main.cpp

#include <pls/pls.h>
#include <pls/internal/helpers/profiler.h>

#include <iostream>

static pls::static_scheduler_memory<8, 2 << 14> my_scheduler_memory;

static constexpr int CUTOFF = 10;

long fib_serial(long n) {
    if (n == 0) {
        return 0;
    }
    if (n == 1) {
        return 1;
    }

    return fib_serial(n - 1) + fib_serial(n - 2);
}

long fib(long n) {
    if (n <= CUTOFF) {
        return fib_serial(n);
    }

    // Actual 'invoke_parallel' logic/code
    int left, right;
    pls::invoke_parallel(
        [&] { left = fib(n - 1); },
        [&] { right = fib(n - 2); }
    );
    return left + right;
}

int main() {
    PROFILE_ENABLE
    pls::scheduler scheduler{&my_scheduler_memory, 8};

    long result;
    scheduler.perform_work([&] {
        PROFILE_MAIN_THREAD
        // Call looks just the same, only requirement is
        // the enclosure in the perform_work lambda.
        for (int i = 0; i < 10; i++) {
            result = fib(30);
            std::cout << "Fib(30)=" << result << std::endl;
        }
    });

    PROFILE_SAVE("test_profile.prof")
}