forked from 1b-agent/opencadstudio-upstream
perf: speed large drawing workflows
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@@ -278,7 +278,7 @@ struct SpatialGrid {
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}
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impl SpatialGrid {
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fn build<T>(entries: &[Entry3<T>]) -> Self {
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fn build<T: Sync>(entries: &[Entry3<T>]) -> Self {
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if entries.is_empty() {
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return Self {
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min: [0.0; 2],
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@@ -314,57 +314,137 @@ impl SpatialGrid {
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let cols = (((ext_x / cell).ceil() as u64) + 1).clamp(1, MAX_AXIS_CELLS as u64) as u32;
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let rows = (((ext_y / cell).ceil() as u64) + 1).clamp(1, MAX_AXIS_CELLS as u64) as u32;
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let cell_count = cols as usize * rows as usize;
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let mut counts = vec![0u32; cell_count];
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let mut oversized = Vec::new();
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let col_of = |x: f64| (((x - min[0]) / cell).floor()).clamp(0.0, (cols - 1) as f64) as u32;
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let row_of = |y: f64| (((y - min[1]) / cell).floor()).clamp(0.0, (rows - 1) as f64) as u32;
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for (idx, entry) in entries.iter().enumerate() {
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let aabb = entry_aabb2(entry);
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let c0 = col_of(aabb[0]);
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let c1 = col_of(aabb[2]);
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let r0 = row_of(aabb[1]);
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let r1 = row_of(aabb[3]);
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let span = (c1 - c0 + 1) as u64 * (r1 - r0 + 1) as u64;
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if span > MAX_SPAN_CELLS {
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oversized.push(idx as u32);
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continue;
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}
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for row in r0..=r1 {
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let base = row as usize * cols as usize;
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for col in c0..=c1 {
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counts[base + col as usize] += 1;
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#[cfg(not(target_arch = "wasm32"))]
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let (counts, oversized) = {
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use crate::par::prelude::*;
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use std::sync::atomic::{AtomicU32, Ordering};
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let counts: Vec<AtomicU32> =
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(0..cell_count).map(|_| AtomicU32::new(0)).collect();
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let oversized: Vec<u32> = entries
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.par_iter()
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.enumerate()
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.filter_map(|(idx, entry)| {
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let aabb = entry_aabb2(entry);
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let c0 = col_of(aabb[0]);
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let c1 = col_of(aabb[2]);
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let r0 = row_of(aabb[1]);
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let r1 = row_of(aabb[3]);
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let span = (c1 - c0 + 1) as u64 * (r1 - r0 + 1) as u64;
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if span > MAX_SPAN_CELLS {
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return Some(idx as u32);
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}
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for row in r0..=r1 {
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let base = row as usize * cols as usize;
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for col in c0..=c1 {
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counts[base + col as usize].fetch_add(1, Ordering::Relaxed);
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}
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}
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None
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})
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.collect();
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(
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counts
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.into_iter()
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.map(AtomicU32::into_inner)
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.collect::<Vec<u32>>(),
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oversized,
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)
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};
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#[cfg(target_arch = "wasm32")]
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let (counts, oversized) = {
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let mut counts = vec![0u32; cell_count];
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let mut oversized = Vec::new();
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for (idx, entry) in entries.iter().enumerate() {
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let aabb = entry_aabb2(entry);
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let c0 = col_of(aabb[0]);
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let c1 = col_of(aabb[2]);
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let r0 = row_of(aabb[1]);
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let r1 = row_of(aabb[3]);
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let span = (c1 - c0 + 1) as u64 * (r1 - r0 + 1) as u64;
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if span > MAX_SPAN_CELLS {
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oversized.push(idx as u32);
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continue;
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}
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for row in r0..=r1 {
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let base = row as usize * cols as usize;
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for col in c0..=c1 {
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counts[base + col as usize] += 1;
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}
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}
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}
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}
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(counts, oversized)
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};
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let mut cell_offsets = Vec::with_capacity(cell_count + 1);
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cell_offsets.push(0);
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for count in counts {
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cell_offsets.push(cell_offsets.last().copied().unwrap_or(0) + count);
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}
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let mut cell_entries = vec![0u32; *cell_offsets.last().unwrap_or(&0) as usize];
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let mut cursors = cell_offsets[..cell_count].to_vec();
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for (idx, entry) in entries.iter().enumerate() {
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let aabb = entry_aabb2(entry);
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let c0 = col_of(aabb[0]);
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let c1 = col_of(aabb[2]);
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let r0 = row_of(aabb[1]);
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let r1 = row_of(aabb[3]);
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let span = (c1 - c0 + 1) as u64 * (r1 - r0 + 1) as u64;
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if span > MAX_SPAN_CELLS {
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continue;
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}
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for row in r0..=r1 {
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let base = row as usize * cols as usize;
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for col in c0..=c1 {
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let cell_idx = base + col as usize;
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let cursor = &mut cursors[cell_idx];
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cell_entries[*cursor as usize] = idx as u32;
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*cursor += 1;
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#[cfg(not(target_arch = "wasm32"))]
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let cell_entries = {
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use crate::par::prelude::*;
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use std::sync::atomic::{AtomicU32, Ordering};
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let cursors: Vec<AtomicU32> = cell_offsets[..cell_count]
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.iter()
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.copied()
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.map(AtomicU32::new)
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.collect();
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let slots: Vec<AtomicU32> = (0..*cell_offsets.last().unwrap_or(&0) as usize)
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.map(|_| AtomicU32::new(0))
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.collect();
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entries.par_iter().enumerate().for_each(|(idx, entry)| {
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let aabb = entry_aabb2(entry);
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let c0 = col_of(aabb[0]);
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let c1 = col_of(aabb[2]);
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let r0 = row_of(aabb[1]);
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let r1 = row_of(aabb[3]);
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let span = (c1 - c0 + 1) as u64 * (r1 - r0 + 1) as u64;
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if span > MAX_SPAN_CELLS {
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return;
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}
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for row in r0..=r1 {
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let base = row as usize * cols as usize;
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for col in c0..=c1 {
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let cell_idx = base + col as usize;
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let cursor = cursors[cell_idx].fetch_add(1, Ordering::Relaxed);
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slots[cursor as usize].store(idx as u32, Ordering::Relaxed);
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}
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}
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});
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slots.into_iter().map(AtomicU32::into_inner).collect()
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};
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#[cfg(target_arch = "wasm32")]
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let cell_entries = {
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let mut cell_entries = vec![0u32; *cell_offsets.last().unwrap_or(&0) as usize];
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let mut cursors = cell_offsets[..cell_count].to_vec();
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for (idx, entry) in entries.iter().enumerate() {
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let aabb = entry_aabb2(entry);
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let c0 = col_of(aabb[0]);
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let c1 = col_of(aabb[2]);
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let r0 = row_of(aabb[1]);
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let r1 = row_of(aabb[3]);
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let span = (c1 - c0 + 1) as u64 * (r1 - r0 + 1) as u64;
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if span > MAX_SPAN_CELLS {
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continue;
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}
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for row in r0..=r1 {
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let base = row as usize * cols as usize;
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for col in c0..=c1 {
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let cell_idx = base + col as usize;
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let cursor = &mut cursors[cell_idx];
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cell_entries[*cursor as usize] = idx as u32;
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*cursor += 1;
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}
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}
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}
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}
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cell_entries
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};
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let oversized = SpatialBvh2::build(&entries, oversized);
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Self {
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@@ -426,7 +506,7 @@ struct SpatialSet<T> {
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xyz: std::sync::OnceLock<SpatialBvh3>,
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}
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impl<T: Copy + Ord> SpatialSet<T> {
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impl<T: Copy + Ord + Sync> SpatialSet<T> {
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fn build(entries: Vec<Entry3<T>>) -> Self {
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let xy = SpatialGrid::build(&entries);
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Self {
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@@ -601,6 +681,19 @@ fn collect_wire_index_entries(wire_idx: u32, wire: &WireModel) -> WireIndexEntri
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entries
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}
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fn flatten_entry_parts<T>(mut parts: Vec<Vec<T>>) -> Vec<T> {
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let Some((largest, _)) = parts.iter().enumerate().max_by_key(|(_, part)| part.len()) else {
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return Vec::new();
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};
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let mut output = parts.swap_remove(largest);
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let remaining: usize = parts.iter().map(Vec::len).sum();
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output.reserve(remaining);
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for mut part in parts {
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output.append(&mut part);
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}
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output
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}
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impl InteractionHandleIndex {
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pub fn build(entries: impl IntoIterator<Item = (u64, [f64; 6])>) -> Self {
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Self {
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@@ -649,6 +742,10 @@ impl InteractionIndex {
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}
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pub fn build(wires: &[WireModel]) -> Self {
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#[cfg(not(target_arch = "wasm32"))]
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let perf = std::env::var_os("OCS_PERF").is_some();
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#[cfg(not(target_arch = "wasm32"))]
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let build_started = std::time::Instant::now();
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let wire_handles: Vec<Option<u64>> = wires
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.iter()
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.map(|wire| wire.name.parse::<u64>().ok())
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@@ -665,14 +762,11 @@ impl InteractionIndex {
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Some(current)
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})
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.collect();
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#[cfg(not(target_arch = "wasm32"))]
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let handles_elapsed = build_started.elapsed();
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#[cfg(not(target_arch = "wasm32"))]
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let collect_started = std::time::Instant::now();
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let mut wire_entries = Vec::with_capacity(wires.len());
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let mut segment_entries = Vec::new();
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let mut snap_point_entries = Vec::new();
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let mut key_vertex_entries = Vec::new();
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let mut key_segment_entries = Vec::new();
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let mut fill_triangle_entries = Vec::new();
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let mut pick_triangle_entries = Vec::new();
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let mut glyph_entries = Vec::new();
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let mut unbounded_wires = Vec::new();
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let mut max_line_half_width_px = 0.0f32;
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@@ -691,46 +785,18 @@ impl InteractionIndex {
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.enumerate()
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.map(|(index, wire)| collect_wire_index_entries(index as u32, wire))
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.collect();
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// Every per-wire worker knows its exact output sizes. Reserve the flat
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// arrays once before draining them so a dense block drawing does not
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// repeatedly copy already-flattened entries while the Vecs grow.
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wire_entries.reserve(per_wire.iter().filter(|entries| entries.wire.is_some()).count());
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unbounded_wires.reserve(per_wire.iter().filter(|entries| entries.unbounded).count());
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segment_entries.reserve(per_wire.iter().map(|entries| entries.segments.len()).sum());
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snap_point_entries.reserve(
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per_wire
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.iter()
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.map(|entries| entries.snap_points.len())
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.sum(),
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);
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key_vertex_entries.reserve(
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per_wire
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.iter()
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.map(|entries| entries.key_vertices.len())
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.sum(),
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);
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key_segment_entries.reserve(
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per_wire
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.iter()
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.map(|entries| entries.key_segments.len())
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.sum(),
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);
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fill_triangle_entries.reserve(
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per_wire
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.iter()
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.map(|entries| entries.fill_triangles.len())
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.sum(),
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);
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pick_triangle_entries.reserve(
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per_wire
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.iter()
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.map(|entries| entries.pick_triangles.len())
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.sum(),
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);
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glyph_entries.reserve(per_wire.iter().map(|entries| entries.glyphs.len()).sum());
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for (wire_idx, mut entries) in per_wire.into_iter().enumerate() {
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#[cfg(not(target_arch = "wasm32"))]
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let collect_elapsed = collect_started.elapsed();
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#[cfg(not(target_arch = "wasm32"))]
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let flatten_started = std::time::Instant::now();
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let mut segment_parts = Vec::with_capacity(per_wire.len());
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let mut snap_point_parts = Vec::with_capacity(per_wire.len());
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let mut key_vertex_parts = Vec::with_capacity(per_wire.len());
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let mut key_segment_parts = Vec::with_capacity(per_wire.len());
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let mut fill_triangle_parts = Vec::with_capacity(per_wire.len());
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let mut pick_triangle_parts = Vec::with_capacity(per_wire.len());
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let mut glyph_parts = Vec::with_capacity(per_wire.len());
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for (wire_idx, entries) in per_wire.into_iter().enumerate() {
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max_line_half_width_px =
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max_line_half_width_px.max(entries.max_line_half_width_px);
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if let Some(entry) = entries.wire {
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@@ -739,14 +805,65 @@ impl InteractionIndex {
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if entries.unbounded {
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unbounded_wires.push(wire_idx as u32);
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}
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segment_entries.append(&mut entries.segments);
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snap_point_entries.append(&mut entries.snap_points);
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key_vertex_entries.append(&mut entries.key_vertices);
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key_segment_entries.append(&mut entries.key_segments);
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fill_triangle_entries.append(&mut entries.fill_triangles);
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pick_triangle_entries.append(&mut entries.pick_triangles);
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glyph_entries.append(&mut entries.glyphs);
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segment_parts.push(entries.segments);
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snap_point_parts.push(entries.snap_points);
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key_vertex_parts.push(entries.key_vertices);
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key_segment_parts.push(entries.key_segments);
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fill_triangle_parts.push(entries.fill_triangles);
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pick_triangle_parts.push(entries.pick_triangles);
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glyph_parts.push(entries.glyphs);
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}
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#[cfg(not(target_arch = "wasm32"))]
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let (
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((segment_entries, snap_point_entries), (key_vertex_entries, key_segment_entries)),
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((fill_triangle_entries, pick_triangle_entries), glyph_entries),
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) = rayon::join(
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|| {
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rayon::join(
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|| {
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rayon::join(
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|| flatten_entry_parts(segment_parts),
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|| flatten_entry_parts(snap_point_parts),
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)
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},
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|| {
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rayon::join(
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|| flatten_entry_parts(key_vertex_parts),
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|| flatten_entry_parts(key_segment_parts),
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)
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},
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)
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},
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|| {
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let (fill, pick) = rayon::join(
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|| flatten_entry_parts(fill_triangle_parts),
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|| flatten_entry_parts(pick_triangle_parts),
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);
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((fill, pick), flatten_entry_parts(glyph_parts))
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},
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);
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#[cfg(target_arch = "wasm32")]
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let (
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segment_entries,
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snap_point_entries,
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key_vertex_entries,
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key_segment_entries,
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fill_triangle_entries,
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pick_triangle_entries,
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glyph_entries,
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) = (
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flatten_entry_parts(segment_parts),
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flatten_entry_parts(snap_point_parts),
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flatten_entry_parts(key_vertex_parts),
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flatten_entry_parts(key_segment_parts),
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flatten_entry_parts(fill_triangle_parts),
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flatten_entry_parts(pick_triangle_parts),
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flatten_entry_parts(glyph_parts),
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);
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#[cfg(not(target_arch = "wasm32"))]
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let flatten_elapsed = flatten_started.elapsed();
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#[cfg(not(target_arch = "wasm32"))]
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let spatial_started = std::time::Instant::now();
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#[cfg(not(target_arch = "wasm32"))]
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let (
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@@ -806,6 +923,17 @@ impl InteractionIndex {
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SpatialSet::build(pick_triangle_entries),
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SpatialSet::build(glyph_entries),
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);
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#[cfg(not(target_arch = "wasm32"))]
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if perf {
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eprintln!(
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"[perf] interaction-index-detail total={:.1}ms handles={:.1} collect={:.1} flatten={:.1} spatial={:.1}",
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build_started.elapsed().as_secs_f64() * 1000.0,
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handles_elapsed.as_secs_f64() * 1000.0,
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collect_elapsed.as_secs_f64() * 1000.0,
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flatten_elapsed.as_secs_f64() * 1000.0,
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spatial_started.elapsed().as_secs_f64() * 1000.0,
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);
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}
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Self {
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wires,
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