source: tests/concurrency/barrier/generation.cfa @ 7e4bd9b6

Last change on this file since 7e4bd9b6 was b2fa3c2, checked in by Peter A. Buhr <pabuhr@…>, 18 months ago

fix comments referring to concurrency directory

  • Property mode set to 100644
File size: 1.2 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// generation.cfa -- simple test that validates barriers by printing alphabetical generations
8//
9// Author           : Thierry Delisle
10// Created On       : Thu Mar 31 16:43:45 2022
11// Last Modified By :
12// Last Modified On :
13// Update Count     :
14//
15
16// Test validates barrier by having each thread print ABCD...
17// If the barrier is correct it should print all As, all Bs, etc.
18
19unsigned NUM_THREADS = 9;
20unsigned NUM_LAPS = 53;
21
22#include <concurrency/barrier.hfa>
23#include <fstream.hfa>
24#include <mutex_stmt.hfa>
25#include <thread.hfa>
26
27// The barrier we are testing
28barrier bar = { NUM_THREADS };
29
30
31thread Tester {};
32void main( Tester & this ) {
33        // Repeat the experiment a few times
34        for(NUM_LAPS)
35                // For each letters
36                for(c; 'A' ~= 'Z') {
37                        // Yield for chaos
38                        yield( prng(this, 10) );
39
40                        // Print the generation, no newline because
41                        mutex(sout) sout | c | nonl;
42
43                        // Yield again for more chaos
44                        yield( prng(this, 10) );
45
46                        // Block on the barrier
47                        block(bar);
48                }
49}
50
51int main() {
52        processor p[4];
53        {
54                Tester testers[NUM_THREADS];
55        }
56        sout | nl;
57}
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