lamellar 0.8.0

Lamellar is an asynchronous tasking runtime for HPC systems developed in RUST.
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
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269

use lamellar::array::prelude::*;
macro_rules! initialize_array {
    (UnsafeArray,$array:ident,$init_val:ident) => {
        unsafe {
            $array
                .dist_iter_mut()
                .for_each(move |x| *x = $init_val)
                .block();
        }
        $array.barrier();
    };
    (AtomicArray,$array:ident,$init_val:ident) => {
        $array
            .dist_iter()
            .for_each(move |x| x.store($init_val))
            .block();
        $array.barrier();
    };
    (LocalLockArray,$array:ident,$init_val:ident) => {
        $array
            .dist_iter_mut()
            .for_each(move |x| *x = $init_val)
            .block();
        $array.barrier();
    };
    (GlobalLockArray,$array:ident,$init_val:ident) => {
        $array
            .dist_iter_mut()
            .for_each(move |x| *x = $init_val)
            .block();
        $array.barrier();
    };
}

macro_rules! check_val {
    (UnsafeArray,$val:ident,$max_val:ident,$valid:ident) => {
        // UnsafeArray updates will be nondeterminstic so should not ever be considered safe/valid so for testing sake we just say they are
    };
    (AtomicArray,$val:ident,$max_val:ident,$valid:ident) => {
        if (($val - $max_val) as f32).abs() > 0.0001 {
            //all updates should be preserved
            $valid = false;
        }
    };
    (LocalLockArray,$val:ident,$max_val:ident,$valid:ident) => {
        if (($val - $max_val) as f32).abs() > 0.0001 {
            //all updates should be preserved
            $valid = false;
        }
    };
    (GlobalLockArray,$val:ident,$max_val:ident,$valid:ident) => {
        if (($val - $max_val) as f32).abs() > 0.0001 {
            //all updates should be preserved
            $valid = false;
        }
    };
}

macro_rules! max_updates {
    ($t:ty,$num_pes:ident) => {
        // let temp: u128 = (<$t>::MAX as u128/$num_pes as u128);
        // (temp as f64).log(2.0) as usize

        (std::mem::size_of::<u128>() * 8
            - (<$t>::MAX as u128 / $num_pes as u128).leading_zeros() as usize
            - 1 as usize)
            / $num_pes
        // if <$t>::MAX as u128 > (10000 * $num_pes) as u128{
        //     10000
        // }
        // else{
        //     <$t>::MAX as usize / $num_pes
        // }
    };
}

macro_rules! onesided_iter {
    (GlobalLockArray,$array:ident) => {
        $array.read_lock().block().onesided_iter()
    };
    ($arraytype:ident,$array:ident) => {
        $array.onesided_iter()
    };
}

macro_rules! mul_test {
    ($array:ident, $t:ty, $len:expr, $dist:ident) => {{
        let world = lamellar::LamellarWorldBuilder::new().build();
        let num_pes = world.num_pes();
        let _my_pe = world.my_pe();
        let array_total_len = $len;
        #[allow(unused_mut)]
        let mut success = true;
        let array: $array<$t> = $array::<$t>::new(world.team(), array_total_len, $dist)
            .block()
            .into(); //convert into abstract LamellarArray, distributed len is total_len

        let max_updates = max_updates!($t, num_pes);
        let max_val = 2u128.pow((max_updates * num_pes) as u32) as $t;
        let init_val = 1 as $t;
        initialize_array!($array, array, init_val);
        array.wait_all();
        array.barrier();
        // array.print();
        for idx in 0..array.len() {
            for _i in 0..(max_updates as usize) {
                #[allow(unused_unsafe)]
                let _ = unsafe { array.mul(idx, 2 as $t).spawn() };
            }
        }
        array.wait_all();
        array.barrier();
        // array.print();
        #[allow(unused_unsafe)]
        for (i, elem) in unsafe { onesided_iter!($array, array).into_iter().enumerate() } {
            let val = elem;
            check_val!($array, val, max_val, success);
            if !success {
                eprintln!("{:?} {:?} {:?}", i, val, max_val);
            }
        }

        array.barrier();
        initialize_array!($array, array, init_val);

        let half_len = array_total_len / 2;
        let start_i = half_len / 2;
        let end_i = start_i + half_len;
        let sub_array = array.sub_array(start_i..end_i);
        sub_array.barrier();
        // // sub_array.print();
        for idx in 0..sub_array.len() {
            for _i in 0..(max_updates as usize) {
                #[allow(unused_unsafe)]
                let _ = unsafe { sub_array.mul(idx, 2 as $t).spawn() };
            }
        }
        sub_array.wait_all();
        sub_array.barrier();
        #[allow(unused_unsafe)]
        for (i, elem) in unsafe { onesided_iter!($array, sub_array).into_iter().enumerate() } {
            let val = elem;
            check_val!($array, val, max_val, success);
            if !success {
                eprintln!("{:?} {:?} {:?}", i, val, max_val);
            }
        }
        sub_array.barrier();
        initialize_array!($array, array, init_val);

        let pe_len = array_total_len / num_pes;
        for pe in 0..num_pes {
            let len = std::cmp::max(pe_len / 2, 1);
            let start_i = (pe * pe_len) + len / 2;
            let end_i = start_i + len;
            let sub_array = array.sub_array(start_i..end_i);
            sub_array.barrier();
            for idx in 0..sub_array.len() {
                for _i in 0..(max_updates as usize) {
                    #[allow(unused_unsafe)]
                    let _ = unsafe { sub_array.mul(idx, 2 as $t).spawn() };
                }
            }
            sub_array.wait_all();
            sub_array.barrier();
            #[allow(unused_unsafe)]
            for (i, elem) in unsafe { onesided_iter!($array, sub_array).into_iter().enumerate() } {
                let val = elem;
                check_val!($array, val, max_val, success);
                if !success {
                    eprintln!("{:?} {:?} {:?}", i, val, max_val);
                }
            }
            sub_array.barrier();
            initialize_array!($array, array, init_val);
        }

        if !success {
            eprintln!("failed");
        }
    }};
}

#[lamellar::main]
fn main() {
    let args: Vec<String> = std::env::args().collect();
    let array = args[1].clone();
    let dist = args[2].clone();
    let elem = args[3].clone();
    let len = args[4].parse::<usize>().unwrap();

    let dist_type = match dist.as_str() {
        "Block" => lamellar::array::Distribution::Block,
        "Cyclic" => lamellar::array::Distribution::Cyclic,
        _ => panic!("unsupported dist type"),
    };

    match array.as_str() {
        "UnsafeArray" => match elem.as_str() {
            "u8" => mul_test!(UnsafeArray, u8, len, dist_type),
            "u16" => mul_test!(UnsafeArray, u16, len, dist_type),
            "u32" => mul_test!(UnsafeArray, u32, len, dist_type),
            "u64" => mul_test!(UnsafeArray, u64, len, dist_type),
            "u128" => mul_test!(UnsafeArray, u128, len, dist_type),
            "usize" => mul_test!(UnsafeArray, usize, len, dist_type),
            "i8" => mul_test!(UnsafeArray, i8, len, dist_type),
            "i16" => mul_test!(UnsafeArray, i16, len, dist_type),
            "i32" => mul_test!(UnsafeArray, i32, len, dist_type),
            "i64" => mul_test!(UnsafeArray, i64, len, dist_type),
            "i128" => mul_test!(UnsafeArray, i128, len, dist_type),
            "isize" => mul_test!(UnsafeArray, isize, len, dist_type),
            "f32" => mul_test!(UnsafeArray, f32, len, dist_type),
            "f64" => mul_test!(UnsafeArray, f64, len, dist_type),
            _ => eprintln!("unsupported element type"),
        },
        "AtomicArray" => match elem.as_str() {
            "u8" => mul_test!(AtomicArray, u8, len, dist_type),
            "u16" => mul_test!(AtomicArray, u16, len, dist_type),
            "u32" => mul_test!(AtomicArray, u32, len, dist_type),
            "u64" => mul_test!(AtomicArray, u64, len, dist_type),
            "u128" => mul_test!(AtomicArray, u128, len, dist_type),
            "usize" => mul_test!(AtomicArray, usize, len, dist_type),
            "i8" => mul_test!(AtomicArray, i8, len, dist_type),
            "i16" => mul_test!(AtomicArray, i16, len, dist_type),
            "i32" => mul_test!(AtomicArray, i32, len, dist_type),
            "i64" => mul_test!(AtomicArray, i64, len, dist_type),
            "i128" => mul_test!(AtomicArray, i128, len, dist_type),
            "isize" => mul_test!(AtomicArray, isize, len, dist_type),
            "f32" => mul_test!(AtomicArray, f32, len, dist_type),
            "f64" => mul_test!(AtomicArray, f64, len, dist_type),
            _ => eprintln!("unsupported element type"),
        },
        "LocalLockArray" => match elem.as_str() {
            "u8" => mul_test!(LocalLockArray, u8, len, dist_type),
            "u16" => mul_test!(LocalLockArray, u16, len, dist_type),
            "u32" => mul_test!(LocalLockArray, u32, len, dist_type),
            "u64" => mul_test!(LocalLockArray, u64, len, dist_type),
            "u128" => mul_test!(LocalLockArray, u128, len, dist_type),
            "usize" => mul_test!(LocalLockArray, usize, len, dist_type),
            "i8" => mul_test!(LocalLockArray, i8, len, dist_type),
            "i16" => mul_test!(LocalLockArray, i16, len, dist_type),
            "i32" => mul_test!(LocalLockArray, i32, len, dist_type),
            "i64" => mul_test!(LocalLockArray, i64, len, dist_type),
            "i128" => mul_test!(LocalLockArray, i128, len, dist_type),
            "isize" => mul_test!(LocalLockArray, isize, len, dist_type),
            "f32" => mul_test!(LocalLockArray, f32, len, dist_type),
            "f64" => mul_test!(LocalLockArray, f64, len, dist_type),
            _ => eprintln!("unsupported element type"),
        },
        "GlobalLockArray" => match elem.as_str() {
            "u8" => mul_test!(GlobalLockArray, u8, len, dist_type),
            "u16" => mul_test!(GlobalLockArray, u16, len, dist_type),
            "u32" => mul_test!(GlobalLockArray, u32, len, dist_type),
            "u64" => mul_test!(GlobalLockArray, u64, len, dist_type),
            "u128" => mul_test!(GlobalLockArray, u128, len, dist_type),
            "usize" => mul_test!(GlobalLockArray, usize, len, dist_type),
            "i8" => mul_test!(GlobalLockArray, i8, len, dist_type),
            "i16" => mul_test!(GlobalLockArray, i16, len, dist_type),
            "i32" => mul_test!(GlobalLockArray, i32, len, dist_type),
            "i64" => mul_test!(GlobalLockArray, i64, len, dist_type),
            "i128" => mul_test!(GlobalLockArray, i128, len, dist_type),
            "isize" => mul_test!(GlobalLockArray, isize, len, dist_type),
            "f32" => mul_test!(GlobalLockArray, f32, len, dist_type),
            "f64" => mul_test!(GlobalLockArray, f64, len, dist_type),
            _ => {} //eprintln!("unsupported element type"),
        },
        _ => eprintln!("unsupported array type"),
    }
}