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v/examples/pendulum-simulation/parallel_with_iw.v

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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)
)
}