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/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@generated from testing/testing_ztrmv.cpp, normal z -> c, Wed Jan 22 14:40:20 2025
@author Chongxiao Cao
*/
// includes, system
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
// includes, project
#include "flops.h"
#include "magma_v2.h"
#include "magma_lapack.h"
#include "testings.h"
/* ////////////////////////////////////////////////////////////////////////////
-- Testing ctrmv
*/
int main( int argc, char** argv)
{
#ifdef MAGMA_HAVE_OPENCL
#define dA(i_, j_) dA, ((i_) + (j_)*ldda)
#define dx(i_) dx, ((i_))
#else
#define dA(i_, j_) (dA + (i_) + (j_)*ldda)
#define dx(i_) (dx + (i_))
#endif
TESTING_CHECK( magma_init() );
magma_print_environment();
real_Double_t gflops, magma_perf, dev_perf, magma_time, dev_time, cpu_perf, cpu_time;
float magma_error, dev_error, work[1];
magma_int_t N;
magma_int_t Ak;
magma_int_t sizeA;
magma_int_t lda, ldda;
magma_int_t ione = 1;
magma_int_t ISEED[4] = {0,0,0,1};
magmaFloatComplex *hA, *hx, *hxmagma, *hxdev;
magmaFloatComplex_ptr dA, dx;
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
int status = 0;
magma_opts opts;
opts.parse_opts( argc, argv );
// Allow 3*eps; complex needs 2*sqrt(2) factor; see Higham, 2002, sec. 3.6.
float eps = lapackf77_slamch("E");
float tol = 3 * eps;
printf("%% If running lapack (option --lapack), MAGMA and %s errors are both computed\n"
"%% relative to CPU BLAS result. Else, MAGMA error is computed relative to %s result.\n\n",
g_platform_str, g_platform_str );
printf("%% uplo = %s, transA = %s, diag = %s \n",
lapack_uplo_const(opts.uplo), lapack_trans_const(opts.transA),
lapack_diag_const(opts.diag) );
printf("%% N MAGMA Gflop/s (ms) %s Gflop/s (ms) CPU Gflop/s (ms) MAGMA error %s error\n", g_platform_str, g_platform_str);
printf("%%=================================================================================================\n");
for( int itest = 0; itest < opts.ntest; ++itest ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
N = opts.nsize[itest];
gflops = FLOPS_CTRMM(opts.side, N, 1) / 1e9;
lda = N;
Ak = N;
ldda = magma_roundup( lda, opts.align ); // multiple of 32 by default
sizeA = lda*Ak;
TESTING_CHECK( magma_cmalloc_cpu( &hA, lda*Ak ));
TESTING_CHECK( magma_cmalloc_cpu( &hx, N ));
TESTING_CHECK( magma_cmalloc_cpu( &hxmagma, N ));
TESTING_CHECK( magma_cmalloc_cpu( &hxdev, N ));
TESTING_CHECK( magma_cmalloc( &dA, ldda*Ak ));
TESTING_CHECK( magma_cmalloc( &dx, N ));
/* Initialize the matrices */
lapackf77_clarnv( &ione, ISEED, &sizeA, hA );
lapackf77_clarnv( &ione, ISEED, &N, hx );
// for error checks
float Anorm = lapackf77_clange( "F", &N, &N, hA, &lda, work );
float Xnorm = lapackf77_clange( "F", &N, &ione, hx, &N, work );
/* =====================================================================
Performs operation using MAGMABLAS
=================================================================== */
magma_csetmatrix( Ak, Ak, hA, lda, dA(0,0), ldda, opts.queue );
magma_csetvector( N, hx, 1, dx(0), 1, opts.queue );
magma_time = magma_sync_wtime( opts.queue );
magmablas_ctrmv( opts.uplo, opts.transA, opts.diag,
N,
dA(0,0), ldda,
dx(0), 1, opts.queue );
magma_time = magma_sync_wtime( opts.queue ) - magma_time;
magma_perf = gflops / magma_time;
magma_cgetvector( N, dx(0), 1, hxmagma, 1, opts.queue );
/* =====================================================================
Performs operation using cuBLAS / clBLAS
=================================================================== */
magma_csetvector( N, hx, 1, dx(0), 1, opts.queue );
dev_time = magma_sync_wtime( opts.queue );
magma_ctrmv( opts.uplo, opts.transA, opts.diag,
N,
dA(0,0), ldda,
dx(0), 1, opts.queue );
dev_time = magma_sync_wtime( opts.queue ) - dev_time;
dev_perf = gflops / dev_time;
magma_cgetvector( N, dx(0), 1, hxdev, 1, opts.queue );
/* =====================================================================
Performs operation using CPU BLAS
=================================================================== */
if ( opts.lapack ) {
cpu_time = magma_wtime();
blasf77_ctrmv( lapack_uplo_const(opts.uplo), lapack_trans_const(opts.transA), lapack_diag_const(opts.diag),
&N,
hA, &lda,
hx, &ione );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gflops / cpu_time;
}
/* =====================================================================
Check the result
=================================================================== */
if ( opts.lapack ) {
// See testing_cgemm for formula. Here K = N.
// initial C = 0, alpha = 1
blasf77_caxpy( &N, &c_neg_one, hx, &ione, hxmagma, &ione );
magma_error = lapackf77_clange( "F", &N, &ione, hxmagma, &N, work )
/ (sqrt(float(N+2))*Anorm*Xnorm);
blasf77_caxpy( &N, &c_neg_one, hx, &ione, hxdev, &ione );
dev_error = lapackf77_clange( "F", &N, &ione, hxdev, &N, work )
/ (sqrt(float(N+2))*Anorm*Xnorm);
bool okay = (magma_error < tol && dev_error < tol);
status += ! okay;
printf("%5lld %7.2f (%7.2f) %7.2f (%7.2f) %7.2f (%7.2f) %8.2e %8.2e %s\n",
(long long) N,
magma_perf, 1000.*magma_time,
dev_perf, 1000.*dev_time,
cpu_perf, 1000.*cpu_time,
magma_error, dev_error, (okay ? "ok" : "failed"));
}
else {
blasf77_caxpy( &N, &c_neg_one, hxdev, &ione, hxmagma, &ione );
magma_error = lapackf77_clange( "F", &N, &ione, hxmagma, &N, work )
/ (sqrt(float(N+2))*Anorm*Xnorm);
bool okay = (magma_error < tol);
status += ! okay;
printf("%5lld %7.2f (%7.2f) %7.2f (%7.2f) --- ( --- ) %8.2e --- %s\n",
(long long) N,
magma_perf, 1000.*magma_time,
dev_perf, 1000.*dev_time,
magma_error, (okay ? "ok" : "failed"));
}
magma_free_cpu( hA );
magma_free_cpu( hx );
magma_free_cpu( hxmagma );
magma_free_cpu( hxdev );
magma_free( dA );
magma_free( dx );
fflush( stdout );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
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