28 lines
833 B
C++
28 lines
833 B
C++
#include "mandel.hpp"
|
|
#include <taskflow/taskflow.hpp>
|
|
#include <taskflow/algorithm/for_each.hpp>
|
|
|
|
void mandelbrot_taskflow(unsigned num_threads, int d = D) {
|
|
|
|
tf::Executor executor {num_threads};
|
|
tf::Taskflow taskflow;
|
|
|
|
taskflow.for_each_index(0, H, 1, [&](int i){
|
|
for(int j=0; j<W; j++) {
|
|
auto xy = scale_xy(i, j);
|
|
auto value = escape_time(xy.first, xy.second, d);
|
|
auto k = 3 * ( j * W + i );
|
|
std::tie(RGB[k], RGB[k+1], RGB[k+2]) = get_color(value);
|
|
}
|
|
});
|
|
|
|
executor.run(taskflow).wait();
|
|
}
|
|
|
|
std::chrono::microseconds measure_time_taskflow(unsigned num_threads) {
|
|
auto beg = std::chrono::high_resolution_clock::now();
|
|
mandelbrot_taskflow(num_threads);
|
|
auto end = std::chrono::high_resolution_clock::now();
|
|
return std::chrono::duration_cast<std::chrono::microseconds>(end - beg);
|
|
}
|
|
|