ADTast-experimental
Last change
on this file since 0640c350 was
5f53cc3,
checked in by Thierry Delisle <tdelisle@…>, 2 years ago
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Added a slightly chaotic ready queue test that has the cluster fully quiesce repeatedly.
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-
Property mode set to
100644
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File size:
1.1 KB
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1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2022 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // concurrent/readyQ/barrier_sleeper.cfa -- testing the ready-queue |
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8 | // |
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9 | // Author : Thierry Delisle |
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10 | // Created On : Fri Apr 01 14:01:00 2022 |
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11 | // Last Modified By : |
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12 | // Last Modified On : |
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13 | // Update Count : |
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14 | // |
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15 | |
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16 | // Test validates that processors running out of work repeatedly won't deadlock |
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17 | // Processors and thread are removed in an interleaved fashion for a weirder case. |
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18 | |
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19 | #include <concurrency/barrier.hfa> |
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20 | #include <fstream.hfa> |
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21 | #include <time.hfa> |
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22 | #include <thread.hfa> |
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23 | |
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24 | const unsigned NUM_LAPS = 173; |
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25 | const unsigned NUM_THREADS = 11; |
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26 | |
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27 | barrier bar = { NUM_THREADS }; |
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28 | |
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29 | thread Eager {}; |
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30 | void main( Eager & ) { |
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31 | for(NUM_LAPS) { |
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32 | block(bar); |
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33 | } |
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34 | } |
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35 | |
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36 | thread Sleeper{}; |
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37 | void main( Sleeper & ) { |
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38 | for(NUM_LAPS) { |
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39 | sleep(500`us); |
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40 | block(bar); |
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41 | } |
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42 | } |
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43 | |
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44 | int main() { |
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45 | { |
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46 | processor p1[2]; |
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47 | { |
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48 | if (NUM_THREADS <= 4) sout | "Insufficient threads"; |
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49 | Eager e[NUM_THREADS - 3]; |
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50 | { |
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51 | processor p2[2]; |
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52 | { |
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53 | Sleeper s[3]; |
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54 | } |
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55 | } |
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56 | } |
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57 | } |
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58 | sout | "Done"; |
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59 | } |
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