module main import benchmark import sim import sim.args as simargs import sim.img fn main() { args := simargs.parse_args(extra_workers: 1)? as simargs.ParallelArgs img_settings := img.image_settings_from_grid(args.grid) request_chan := chan &sim.SimRequest{cap: args.workers} result_chan := chan &sim.SimResult{cap: args.workers} mut writer := img.ppm_writer_for_fname(args.filename, img_settings)? mut workers := []thread{cap: args.workers + 1} mut bmark := benchmark.start() defer { image_worker := workers.pop() request_chan.close() sim.log('Waiting for workers to finish') workers.wait() result_chan.close() sim.log('Waiting for image writer to finish') image_worker.wait() sim.log('Workers finished!') bmark.measure(@FN) sim.log('Closing writer file') writer.close() sim.log('Done!') } for id in 0 .. args.workers { workers << go sim.sim_worker(id, request_chan, [result_chan]) } workers << go img.image_worker(mut writer, result_chan, img_settings) handle_request := fn [request_chan] (request &sim.SimRequest) ? { request_chan <- request } sim.run(args.params, grid: args.grid on_request: sim.SimRequestHandler(handle_request) ) }