| 1 | #include <iostream> |
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| 2 | using namespace std; |
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| 3 | #include <chrono> |
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| 4 | using namespace chrono; |
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| 5 | #include <uActor.h> |
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| 6 | |
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| 7 | int Actors = 40'000, Set = 100, Rounds = 100, Processors = 1, Batch = 1, Qscale = 512; // default values ' |
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| 8 | struct Msg : public uActor::Message {} msg; |
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| 9 | time_point<steady_clock> starttime; |
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| 10 | |
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| 11 | _Actor Executor { |
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| 12 | static int ids; // unique actor id generator |
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| 13 | Executor * gstart; |
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| 14 | int id, rounds, recs = 0, sends = 0; |
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| 15 | |
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| 16 | Allocation receive( Message & msg ) { |
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| 17 | Case ( Msg, msg ) { |
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| 18 | if ( recs == rounds ) return Finished; |
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| 19 | if ( recs % Batch == 0 ) { |
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| 20 | for ( int i = 0; i < Batch; i += 1 ) { |
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| 21 | gstart[sends % Set] | msg; // cycle through set |
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| 22 | sends += 1; |
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| 23 | } // for |
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| 24 | } // if |
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| 25 | recs += 1; |
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| 26 | } // Case |
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| 27 | return Nodelete; |
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| 28 | } // Executor::receive |
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| 29 | public: |
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| 30 | Executor() { |
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| 31 | id = ids++; // unique actor id, and start point for cycle |
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| 32 | gstart = &this[id / Set * Set - id]; // remember group-start array-element |
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| 33 | rounds = Set * Rounds; // send at least one message to each group member |
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| 34 | } // Executor::Executor |
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| 35 | }; // Executor |
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| 36 | int Executor::ids = 0; |
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| 37 | |
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| 38 | size_t malloc_unfreed() { return 16621; } // unfreed storage from locale |
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| 39 | //size_t malloc_expansion() { return 2 * 1024 * 1024; } |
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| 40 | |
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| 41 | int main( int argc, char * argv[] ) { |
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| 42 | locale loc( getenv("LANG") ); |
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| 43 | cout.imbue( loc ); |
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| 44 | |
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| 45 | switch ( argc ) { |
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| 46 | case 7: |
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| 47 | if ( strcmp( argv[6], "d" ) != 0 ) { // default ? |
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| 48 | Qscale = stoi( argv[6] ); |
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| 49 | if ( Qscale < 1 ) goto Usage; |
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| 50 | } // if |
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| 51 | case 6: |
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| 52 | if ( strcmp( argv[5], "d" ) != 0 ) { // default ? |
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| 53 | Batch = stoi( argv[5] ); |
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| 54 | if ( Batch < 1 ) goto Usage; |
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| 55 | } // if |
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| 56 | case 5: |
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| 57 | if ( strcmp( argv[4], "d" ) != 0 ) { // default ? |
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| 58 | Processors = stoi( argv[4] ); |
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| 59 | if ( Processors < 1 ) goto Usage; |
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| 60 | } // if |
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| 61 | case 4: |
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| 62 | if ( strcmp( argv[3], "d" ) != 0 ) { // default ? |
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| 63 | Rounds = stoi( argv[3] ); |
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| 64 | if ( Rounds < 1 ) goto Usage; |
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| 65 | } // if |
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| 66 | case 3: |
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| 67 | if ( strcmp( argv[2], "d" ) != 0 ) { // default ? |
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| 68 | Set = stoi( argv[2] ); |
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| 69 | if ( Set < 1 ) goto Usage; |
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| 70 | } // if |
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| 71 | case 2: |
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| 72 | if ( strcmp( argv[1], "d" ) != 0 ) { // default ? |
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| 73 | Actors = stoi( argv[1] ); |
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| 74 | if ( Actors < 1 || Actors <= Set || Actors % Set != 0 ) goto Usage; |
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| 75 | } // if |
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| 76 | case 1: // use defaults |
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| 77 | break; |
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| 78 | default: |
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| 79 | Usage: |
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| 80 | cerr << "Usage: " << argv[0] |
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| 81 | << " [ actors (> 0 && > set && actors % set == 0 ) | 'd' (default " << Actors |
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| 82 | << ") ] [ set (> 0) | 'd' (default " << Set |
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| 83 | << ") ] [ rounds (> 0) | 'd' (default " << Rounds |
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| 84 | << ") ] [ processors (> 0) | 'd' (default " << Processors |
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| 85 | << ") ] [ batch (> 0) | 'd' (default " << Batch |
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| 86 | << ") ] [ queue scale (> 0) | 'd' (default " << Qscale |
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| 87 | << ") ]" << endl; |
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| 88 | exit( EXIT_FAILURE ); |
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| 89 | } // switch |
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| 90 | |
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| 91 | uExecutor * executor = new uExecutor( Processors, Processors, // too large for task stack |
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| 92 | Processors == 1 ? 1 : Processors * Qscale, true, 0 ); |
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| 93 | uActor::start( executor ); // start actor system |
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| 94 | Executor * actors = new Executor[Actors]; // too many actors for task stack |
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| 95 | starttime = steady_clock::now(); |
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| 96 | for ( int i = 0; i < Actors; i += 1 ) actors[i] | msg; // start actors |
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| 97 | uActor::stop(); // wait for all actors to terminate |
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| 98 | cout << (steady_clock::now() - starttime).count() / 1'000'000'000.0 << endl; // ' |
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| 99 | delete [] actors; |
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| 100 | delete executor; |
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| 101 | // malloc_stats(); |
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| 102 | } // main |
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| 103 | |
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| 104 | // /usr/bin/time -f "%Uu %Ss %Er %Mkb" a.out |
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| 105 | |
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| 106 | // Local Variables: // |
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| 107 | // compile-command: "u++-work -g -Wall -Wextra -O3 -nodebug -DNDEBUG -multi uC++Executor.cc" // |
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| 108 | // End: // |
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