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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
use std::ffi::c_void;
use std::ptr;
use std::{mem::MaybeUninit, sync::Arc};
use suitesparse_graphblas_sys::{GrB_Index, GrB_Matrix, GrB_Matrix_deserialize};
use crate::collections::sparse_matrix::SparseMatrix;
use crate::index::IndexConversion;
use crate::value_type::ValueType;
use crate::{context::Context, error::SparseLinearAlgebraError};
pub trait DeserializeSparseMatrix<T: ValueType> {
unsafe fn deserialize_suitesparse_graphblas_sparse_matrix(
context: Arc<Context>,
serialized_suitesparse_graphblas_sparse_matrix: &[u8],
) -> Result<SparseMatrix<T>, SparseLinearAlgebraError>;
}
impl<T: ValueType> DeserializeSparseMatrix<T> for SparseMatrix<T> {
unsafe fn deserialize_suitesparse_graphblas_sparse_matrix(
context: Arc<Context>,
serialized_suitesparse_graphblas_sparse_matrix: &[u8],
) -> Result<SparseMatrix<T>, SparseLinearAlgebraError> {
let graphblas_sparse_matrix = unsafe {
deserialize_suitesparse_graphblas_sparse_matrix(
&context,
serialized_suitesparse_graphblas_sparse_matrix,
)
}?;
SparseMatrix::from_graphblas_matrix(context.to_owned(), graphblas_sparse_matrix)
}
}
pub unsafe fn deserialize_suitesparse_graphblas_sparse_matrix(
context: &Arc<Context>,
serialized_suitesparse_graphblas_sparse_matrix: &[u8],
) -> Result<GrB_Matrix, SparseLinearAlgebraError> {
let mut suitesparse_graphblas_sparse_matrix: MaybeUninit<GrB_Matrix> = MaybeUninit::uninit();
let raw_pointer_to_serialized_suitesparse_graphblas_sparse_matrix: *const c_void =
serialized_suitesparse_graphblas_sparse_matrix.as_ptr() as *const c_void;
let size_of_serialized_suitesparse_graphblas_sparse_matrix: GrB_Index =
serialized_suitesparse_graphblas_sparse_matrix
.len()
.to_graphblas_index()?;
context.call_without_detailed_error_information(|| unsafe {
GrB_Matrix_deserialize(
suitesparse_graphblas_sparse_matrix.as_mut_ptr(),
ptr::null_mut(),
raw_pointer_to_serialized_suitesparse_graphblas_sparse_matrix,
size_of_serialized_suitesparse_graphblas_sparse_matrix,
)
})?;
// TODO: research if using GxB_Matrix_deserialize would enable retrieving detailed error information
let suitesparse_graphblas_sparse_matrix =
unsafe { suitesparse_graphblas_sparse_matrix.assume_init() };
Ok(suitesparse_graphblas_sparse_matrix)
}
#[cfg(test)]
mod tests {
use std::fs;
use crate::collections::sparse_matrix::operations::{
FromMatrixElementList, GetSparseMatrixElementList,
SerializeSuitesparseGraphblasSparseMatrix, SetSparseMatrixElement,
};
use crate::collections::sparse_matrix::{
GetGraphblasSparseMatrix, MatrixElementList, SparseMatrix,
};
use crate::collections::{LZ4HighCompressionSerializer, ZStandardSerializer};
use crate::operators::binary_operator::First;
use super::*;
#[test]
fn serialize_and_deserialize_suitesparse_graphblas_sparse_matrix() {
let context = Context::init_default().unwrap();
let element_list = MatrixElementList::<u8>::from_element_vector(vec![
(1, 1, 1).into(),
(2, 2, 2).into(),
(2, 4, 10).into(),
(2, 5, 11).into(),
]);
let matrix = SparseMatrix::<u8>::from_element_list(
context.clone(),
(10, 15).into(),
element_list.clone(),
&First::<u8>::new(),
)
.unwrap();
let zstd_serializer = LZ4HighCompressionSerializer::new(
context.clone(),
crate::collections::LZ4HighCompressionLevel::DEFAULT,
)
.unwrap();
let serialized_matrix = unsafe {
zstd_serializer
.serialize_suitesparse_grapblas_sparse_matrix(matrix.graphblas_matrix_ptr())
.unwrap()
};
let deserialized_sparse_matrix = unsafe {
SparseMatrix::<u8>::deserialize_suitesparse_graphblas_sparse_matrix(
context,
&serialized_matrix,
)
}
.unwrap();
assert_eq!(
matrix.element_list().unwrap(),
deserialized_sparse_matrix.element_list().unwrap()
)
}
// #[test]
// fn serialize_and_deserialize_memory_usage() {
// let context = Context::init_default().unwrap();
// let n_element = 1000;
// let n_repeat = 1000;
// let mut matrix = SparseMatrix::<usize>::new(
// context.clone(),
// (n_element*10, n_element*2).into(),
// )
// .unwrap();
// for i in 0..n_element {
// matrix.set_value(i, i, i).unwrap();
// matrix.set_value(i+1, i, i+1).unwrap();
// matrix.set_value(i+2, i+1, i+2).unwrap();
// }
// let zstd_serializer = ZStandardSerializer::new(
// context.clone(),
// crate::collections::ZstandardCompressionLevel::DEFAULT,
// )
// .unwrap();
// for i in 0..n_repeat {
// let serialized_matrix = unsafe {
// zstd_serializer
// .serialize_suitesparse_grapblas_sparse_matrix(matrix.graphblas_matrix_ptr())
// .unwrap()
// };
// let deserialized_sparse_matrix = unsafe {
// SparseMatrix::<usize>::deserialize_suitesparse_graphblas_sparse_matrix(
// context.clone(),
// &serialized_matrix,
// )
// }
// .unwrap();
// assert_eq!(
// matrix.element_list().unwrap(),
// deserialized_sparse_matrix.element_list().unwrap()
// );
// // Read RSS from /proc/self/status (Linux only)
// if let Ok(status) = fs::read_to_string("/proc/self/status") {
// for line in status.lines() {
// if line.starts_with("VmRSS:") {
// println!("[{i}] {line}");
// break;
// }
// }
// }
// // // Read memory map breakdown from /proc/self/smaps_rollup (Linux only)
// // if let Ok(smaps) = fs::read_to_string("/proc/self/smaps_rollup") {
// // let fields = [
// // "Rss:",
// // "Private_Dirty:",
// // "Private_Clean:",
// // "Shared_Dirty:",
// // "Shared_Clean:",
// // "Anonymous:",
// // ];
// // for line in smaps.lines() {
// // if fields.iter().any(|f| line.starts_with(f)) {
// // println!(" {line}");
// // }
// // }
// // }
// }
// // Read RSS from /proc/self/status (Linux only)
// if let Ok(status) = fs::read_to_string("/proc/self/status") {
// for line in status.lines() {
// if line.starts_with("VmRSS:") {
// println!("[END] {line}");
// break;
// }
// }
// }
// // // Read memory map breakdown from /proc/self/smaps_rollup (Linux only)
// // if let Ok(smaps) = fs::read_to_string("/proc/self/smaps_rollup") {
// // let fields = [
// // "Rss:",
// // "Private_Dirty:",
// // "Private_Clean:",
// // "Shared_Dirty:",
// // "Shared_Clean:",
// // "Anonymous:",
// // ];
// // for line in smaps.lines() {
// // if fields.iter().any(|f| line.starts_with(f)) {
// // println!(" {line}");
// // }
// // }
// // }
// assert!(false)
// }
}