Last change
on this file since 5b643ea was
76a8400,
checked in by caparson <caparson@…>, 17 months ago
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added all cfa benchmarks, contend is the only one used in the thesis, but other may be used later so Im keeping them around
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-
Property mode set to
100644
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File size:
1.8 KB
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1 | #include <locks.hfa> |
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2 | #include <fstream.hfa> |
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3 | #include <stdio.h> |
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4 | #include <channel.hfa> |
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5 | #include <thread.hfa> |
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6 | #include <time.hfa> |
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7 | #include <string.h> |
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8 | |
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9 | size_t total_operations = 0; |
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10 | size_t Processors = 1, Tasks = 1; |
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11 | |
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12 | owner_lock o; |
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13 | |
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14 | // typedef channel_base( int, exp_backoff_then_block_lock ) Channel; |
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15 | typedef channel( int ) Channel; |
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16 | |
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17 | Channel * chain; |
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18 | |
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19 | bool done = false; |
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20 | int id_counter = 0; |
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21 | thread Task { int id; int right; }; |
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22 | static inline void ?{}( Task & this ) with(this) { |
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23 | id = __atomic_fetch_add( &id_counter, 1, __ATOMIC_SEQ_CST ); |
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24 | right = (id + 1) % Tasks; |
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25 | } |
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26 | void main(Task & this) with(this) { |
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27 | size_t runs = 0; |
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28 | int my_id = id; |
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29 | int my_right = right; |
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30 | for ( ;; ) { |
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31 | if ( done ) break; |
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32 | remove( chain[my_id] ); |
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33 | insert( chain[my_right], 0 ); |
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34 | runs++; |
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35 | } |
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36 | lock( o ); |
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37 | total_operations += runs; |
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38 | unlock( o ); |
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39 | } |
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40 | |
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41 | |
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42 | int main( int argc, char * argv[] ) { |
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43 | switch ( argc ) { |
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44 | case 3: |
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45 | if ( strcmp( argv[2], "d" ) != 0 ) { // default ? |
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46 | Tasks = atoi( argv[2] ); |
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47 | if ( Tasks < 1 ) goto Usage; |
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48 | } // if |
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49 | case 2: |
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50 | if ( strcmp( argv[1], "d" ) != 0 ) { // default ? |
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51 | Processors = atoi( argv[1] ); |
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52 | if ( Processors < 1 ) goto Usage; |
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53 | } // if |
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54 | case 1: // use defaults |
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55 | break; |
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56 | default: |
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57 | Usage: |
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58 | sout | "Usage: " | argv[0] |
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59 | | " [ processors (> 0) | 'd' (default " | Processors |
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60 | | ") ] [ channel size (>= 0) | 'd' (default " | Tasks |
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61 | | ") ]" ; |
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62 | exit( EXIT_FAILURE ); |
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63 | } // switch |
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64 | Tasks = Processors; |
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65 | processor proc[Processors - 1]; |
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66 | |
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67 | chain = aalloc( Tasks ); |
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68 | for ( i; Tasks ) { |
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69 | chain[i]{ 3 }; |
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70 | } |
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71 | |
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72 | insert( chain[0], 0 ); |
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73 | { |
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74 | Task t[Tasks]; |
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75 | sleep(10`s); |
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76 | done = true; |
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77 | for ( j; Tasks ) |
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78 | insert( chain[j], 0 ); |
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79 | } |
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80 | |
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81 | sout | total_operations; |
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82 | |
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83 | adelete(chain); |
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84 | |
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85 | return 0; |
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86 | } |
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