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app: multi_core_inverter: perf: move the stimulus Gating to outside the CurlStimulus

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the region.contains() logic is much more expensive than the time bounds
check.
this gets an easy 50% perf boost to the ENTIRE simulation
This commit is contained in:
colin
2022-08-13 15:00:56 -07:00
parent 434dc2cbd5
commit ee93c22f4a
2 changed files with 42 additions and 15 deletions
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30
crates/applications/multi_core_inverter/src/main.rs
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@@ -137,30 +137,30 @@ struct Params {
clock_decay: f32, // exp decay half-life
}
type HoldStim = CurlStimulus<Torus, Gated<f32>>;
type ReleaseStim = CurlStimulus<Torus, Shifted<Gated<Exp<f32>>>>;
type HoldStim = Gated<CurlStimulus<Torus, f32>>;
type ReleaseStim = Shifted<Gated<Exp<CurlStimulus<Torus, f32>>>>;
fn control_signal_hold(params: Params, region: Torus, cycle: u32, ty: DriveType) -> HoldStim {
let area = region.cross_section();
let amp = ty.direction() as f32 * params.input_magnitude / area;
let start = params.clock_phase_duration * cycle as f32;
// simple square wave:
let wave = Gated::new(amp, start, start + params.clock_phase_duration);
CurlStimulus::new(
let base_stim = CurlStimulus::new(
region.clone(),
wave.clone(),
)
amp,
);
// simple square wave:
let start = params.clock_phase_duration * cycle as f32;
Gated::new(base_stim, start, start + params.clock_phase_duration)
}
fn control_signal_release(params: Params, region: Torus, cycle: u32, ty: DriveType) -> ReleaseStim {
let area = region.cross_section();
let amp = ty.direction() as f32 * params.input_magnitude / area;
let start = params.clock_phase_duration * cycle as f32;
// decaying exponential wave:
let wave = Exp::new_at(amp, start, params.clock_decay);
CurlStimulus::new(
let base_stim = CurlStimulus::new(
region.clone(),
wave.clone(),
)
amp,
);
// decaying exponential wave:
let start = params.clock_phase_duration * cycle as f32;
Exp::new_at(base_stim, start, params.clock_decay)
}
@@ -393,7 +393,7 @@ fn main() {
assert_eq!(num_cores, 5);
let mut driver = driver.with_stimulus(stim);
let prefix = "out/applications/multi_core_inverter/13/";
let prefix = "out/applications/multi_core_inverter/14/";
let _ = std::fs::create_dir_all(&prefix);
driver.add_state_file(&*format!("{}state.bc", prefix), 6400);
driver.add_serializer_renderer(&*format!("{}frame-", prefix), 3200, None);