize,
const void *kernelArgs);
static SolverOps her2Ops = {
generator,
assignKargs,
isFitToLDS,
NULL, // Prepare Translate Dims
NULL, // Inner Decomposition Axis
calcNrThreads,
NULL,
solverFlags,
NULL,
NULL,
NULL,
setBuildOpts,
selectVectorization
};
static KernelExtraFlags
selectVectorization(
void *args,
unsigned int vlen )
{
KernelExtraFlags kflags = KEXTRA_NO_FLAGS;
CLBlasKargs *kargs = (CLBlasKargs *)args;
if(kargs->uplo == clblasUpper)
{
if( (kargs->N) % vlen)
{
kflags = KEXTRA_NO_COPY_VEC_A;
}
}
if( kargs->pigFuncID == CLBLAS_HPR2 )
{
kflags = KEXTRA_NO_COPY_VEC_A; // Packed-case never do aligned access
}
return kflags;
}
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_COMPLEX_DOUBLE )
{
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-DDOUBLE_PRECISION");
#ifdef DEBUG_HER2
printf("Setting build options ... Double... for DOUBLE PRECISION support\n");
#endif
}
if( kargs->order == clblasRowMajor )
{
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-DHER2_ROWMAJOR");
#ifdef DEBUG_HER2
printf("Setting build options ... HERMITIAN2_ROWMAJOR... for row-major support\n");
#endif
}
if( kargs->pigFuncID == CLBLAS_HPR2 )
{
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-DPACKED");
}
//Build options for syr2_her2.clT to generate HER2 related code.
addBuildOpt( buildOptStr, BUILD_OPTS_MAXLEN, "-DHER2_ONLY");
return;
}
static CLBLASMpatExtra mpatExtra;
extern "C"
void initHer2DefaultPattern(MemoryPattern *mempat)
{
#ifdef DEBUG_HER2
printf("initHerDefaultPattern called with mempat = 0x%p\n", (void *)mempat);
fflush(stdout);
#endif
mempat->name = "LDS based her2";
mempat->nrLevels = 2;
mempat->cuLevel = 0;
mempat->thLevel = 1;
mempat->sops = &her2Ops;
mpatExtra.aMset = 0;
mpatExtra.bMset = CLMEM_LEVEL_LDS; // For "x" vector
//mpatExtra.cMset = CLMEM_LEVEL_LDS; // For "y" vector
mpatExtra.mobjA = CLMEM_GLOBAL_MEMORY;
mpatExtra.mobjB = CLMEM_GLOBAL_MEMORY;
//mpatExtra.mobjC = CLMEM_GLOBAL_MEMORY;
mempat->extra = &mpatExtra;
Prefix[TYPE_COMPLEX_FLOAT] = 'C';
Prefix[TYPE_COMPLEX_DOUBLE] = 'Z';
}
static void
calcNrThreads(
size_t threads[2],
const SubproblemDim *subdims,
const PGranularity *pgran,
const void *args,
const void *_extra)
{
int BLOCKSIZE = pgran->wgSize[0]; // 1D Block
#ifdef DEBUG_HER2
printf("calcNrThreads called from her2_lds.cpp\n");
#endif
const CLBlasKargs *kargs = (const CLBlasKargs *)args;
const CLBLASKernExtra *extra;
extra = ( CLBLASKernExtra *)_extra;
#ifdef DEBUG_HER2
printf("subdims->y : %d, subdims->x : %d\n", (int)subdims->y, (int)subdims->x);
#endif
size_t TARGETROWS = subdims->y ;
#ifdef DEBUG_HER2
printf("kargs-> N : %d, TARGETROWS: %d\n", (int)kargs->N, TARGETROWS);
#endif
size_t blocks = ((kargs->N - 1)/ TARGETROWS) + 1;
#ifdef DEBUG_HER2
printf("blocks : %d\n", blocks);
#endif
threads[0] = ((blocks * (blocks + 1)) / 2) * BLOCKSIZE;
#ifdef DEBUG_HER2
printf("pgran-wgSize[0] : %d, globalthreads[0] : %d\n", (int)pgran->wgSize[0], (int)threads[0]);
#endif
threads[1] = 1;
}
//
// FIXME: Report correct return value - Needs change in KPRINTF
//
static ssize_t
generator(
char *buf,
size_t buflen,
const struct SubproblemDim *subdims,
const struct PGranularity *pgran,
void *extra)
{
int BLOCKSIZE = pgran->wgSize[0];
char tempTemplate[64*1024];
char targetRows[10], blockSize[10];
if ( buf == NULL) // return buffer size
{
buflen = (64 * 1024 * sizeof(char));
return (ssize_t)buflen;
}
CLBLASKernExtra *extraFlags = ( CLBLASKernExtra *)extra;
#ifdef DEBUG_HER2
printf("HER2 GENERATOR called....\n");
#endif
clblasUplo uplo = ( extraFlags->flags & KEXTRA_UPPER_TRIANG) ? clblasUpper : clblasLower;
if ((subdims->y % extraFlags->vecLenA) != 0)
{
printf("WARNING: HER2: generator: TARGETROWS must be divisible by Vector Length\n");
return 0;
}
size_t TARGETROWS = 0;
( uplo == clblasLower )?
(strcpy(tempTemplate, (char*)syr2_her2_CL_kernel)) : (strcpy(tempTemplate, (char*)syr2_her2_CU_kernel));
TARGETROWS = subdims->y;
if ((BLOCKSIZE % TARGETROWS) != 0)
{
printf("WARNING: HER2: generator: Invalid Block Size\n");
return 0;
}
#ifdef DEBUG_HER2
printf("dataType : %c\n", Prefix[extraFlags->dtype]);
#endif
// FIXME: VECTORSIZE HARD CODED
// FIXME : SetKernelArgs.. sends offa, offx, and lda should be received as uint
unsigned int vecLenA = extraFlags->vecLenA;
#ifdef DEBUG_HER2
printf("Vector length used : %d\n\n", vecLenA);
#endif
bool doVLOAD = false;
if( extraFlags->flags & KEXTRA_NO_COPY_VEC_A )
{
doVLOAD = true;
#ifdef DEBUG_HER2
printf("DOing VLOAD as Aligned Data Pointer not Availabe\n");
#endif
}
else
{
#ifdef DEBUG_HER2
printf("Using Aligned Data Pointer .........................\n");
#endif
}
kprintf kobj( Prefix[extraFlags->dtype], vecLenA, doVLOAD, doVLOAD);
sprintf( targetRows, "%" SPREFIX "u", TARGETROWS );
sprintf( blockSize, "%d", BLOCKSIZE );
#ifdef DEBUG_HER2
printf("TARGET ROWS = %s\n", targetRows);
printf("BLOCK SIZE = %s\n", blockSize);
#endif
kobj.put("%TARGET_ROWS", (const char *)targetRows);
kobj.put("%BLOCKSIZE", (const char *) blockSize);
kobj.spit((char*)buf, tempTemplate);
return (64 * 1024 * sizeof(char));
// return 0;//(ret < 0) ? -EOVERFLOW : ret;
}
/*
( __global %TYPE* _A, __global const %TYPE* _X, __global const %TYPE* _Y, int N,
int offx, int incx, int offy, int incy, int offa, int lda, %TYPE alpha)
*/
static void
assignKargs(KernelArg *args, const void *params, const void*)
{
CLBlasKargs *blasArgs = (CLBlasKargs*)params;
cl_int inc;
INIT_KARG(&args[0], blasArgs->A); //A - input/output matrix - argument
INIT_KARG(&args[1], blasArgs->B); //X - x vector
INIT_KARG(&args[2], blasArgs->C); //Y - y vector
initSizeKarg(&args[3], blasArgs->N);
initSizeKarg(&args[4], blasArgs->offBX);
inc = blasArgs->ldb.vector;
INIT_KARG(&args[5], inc);
initSizeKarg(&args[6], blasArgs->offCY);
inc = blasArgs->ldc.vector;
INIT_KARG(&args[7], inc);
initSizeKarg(&args[8], blasArgs->offa);
initSizeKarg(&args[9], blasArgs->lda.matrix);
assignScalarKarg(&args[10], &(blasArgs->alpha), blasArgs->dtype);
return;
}
static bool
isFitToLDS(
SubproblemDim *dim,
DataType dtype,
cl_ulong ldsSize,
const void *kernelArgs)
{
cl_ulong maxSize;
CLBlasKargs *blasArgs;
blasArgs = (CLBlasKargs *)kernelArgs;
// 4 buffers for xShared, yShared, xSharedTrans and ySharedTrans and 2 integers for the values of iShared and jShared.
maxSize = (dim->y * 4 * sizeof(dtype)) + (2 * sizeof(int));
return ((maxSize) <= ldsSize);
}
//#undef DEBUG_HER2
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