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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.
* ************************************************************************/
#include <stdio.h>
#include "../blas_kgen.h"
#include "trsm_kgen_legacy.h"
void
genUpdateIntermTrsmResult(
struct KgenContext *ctx,
const BlasGenSettings *gset,
const char *optFuncName,
const char *genericFuncName,
bool withMhitCond)
{
char tmp[1024];
const char *coordY, *coordX;
char *revAlp, *alp;
DataType dtype = gset->kextra->dtype;
KernelExtraFlags kflags = gset->kextra->flags;
const SubproblemDim *dim = &gset->subdims[1];
const KernelVarNames *kvarNames = &gset->varNames;
if (isComplexType(dtype)) {
if (dtype == TYPE_COMPLEX_FLOAT) {
revAlp = "div((float2)(-1.f, 0), alpha)";
alp = "(float2)(1.f, 0)";
}
else {
revAlp = "div((double2)(-1., 0), alpha)";
alp = "(double2)(1., 0)";
}
}
else {
revAlp = "-1. / alpha";
alp = "1.";
}
coordY = kvarNames->coordA;
coordX = kvarNames->coordB;
if (!(kflags & (KEXTRA_TAILS_M | KEXTRA_TAILS_N))) {
sprintf(tmp, "%s(B, c, %s, %s, %s, ldb, %s);\n",
optFuncName, alp, coordY, coordX, revAlp);
kgenAddStmt(ctx, tmp);
}
else {
if (withMhitCond) {
sprintf(tmp, "if ((%s < %s) && (%s < %s))",
coordY, kvarNames->sizeM, coordX, kvarNames->sizeN);
kgenBeginBranch(ctx, tmp);
}
else {
/* for x, y variables scope */
kgenBeginBranch(ctx, NULL);
}
sprintf(tmp, "uint y = min(%luu, %s - (uint)%s);\n"
"uint x = min(%luu, %s - (uint)%s);\n"
"if ((y == %luu) && (x == %luu)) {\n"
" %s(B, c, %s, %s, %s, ldb, %s);\n"
"}\n"
"else {\n"
" %s(B, c, %s, %s, %s, ldb, %s, y, x);\n"
"}\n",
dim->y, kvarNames->sizeM, coordY,
dim->x, kvarNames->sizeN, coordX,
dim->y, dim->x,
optFuncName, alp, coordY, coordX, revAlp,
genericFuncName, alp, coordY, coordX, revAlp);
kgenAddStmt(ctx, tmp);
kgenEndBranch(ctx, NULL);
}
}
void
genHeapTrsmResultToLDS(
struct KgenContext *ctx,
const BlasGenSettings *gset,
const char *funcName,
const char *dstName)
{
char tmp[1024];
char *alp;
unsigned int l1Pans;
DataType dtype = gset->kextra->dtype;
const SubproblemDim *dims = gset->subdims;
if(isComplexType(dtype)) {
if (dtype == TYPE_COMPLEX_FLOAT) {
alp = "(float2)(1.f, 0)";
}
else {
alp = "(double2)(1., 0)";
}
}
else {
alp = "1.";
}
l1Pans = (unsigned int)dims[0].x / (unsigned int)dims[1].x;
sprintf(tmp, "%s(%s, c, %s, (lid / %u * %lu), (lid %% %u * %lu), %lu);\n",
funcName, dstName, alp, l1Pans, dims[1].y, l1Pans, dims[1].x,
dims[0].bwidth);
kgenAddStmt(ctx, tmp);
}
void
genInvertingBlockFunc(
struct KgenContext *ctx,
size_t pitch,
DataType dtype,
KernelExtraFlags kflags)
{
char tmp[1024];
const char *ctype;
ctype = dtypeBuiltinType(dtype);
sprintf(tmp, "void\ninvert(__local %s *src, __local %s *dst, int lid, "
"int lastRow)\n", ctype, ctype);
kgenDeclareFunction(ctx, tmp);
kgenBeginFuncBody(ctx);
kgenAddStmt(ctx, "int i, k;\n");
if (isComplexType(dtype)) {
sprintf(tmp, "dst[lid * %lu + lid].x = 1.f;\n", pitch);
}
else {
sprintf(tmp, "dst[lid * %lu + lid] = 1.f;\n", pitch);
}
kgenAddStmt(ctx, tmp);
if (isMatrixUpper(kflags)) {
sprintf(tmp, "for (i = lastRow - 1; i >= 0; i--)");
}
else {
sprintf(tmp, "for (i = 0; i < lastRow; i++)");
}
kgenBeginBranch(ctx, tmp);
if (isComplexType(dtype)) {
sprintf(tmp, "dst[i * %lu + lid] = div(dst[i * %lu + lid], "
"src[i * %lu + i]);\n", pitch, pitch, pitch);
}
else {
sprintf(tmp, "dst[i * %lu + lid] = dst[i * %lu + lid] / "
"src[i * %lu + i];\n", pitch, pitch, pitch);
}
kgenAddStmt(ctx, tmp);
if (isMatrixUpper(kflags)) {
sprintf(tmp, "for (k = 0; k < i; k++)");
}
else {
sprintf(tmp, "for (k = i + 1; k < %lu; k++)", pitch);
}
kgenBeginBranch(ctx, tmp);
if (isComplexType(dtype)) {
sprintf(tmp, "dst[k * %lu + lid] = dst[k * %lu + lid] - "
"mul(src[k * %lu + i], dst[i * %lu + lid]);\n",
pitch, pitch, pitch, pitch);
}
else {
sprintf(tmp, "dst[k * %lu + lid] = dst[k * %lu + lid] - "
"dst[i * %lu + lid] * src[k * %lu + i];\n",
pitch, pitch, pitch, pitch);
}
kgenAddStmt(ctx, tmp);
kgenEndBranch(ctx, NULL);
kgenEndBranch(ctx, NULL);
kgenEndFuncBody(ctx);
}
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