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
|
//------------------------------------------------------------------------------
// GB_encodify_user_op: encode a user op
//------------------------------------------------------------------------------
// SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2025, All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
//------------------------------------------------------------------------------
#include "GB.h"
#include "jitifyer/GB_stringify.h"
uint64_t GB_encodify_user_op // encode a user defined op
(
// output:
GB_jit_encoding *encoding, // unique encoding of the entire problem,
// except for the suffix
char **suffix, // suffix for user-defined kernel
// input:
const GB_Operator op
)
{
//--------------------------------------------------------------------------
// check if the op is JIT'able
//--------------------------------------------------------------------------
if (op != NULL && op->hash == UINT64_MAX)
{
// cannot JIT this op
memset (encoding, 0, sizeof (GB_jit_encoding)) ;
(*suffix) = NULL ;
return (UINT64_MAX) ;
}
//--------------------------------------------------------------------------
// primary encoding of the user operator
//--------------------------------------------------------------------------
encoding->kcode = GB_JIT_KERNEL_USEROP ;
encoding->code = 0 ;
//--------------------------------------------------------------------------
// determine the suffix and its length
//--------------------------------------------------------------------------
// if hash is zero, it denotes a builtin operator
uint64_t hash = op->hash ;
encoding->suffix_len = (hash == 0) ? 0 : op->name_len ;
(*suffix) = (hash == 0) ? NULL : op->name ;
//--------------------------------------------------------------------------
// compute the hash of the entire problem
//--------------------------------------------------------------------------
hash = hash ^ GB_jitifyer_hash_encoding (encoding) ;
return ((hash == 0 || hash == UINT64_MAX) ? GB_MAGIC : hash) ;
}
|
