| 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 |
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| 6 | #include "caf/actor_ostream.hpp"
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| 7 | #include "caf/caf_main.hpp"
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| 8 | #include "caf/event_based_actor.hpp"
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| 9 | using namespace caf;
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| 10 |
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| 11 | int Actors = 40'000, Set = 100, Rounds = 400, Processors = 1, Batch = 1, Factor = 40; // ' default values
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| 12 | time_point<steady_clock> starttime;
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| 13 | actor * actors;
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| 14 | int actorCnt = 0;
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| 15 |
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| 16 | class Executor : public event_based_actor {
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| 17 | static int ids; // unique actor id generator
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| 18 | actor * gstart;
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| 19 | int id, rounds, group, recs = 0, sends = 0;
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| 20 |
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| 21 | behavior make_behavior() override {
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| 22 | return {
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| 23 | [=]( int & ) -> void {
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| 24 | if ( recs == rounds ) {
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| 25 | if ( __atomic_add_fetch( &actorCnt, 1, __ATOMIC_SEQ_CST ) == Actors ) {
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| 26 | aout(this) << (steady_clock::now() - starttime).count() * Factor / 1'000'000'000.0 << endl;
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| 27 | } // if
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| 28 | this->quit();
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| 29 | return;
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| 30 | } // if
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| 31 | if ( recs % Batch == 0 ) {
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| 32 | for ( int i = 0; i < Batch; i += 1 ) {
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| 33 | this->send( gstart[sends % Set], 0 ); // cycle through group
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| 34 | sends += 1;
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| 35 | }
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| 36 | }
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| 37 | //aout(this) << id << " " << cnt << endl;
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| 38 | recs += 1;
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| 39 | }
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| 40 | };
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| 41 | }
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| 42 | public:
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| 43 | Executor( caf::actor_config & cfg ) : event_based_actor( cfg ) {
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| 44 | id = ids++; // unique actor id, and start point for cycle
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| 45 | gstart = &actors[id / Set * Set]; // remember group-start array-element
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| 46 | rounds = Set * Rounds; // send at least one message to each group member
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| 47 | // aout(this) << "id " << id << " rounds " << rounds << " group " << group << endl;
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| 48 | }
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| 49 | }; // Executor
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| 50 | int Executor::ids = 0;
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| 51 |
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| 52 | void caf_main( actor_system & sys ) {
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| 53 | for ( int i = 0; i < Actors; i += 1 ) { // create actors
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| 54 | actors[i] = sys.spawn<Executor>();
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| 55 | } // for
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| 56 | starttime = steady_clock::now();
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| 57 | for ( int i = 0; i < Actors; i += 1 ) { // start actors
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| 58 | caf::anon_send( actors[i], 0 );
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| 59 | } // for
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| 60 | } // caf_main
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| 61 |
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| 62 | int main( int argc, char * argv[] ) {
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| 63 | switch ( argc ) {
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| 64 | case 7:
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| 65 | if ( strcmp( argv[6], "d" ) != 0 ) { // default ?
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| 66 | Factor = stoi( argv[6] );
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| 67 | if ( Factor < 1 ) goto Usage;
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| 68 | } // if
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| 69 | case 6:
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| 70 | if ( strcmp( argv[5], "d" ) != 0 ) { // default ?
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| 71 | Batch = stoi( argv[5] );
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| 72 | if ( Batch < 1 ) goto Usage;
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| 73 | } // if
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| 74 | case 5:
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| 75 | if ( strcmp( argv[4], "d" ) != 0 ) { // default ?
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| 76 | Processors = stoi( argv[4] );
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| 77 | if ( Processors < 1 ) goto Usage;
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| 78 | } // if
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| 79 | case 4:
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| 80 | if ( strcmp( argv[3], "d" ) != 0 ) { // default ?
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| 81 | Rounds = stoi( argv[3] );
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| 82 | if ( Rounds < 1 ) goto Usage;
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| 83 | } // if
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| 84 | case 3:
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| 85 | if ( strcmp( argv[2], "d" ) != 0 ) { // default ?
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| 86 | Set = stoi( argv[2] );
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| 87 | if ( Set < 1 ) goto Usage;
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| 88 | } // if
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| 89 | case 2:
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| 90 | if ( strcmp( argv[1], "d" ) != 0 ) { // default ?
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| 91 | Actors = stoi( argv[1] );
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| 92 | if ( Actors < 1 || Actors <= Set || Actors % Set != 0 ) goto Usage;
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| 93 | } // if
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| 94 | case 1: // use defaults
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| 95 | break;
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| 96 | default:
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| 97 | Usage:
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| 98 | cerr << "Usage: " << argv[0]
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| 99 | << " [ actors (> 0 && > set && actors % set == 0 ) | 'd' (default " << Actors
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| 100 | << ") ] [ set (> 0) | 'd' (default " << Set
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| 101 | << ") ] [ rounds (> 0) | 'd' (default " << Rounds
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| 102 | << ") ] [ processors (> 0) | 'd' (default " << Processors
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| 103 | << ") ] [ batch (> 0) | 'd' (default " << Batch
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| 104 | << ") ]" << endl;
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| 105 | exit( EXIT_FAILURE );
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| 106 | } // switch
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| 107 |
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| 108 | Rounds = Rounds / Factor;
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| 109 |
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| 110 | //cout << Actors << " " << Set << " " << Rounds << " " << Processors << endl;
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| 111 | actors = new actor[Actors];
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| 112 |
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| 113 | caf::core::init_global_meta_objects();
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| 114 | caf::exec_main_init_meta_objects<>();
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| 115 |
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| 116 | caf::actor_system_config cfg;
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| 117 | cfg.set( "caf.scheduler.max-threads", Processors );
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| 118 | caf::actor_system system { cfg };
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| 119 |
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| 120 | return caf::exec_main<>(caf_main, argc, argv);
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| 121 | } // main
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| 122 | //CAF_MAIN()
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| 123 |
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| 124 | // /usr/bin/time -f "%Uu %Ss %Er %Mkb" a.out
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| 125 |
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| 126 | // Local Variables: //
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| 127 | // compile-command: "g++-10 -Wall -O3 -std=c++17 -ICAF/actor-framework/libcaf_core -ICAF/actor-framework/libcaf_core/caf -ICAF/actor-framework/build/libcaf_core -LCAF/actor-framework/build/libcaf_core -LCAF/actor-framework/build/libcaf_io CAFExecutor.cpp -lcaf_io -lcaf_core -Wl,-rpath=CAF/actor-framework/build/libcaf_core" //
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| 128 | // End: //
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