source: benchmark/schedint/upp.cc @ b8ab91a

#include <cstdio>

#include "bench.h"

volatile int go = 0;

_Monitor M {
        uCondition cond;
public:
        void __attribute__((noinline)) call() {
                cond.signal();
        }
        void __attribute__((noinline)) wait() {
                go = 1;
                for ( size_t i = 0; i < times; i++ ) {
                        cond.wait();
                }
        }
} m;

_Task T {
        void main() {
                while ( go == 0 ) { yield(); } // waiter must start first
                BENCH(
                        for ( size_t i = 0; i < times; i++ ) {
                                m.call();
                        },
                        result
                )
                printf( "%g\n", result );
        }
};

int main( int argc, char * argv[] ) {
        BENCH_START()
        T t;
        m.wait();
}

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