1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
-- MAGMA (version 2.9.0) --
Univ. of Tennessee, Knoxville
Univ. of California, Berkeley
Univ. of Colorado, Denver
@date January 2025
@generated from testing/testing_zlacpy.cpp, normal z -> c, Wed Jan 22 14:40:22 2025
@author Mark Gates
*/
// includes, system
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
// includes, project
#include "magma_v2.h"
#include "magma_lapack.h"
#include "testings.h"
/* ////////////////////////////////////////////////////////////////////////////
-- Testing clacpy
*/
int main( int argc, char** argv)
{
TESTING_CHECK( magma_init() );
magma_print_environment();
real_Double_t gbytes, gpu_perf, gpu_time, cpu_perf, cpu_time;
float error, work[1];
magmaFloatComplex c_neg_one = MAGMA_C_NEG_ONE;
magmaFloatComplex *h_A, *h_B, *h_R;
magmaFloatComplex_ptr d_A, d_B;
magma_int_t M, N, size, lda, ldb, ldda, lddb;
magma_int_t ione = 1;
int status = 0;
magma_opts opts;
opts.parse_opts( argc, argv );
magma_uplo_t uplo[] = { MagmaLower, MagmaUpper, MagmaFull };
printf("%% uplo M N CPU GByte/s (ms) GPU GByte/s (ms) check\n");
printf("%%================================================================\n");
for( int iuplo = 0; iuplo < 3; ++iuplo ) {
for( int itest = 0; itest < opts.ntest; ++itest ) {
for( int iter = 0; iter < opts.niter; ++iter ) {
M = opts.msize[itest];
N = opts.nsize[itest];
lda = M;
ldb = lda;
ldda = magma_roundup( M, opts.align ); // multiple of 32 by default
lddb = ldda;
size = lda*N;
if ( uplo[iuplo] == MagmaLower ) {
// load & save lower trapezoid (with diagonal)
if ( M > N ) {
gbytes = 2. * sizeof(magmaFloatComplex) * (1.*M*N - 0.5*N*(N-1)) / 1e9;
} else {
gbytes = 2. * sizeof(magmaFloatComplex) * 0.5*M*(M+1) / 1e9;
}
}
else if ( uplo[iuplo] == MagmaUpper ) {
// load & save upper trapezoid (with diagonal)
if ( N > M ) {
gbytes = 2. * sizeof(magmaFloatComplex) * (1.*M*N - 0.5*M*(M-1)) / 1e9;
} else {
gbytes = 2. * sizeof(magmaFloatComplex) * 0.5*N*(N+1) / 1e9;
}
}
else {
// load & save entire matrix
gbytes = 2. * sizeof(magmaFloatComplex) * 1.*M*N / 1e9;
}
TESTING_CHECK( magma_cmalloc_cpu( &h_A, size ));
TESTING_CHECK( magma_cmalloc_cpu( &h_B, size ));
TESTING_CHECK( magma_cmalloc_cpu( &h_R, size ));
TESTING_CHECK( magma_cmalloc( &d_A, ldda*N ));
TESTING_CHECK( magma_cmalloc( &d_B, lddb*N ));
/* Initialize the matrix */
for( int j = 0; j < N; ++j ) {
for( int i = 0; i < M; ++i ) {
h_A[i + j*lda] = MAGMA_C_MAKE( i + j/10000., j );
h_B[i + j*ldb] = MAGMA_C_MAKE( i - j/10000. + 10000., j );
}
}
/* ====================================================================
Performs operation using MAGMA
=================================================================== */
magma_csetmatrix( M, N, h_A, lda, d_A, ldda, opts.queue );
magma_csetmatrix( M, N, h_B, ldb, d_B, lddb, opts.queue );
gpu_time = magma_sync_wtime( opts.queue );
//magmablas_clacpy( uplo[iuplo], M-2, N-2, d_A+1+ldda, ldda, d_B+1+lddb, lddb, opts.queue ); // inset by 1 row & col
magmablas_clacpy( uplo[iuplo], M, N, d_A, ldda, d_B, lddb, opts.queue );
gpu_time = magma_sync_wtime( opts.queue ) - gpu_time;
gpu_perf = gbytes / gpu_time;
/* =====================================================================
Performs operation using LAPACK
=================================================================== */
cpu_time = magma_wtime();
//magma_int_t M2 = M-2; // inset by 1 row & col
//magma_int_t N2 = N-2;
//lapackf77_clacpy( lapack_uplo_const(uplo[iuplo]), &M2, &N2, h_A+1+lda, &lda, h_B+1+ldb, &ldb );
lapackf77_clacpy( lapack_uplo_const(uplo[iuplo]), &M, &N, h_A, &lda, h_B, &ldb );
cpu_time = magma_wtime() - cpu_time;
cpu_perf = gbytes / cpu_time;
if ( opts.verbose ) {
printf( "A= " ); magma_cprint( M, N, h_A, lda );
printf( "B= " ); magma_cprint( M, N, h_B, ldb );
printf( "dA=" ); magma_cprint_gpu( M, N, d_A, ldda, opts.queue );
printf( "dB=" ); magma_cprint_gpu( M, N, d_B, lddb, opts.queue );
}
/* =====================================================================
Check the result
=================================================================== */
magma_cgetmatrix( M, N, d_B, lddb, h_R, lda, opts.queue );
blasf77_caxpy(&size, &c_neg_one, h_B, &ione, h_R, &ione);
error = lapackf77_clange("f", &M, &N, h_R, &lda, work);
printf("%5s %5lld %5lld %7.2f (%7.2f) %7.2f (%7.2f) %s\n",
lapack_uplo_const(uplo[iuplo]), (long long) M, (long long) N,
cpu_perf, cpu_time*1000., gpu_perf, gpu_time*1000.,
(error == 0. ? "ok" : "failed") );
status += ! (error == 0.);
magma_free_cpu( h_A );
magma_free_cpu( h_B );
magma_free_cpu( h_R );
magma_free( d_A );
magma_free( d_B );
fflush( stdout );
}
if ( opts.niter > 1 ) {
printf( "\n" );
}
}
printf( "\n" );
}
opts.cleanup();
TESTING_CHECK( magma_finalize() );
return status;
}
|
