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// Copyright (c) 2017-2023, University of Tennessee. All rights reserved.
// SPDX-License-Identifier: BSD-3-Clause
// This program is free software: you can redistribute it and/or modify it under
// the terms of the BSD 3-Clause license. See the accompanying LICENSE file.
#include "test.hh"
#include "cblas_wrappers.hh"
#include "lapack_wrappers.hh"
#include "blas/flops.hh"
#include "print_matrix.hh"
#include "check_gemm.hh"
// -----------------------------------------------------------------------------
template <typename TA, typename TC>
void test_batch_syrk_device_work( Params& params, bool run )
{
using namespace testsweeper;
using blas::Op;
using blas::Layout;
using scalar_t = blas::scalar_type< TA, TC >;
using real_t = blas::real_type< scalar_t >;
// get & mark input values
blas::Layout layout = params.layout();
blas::Op trans_ = params.trans();
blas::Uplo uplo_ = params.uplo();
scalar_t alpha_ = params.alpha.get<scalar_t>();
scalar_t beta_ = params.beta.get<scalar_t>();
int64_t n_ = params.dim.n();
int64_t k_ = params.dim.k();
size_t batch = params.batch();
int64_t device = params.device();
int64_t align = params.align();
int64_t verbose = params.verbose();
// mark non-standard output values
params.gflops();
params.ref_time();
params.ref_gflops();
if (! run)
return;
if (blas::get_device_count() == 0) {
params.msg() = "skipping: no GPU devices or no GPU support";
return;
}
// setup
int64_t Am = (trans_ == Op::NoTrans ? n_ : k_);
int64_t An = (trans_ == Op::NoTrans ? k_ : n_);
if (layout == Layout::RowMajor)
std::swap( Am, An );
int64_t lda_ = roundup( Am, align );
int64_t ldc_ = roundup( n_, align );
size_t size_A = size_t(lda_)*An;
size_t size_C = size_t(ldc_)*n_;
TA* A = new TA[ batch * size_A ];
TC* C = new TC[ batch * size_C ];
TC* Cref = new TC[ batch * size_C ];
// device specifics
blas::Queue queue( device );
TA* dA = blas::device_malloc<TA>( batch * size_A, queue );
TC* dC = blas::device_malloc<TC>( batch * size_C, queue );
// pointer arrays
std::vector<TA*> Aarray( batch );
std::vector<TC*> Carray( batch );
std::vector<TC*> Crefarray( batch );
std::vector<TA*> dAarray( batch );
std::vector<TC*> dCarray( batch );
for (size_t i = 0; i < batch; ++i) {
Aarray[i] = A + i * size_A;
Carray[i] = C + i * size_C;
Crefarray[i] = Cref + i * size_C;
dAarray[i] = dA + i * size_A;
dCarray[i] = dC + i * size_C;
}
// info
std::vector<int64_t> info( batch );
// wrap scalar arguments in std::vector
std::vector<blas::Uplo> uplo(1, uplo_);
std::vector<blas::Op> trans(1, trans_);
std::vector<int64_t> n(1, n_);
std::vector<int64_t> k(1, k_);
std::vector<int64_t> lda(1, lda_);
std::vector<int64_t> ldc(1, ldc_);
std::vector<scalar_t> alpha(1, alpha_);
std::vector<scalar_t> beta(1, beta_);
int64_t idist = 1;
int iseed[4] = { 0, 0, 0, 1 };
lapack_larnv( idist, iseed, batch * size_A, A );
lapack_larnv( idist, iseed, batch * size_C, C );
lapack_lacpy( "g", n_, batch * n_, C, ldc_, Cref, ldc_ );
blas::device_copy_matrix(Am, batch * An, A, lda_, dA, lda_, queue);
blas::device_copy_matrix(n_, batch * n_, C, ldc_, dC, ldc_, queue);
queue.sync();
// norms for error check
real_t work[1];
real_t* Anorm = new real_t[ batch ];
real_t* Cnorm = new real_t[ batch ];
for (size_t s = 0; s < batch; ++s) {
Anorm[s] = lapack_lange( "f", Am, An, Aarray[s], lda_, work );
Cnorm[s] = lapack_lansy( "f", to_c_string( uplo_ ), n_, Carray[s], ldc_, work );
}
// decide error checking mode
info.resize( 0 );
// run test
testsweeper::flush_cache( params.cache() );
double time = get_wtime();
blas::batch::syrk( layout, uplo, trans, n, k, alpha, dAarray, lda, beta, dCarray, ldc,
batch, info, queue );
queue.sync();
time = get_wtime() - time;
double gflop = batch * blas::Gflop< scalar_t >::syrk( n_, k_ );
params.time() = time;
params.gflops() = gflop / time;
blas::device_copy_matrix(n_, batch * n_, dC, ldc_, C, ldc_, queue);
queue.sync();
if (params.ref() == 'y' || params.check() == 'y') {
// run reference
testsweeper::flush_cache( params.cache() );
time = get_wtime();
for (size_t s = 0; s < batch; ++s) {
cblas_syrk( cblas_layout_const(layout),
cblas_uplo_const(uplo_),
cblas_trans_const(trans_),
n_, k_, alpha_, Aarray[s], lda_, beta_, Crefarray[s], ldc_ );
}
time = get_wtime() - time;
params.ref_time() = time;
params.ref_gflops() = gflop / time;
// check error compared to reference
real_t err, error = 0;
bool ok, okay = true;
for (size_t s = 0; s < batch; ++s) {
check_herk( uplo_, n_, k_, alpha_, beta_, Anorm[s], Anorm[s], Cnorm[s],
Crefarray[s], ldc_, Carray[s], ldc_, verbose, &err, &ok );
error = std::max( error, err );
okay &= ok;
}
params.error() = error;
params.okay() = okay;
}
delete[] A;
delete[] C;
delete[] Cref;
delete[] Anorm;
delete[] Cnorm;
blas::device_free( dA, queue );
blas::device_free( dC, queue );
}
// -----------------------------------------------------------------------------
void test_batch_syrk_device( Params& params, bool run )
{
switch (params.datatype()) {
case testsweeper::DataType::Single:
test_batch_syrk_device_work< float, float >( params, run );
break;
case testsweeper::DataType::Double:
test_batch_syrk_device_work< double, double >( params, run );
break;
case testsweeper::DataType::SingleComplex:
test_batch_syrk_device_work< std::complex<float>, std::complex<float> >
( params, run );
break;
case testsweeper::DataType::DoubleComplex:
test_batch_syrk_device_work< std::complex<double>, std::complex<double> >
( params, run );
break;
default:
throw std::exception();
break;
}
}
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