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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
function test195 (dohack)
%TEST195 test all variants of saxpy3
% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
% SPDX-License-Identifier: Apache-2.0
fprintf ('test195 -------------- saxpy3 variants\n') ;
if (nargin < 1)
tasks = [ ] ;
end
if (isempty (tasks))
tasks = {
{1, 1, 1, 1, 1, 1, 1}, ... % ( 2, 2)
{1, 1, 4, 1, 1, 1, 1}, ... % ( 2, 4)
{1, 4, 1, 1, 1, 1, 1}, ... % ( 3, 7)
{2, 4, 1, 1, 1, 1, 1}, ... % ( 3, 10)
{4, 1, 1, 1, 1, 1, 1}, ... % ( 1, 11)
{4, 2, 1, 1, 1, 1, 1}, ... % ( 2, 13)
{4, 4, 1, 1, 1, 1, 1}, ... % ( 1, 14)
{1, 1, 1, 1, 2, 1, 1}, ... % ( 2, 16)
{1, 1, 4, 1, 2, 1, 65536}, ... % ( 2, 18)
{4, 2, 8, 1, 2, 3, 1}, ... % ( 1, 19)
{1, 8, 1, 1, 3, 1, 1}, ... % ( 3, 22)
{2, 8, 1, 1, 3, 1, 1}, ... % ( 2, 24)
{1, 4, 4, 2, 1, 1, 1}, ... % ( 1, 25)
{1, 1, 1, 2, 3, 1, 1}, ... % ( 1, 26)
{1, 8, 1, 2, 3, 1, 1}, ... % ( 1, 27)
{8, 1, 1, 3, 1, 1, 1}, ... % ( 2, 29)
{8, 2, 1, 3, 1, 1, 1}, ... % ( 1, 30)
{8, 4, 1, 3, 1, 1, 1}, ... % ( 1, 31)
} ;
end
track_coverage = false ;
if (track_coverage)
global GraphBLAS_grbcov
track_coverage = ~isempty (GraphBLAS_grbcov) ;
clast = sum (GraphBLAS_grbcov > 0) ;
cfirst = clast ;
end
rng ('default') ;
[nthreads_orig chunk_orig] = nthreads_get ;
% save current global settings, then modify them
save_hack = GB_mex_hack ;
hack = save_hack ;
if (nargin < 1)
dohack = 2 ;
end
hack (1) = dohack ; GB_mex_hack (hack) ; % "very_costly" in saxpy3
k = 3 ;
n = 4 ;
m = 200 ;
desc.axb = 'hash' ;
desc_s.axb = 'hash' ; desc_s.mask = 'structural' ;
dnot.axb = 'hash' ; dnot.mask = 'complement' ;
dnot_s.axb = 'hash' ; dnot_s.mask = 'structural complement' ;
semiring.multiply = 'times' ;
semiring.add = 'plus' ;
semiring.class = 'double' ;
densities = [0.01 .1 inf] ;
% generate the test matrices
for ka = 1:3
da = densities (ka) ;
AA {ka} = GB_spec_random (m, k, da) ;
end
for kb = 1:3
db = densities (kb) ;
BB {kb} = GB_spec_random (k, n, db) ;
end
for km = 1:3
dm = densities (km) ;
M = GB_spec_random (m, n, dm) ;
M.matrix = spones (M.matrix) ;
MM {km} = M ;
end
% run the tests
for kk = 1:length(tasks)
task = tasks {kk} ;
asparsity = task {1} ;
bsparsity = task {2} ;
msparsity = task {3} ;
ka = task {4} ;
kb = task {5} ;
km = task {6} ;
chunk = task {7} ;
A = AA {ka} ;
B = BB {kb} ;
M = MM {km} ;
A.sparsity = asparsity ;
B.sparsity = bsparsity ;
M.sparsity = msparsity ;
nthreads_set (nthreads_orig, chunk_orig) ;
% C = A*B
C0 = A.matrix * B.matrix ;
C1 = GB_spec_mxm (C0, [ ], [ ], semiring, A, B, desc) ;
C2 = GB_mex_mxm (C0, [ ], [ ], semiring, A, B, desc) ;
GB_spec_compare (C1, C2, 0, 1e-12) ;
err = norm (C0 - C2.matrix, 1) ;
assert (err < 1e-12) ;
nthreads_set (nthreads_orig, chunk) ;
% C<M> = A*B
C0 = (A.matrix * B.matrix) .* M.matrix ;
C1 = GB_spec_mxm (C0, M, [ ], semiring, A, B, desc) ;
C2 = GB_mex_mxm (C0, M, [ ], semiring, A, B, desc) ;
GB_spec_compare (C1, C2, 0, 1e-12) ;
err = norm (C0 - C2.matrix, 1) ;
assert (err < 1e-12) ;
% C<!M> = A*B
C0 = (A.matrix * B.matrix) .* (1 - M.matrix) ;
C1 = GB_spec_mxm (C0, M, [ ], semiring, A, B, dnot) ;
C2 = GB_mex_mxm (C0, M, [ ], semiring, A, B, dnot) ;
GB_spec_compare (C1, C2, 0, 1e-12) ;
err = norm (C0 - C2.matrix, 1) ;
assert (err < 1e-12) ;
% C<M,struct> = A*B
C0 = (A.matrix * B.matrix) .* M.matrix ;
C1 = GB_spec_mxm (C0, M, [ ], semiring, A, B, desc_s) ;
C2 = GB_mex_mxm (C0, M, [ ], semiring, A, B, desc_s) ;
GB_spec_compare (C1, C2, 0, 1e-12) ;
err = norm (C0 - C2.matrix, 1) ;
assert (err < 1e-12) ;
% C<!M,struct> = A*B
C0 = (A.matrix * B.matrix) .* (1 - M.matrix) ;
C1 = GB_spec_mxm (C0, M, [ ], semiring, A, B, dnot_s) ;
C2 = GB_mex_mxm (C0, M, [ ], semiring, A, B, dnot_s) ;
GB_spec_compare (C1, C2, 0, 1e-12) ;
err = norm (C0 - C2.matrix, 1) ;
assert (err < 1e-12) ;
if (track_coverage)
c = sum (GraphBLAS_grbcov > 0) ;
d = c - clast ;
if (d > 0)
fprintf ('{%d, %d, %d, %d, %d, %d, %6d},', ...
asparsity, bsparsity, msparsity, ka, kb, km, chunk) ;
fprintf (' ... %% (%3d, %3d)\n', d, c-cfirst) ;
end
clast = c ;
else
fprintf ('.') ;
end
end
% restore global settings
GB_mex_hack (save_hack) ;
nthreads_set (nthreads_orig, chunk_orig) ;
fprintf ('\ntest195: all tests passed\n') ;
|
