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#include <cassert>
#include <cstdio>
#include <cstdlib>
#include "bilateral_grid.h"
#ifndef NO_AUTO_SCHEDULE
#include "bilateral_grid_auto_schedule.h"
#endif
#include "HalideBuffer.h"
#include "halide_benchmark.h"
#include "halide_image_io.h"
using namespace Halide::Tools;
using namespace Halide::Runtime;
int main(int argc, char **argv) {
if (argc < 5) {
printf("Usage: ./filter input.png output.png range_sigma timing_iterations\n"
"e.g. ./filter input.png output.png 0.1 10\n");
return 0;
}
float r_sigma = (float)atof(argv[3]);
int timing_iterations = atoi(argv[4]);
Buffer<float, 2> input = load_and_convert_image(argv[1]);
Buffer<float, 2> output(input.width(), input.height());
bilateral_grid(input, r_sigma, output);
// Timing code. Timing doesn't include copying the input data to
// the gpu or copying the output back.
// Manually-tuned version
double min_t_manual = benchmark(timing_iterations, 10, [&]() {
bilateral_grid(input, r_sigma, output);
output.device_sync();
});
printf("Manually-tuned time: %gms\n", min_t_manual * 1e3);
#ifndef NO_AUTO_SCHEDULE
// Auto-scheduled version
double min_t_auto = benchmark(timing_iterations, 10, [&]() {
bilateral_grid_auto_schedule(input, r_sigma, output);
output.device_sync();
});
printf("Auto-scheduled time: %gms\n", min_t_auto * 1e3);
#endif
convert_and_save_image(output, argv[2]);
printf("Success!\n");
return 0;
}
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