colin/fdtd-coremem
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driver: more precisely measure stimuli "prep"

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i'm beginning to think the `threadpool` library is actually just kinda
slow.
This commit is contained in:
colin
2022-08-22 02:32:58 -07:00
parent 4df6e19abe
commit 7bce17f56b
2 changed files with 4 additions and 6 deletions
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3
crates/coremem/src/diagnostics.rs
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@@ -62,8 +62,7 @@ impl Diagnostics {
let render_prep_time = self.time_prepping_render.as_secs_f64(); let render_prep_time = self.time_prepping_render.as_secs_f64();
let stim_block_time = self.time_blocked_on_stim.as_secs_f64(); let stim_block_time = self.time_blocked_on_stim.as_secs_f64();
let render_block_time = self.time_blocked_on_render.as_secs_f64(); let render_block_time = self.time_blocked_on_render.as_secs_f64();
// "stimuli prep" includes any blocking operations let stim_prep_time = self.time_prepping_stim.as_secs_f64();
let stim_prep_time = self.time_prepping_stim.as_secs_f64() - stim_block_time;
let other_driver_time = driver_time - ( let other_driver_time = driver_time - (
step_time + stim_block_time + stim_prep_time + render_block_time + render_prep_time step_time + stim_block_time + stim_prep_time + render_block_time + render_prep_time

3
crates/coremem/src/driver.rs
View File

@@ -273,11 +273,10 @@ where
let steps_this_time = (step_to - start_step).try_into().unwrap(); let steps_this_time = (step_to - start_step).try_into().unwrap();
let meta = self.state.meta(); let meta = self.state.meta();
let stim = self.diag.instrument_stimuli_prep(|| {
let stim = self.stimuli.get_for(meta, start_step); let stim = self.stimuli.get_for(meta, start_step);
// prefetch the next stimulus, in the background. // prefetch the next stimulus, in the background.
self.diag.instrument_stimuli_prep(|| {
self.stimuli.start_job(meta, step_to); self.stimuli.start_job(meta, step_to);
stim
}); });
trace!("step begin"); trace!("step begin");