1 //------------------------------------------------------------------------------
2 // GB_defaults.h: default parameter settings
3 //------------------------------------------------------------------------------
4 
5 // SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved.
6 // SPDX-License-Identifier: Apache-2.0
7 
8 //------------------------------------------------------------------------------
9 
10 #ifndef GB_DEFAULTS_H
11 #define GB_DEFAULTS_H
12 
13 //------------------------------------------------------------------------------
14 // default options
15 //------------------------------------------------------------------------------
16 
17 // These parameters define the content of values that can be
18 // used as inputs to GxB_*Option_set.
19 
20 // The default format is by row (CSR).
21 #define GB_HYPER_SWITCH_DEFAULT (0.0625)
22 
23 // compile SuiteSparse:GraphBLAS with "-DBYCOL" to make GxB_BY_COL the default
24 // format
25 #ifdef BYCOL
26 #define GB_FORMAT_DEFAULT GxB_BY_COL
27 #else
28 #define GB_FORMAT_DEFAULT GxB_BY_ROW
29 #endif
30 
31 // by default, give each thread at least 64K units of work to do
32 #define GB_CHUNK_DEFAULT (64*1024)
33 
34 // initial size of the pending tuples
35 #define GB_PENDING_INIT 256
36 
37 #endif
38 
39