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v/examples/pendulum-simulation/full.v

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module main
import benchmark
import sim
import sim.anim
import sim.args as simargs
import sim.img
fn main() {
args := simargs.parse_args(extra_workers: 2)! as simargs.ParallelArgs
img_settings := img.image_settings_from_grid(args.grid)
mut writer := img.ppm_writer_for_fname(args.filename, img_settings)!
mut app := anim.new_app(args)
mut workers := []thread{cap: args.workers + 1}
mut bmark := benchmark.start()
img_result_chan := chan &sim.SimResult{cap: args.workers}
defer {
image_worker := workers.pop()
app.request_chan.close()
sim.log('Waiting for workers to finish')
workers.wait()
app.result_chan.close()
img_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!')
}
// start a worker on each core
for id in 0 .. app.args.workers {
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workers << spawn sim.sim_worker(id, app.request_chan, [app.result_chan, img_result_chan])
}
handle_request := fn [app] (request &sim.SimRequest) ! {
app.request_chan <- request
}
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workers << spawn img.image_worker(mut writer, img_result_chan, img_settings)
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spawn app.gg.run()
sim.run(app.args.params,
grid: app.args.grid
on_request: sim.SimRequestHandler(handle_request)
)
}