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
|
#ifdef WITH_PYTHON
#include <Python.h>
#endif
#include <torch/script.h>
#include "cpu/rw_cpu.h"
#ifdef WITH_CUDA
#include "cuda/rw_cuda.h"
#endif
#ifdef _WIN32
#ifdef WITH_PYTHON
#ifdef WITH_CUDA
PyMODINIT_FUNC PyInit__rw_cuda(void) { return NULL; }
#else
PyMODINIT_FUNC PyInit__rw_cpu(void) { return NULL; }
#endif
#endif
#endif
SPARSE_API torch::Tensor random_walk(torch::Tensor rowptr, torch::Tensor col,
torch::Tensor start, int64_t walk_length) {
if (rowptr.device().is_cuda()) {
#ifdef WITH_CUDA
return random_walk_cuda(rowptr, col, start, walk_length);
#else
AT_ERROR("Not compiled with CUDA support");
#endif
} else {
return random_walk_cpu(rowptr, col, start, walk_length);
}
}
static auto registry =
torch::RegisterOperators().op("torch_sparse::random_walk", &random_walk);
|
