1 /***************************************************************************
2 Copyright (c) 2011-2016, The OpenBLAS Project
3 All rights reserved.
4
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are
7 met:
8
9 1. Redistributions of source code must retain the above copyright
10 notice, this list of conditions and the following disclaimer.
11
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in
14 the documentation and/or other materials provided with the
15 distribution.
16
17 3. Neither the name of the OpenBLAS project nor the names of
18 its contributors may be used to endorse or promote products
19 derived from this software without specific prior written permission.
20
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
25 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
30 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31
32 *****************************************************************************/
33
34 #include "common.h"
35
36 static int openblas_env_verbose=0;
37 static unsigned int openblas_env_thread_timeout=0;
38 static int openblas_env_block_factor=0;
39 static int openblas_env_openblas_num_threads=0;
40 static int openblas_env_goto_num_threads=0;
41 static int openblas_env_omp_num_threads=0;
42
openblas_verbose()43 int openblas_verbose() { return openblas_env_verbose;}
openblas_thread_timeout()44 unsigned int openblas_thread_timeout() { return openblas_env_thread_timeout;}
openblas_block_factor()45 int openblas_block_factor() { return openblas_env_block_factor;}
openblas_num_threads_env()46 int openblas_num_threads_env() { return openblas_env_openblas_num_threads;}
openblas_goto_num_threads_env()47 int openblas_goto_num_threads_env() { return openblas_env_goto_num_threads;}
openblas_omp_num_threads_env()48 int openblas_omp_num_threads_env() { return openblas_env_omp_num_threads;}
49
openblas_read_env()50 void openblas_read_env() {
51 int ret=0;
52 env_var_t p;
53 if (readenv(p,"OPENBLAS_VERBOSE")) ret = atoi(p);
54 if(ret<0) ret=0;
55 openblas_env_verbose=ret;
56
57 ret=0;
58 if (readenv(p,"OPENBLAS_BLOCK_FACTOR")) ret = atoi(p);
59 if(ret<0) ret=0;
60 openblas_env_block_factor=ret;
61
62 ret=0;
63 if (readenv(p,"OPENBLAS_THREAD_TIMEOUT")) ret = atoi(p);
64 if(ret<0) ret=0;
65 openblas_env_thread_timeout=(unsigned int)ret;
66
67 ret=0;
68 if (readenv(p,"OPENBLAS_NUM_THREADS")) ret = atoi(p);
69 if(ret<0) ret=0;
70 openblas_env_openblas_num_threads=ret;
71
72 ret=0;
73 if (readenv(p,"GOTO_NUM_THREADS")) ret = atoi(p);
74 if(ret<0) ret=0;
75 openblas_env_goto_num_threads=ret;
76
77 ret=0;
78 if (readenv(p,"OMP_NUM_THREADS")) ret = atoi(p);
79 if(ret<0) ret=0;
80 openblas_env_omp_num_threads=ret;
81
82 }
83
84
85