disk index: move num_slots() to MultipleSlots (#30991)
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2672637395
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@ -285,15 +285,18 @@ impl<'b, T: Clone + Copy + 'static> Bucket<T> {
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};
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elem.set_ref_count(&mut self.index, ref_count);
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let bucket_ix = elem.data_bucket_ix(&self.index);
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let current_multiple_slots = elem.get_multiple_slots(&self.index);
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let bucket_ix =
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IndexEntry::<T>::data_bucket_from_num_slots(current_multiple_slots.num_slots());
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let num_slots = data_len as u64;
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if best_fit_bucket == bucket_ix && elem.num_slots(&self.index) > 0 {
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if best_fit_bucket == bucket_ix && current_multiple_slots.num_slots() > 0 {
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let current_bucket = &mut self.data[bucket_ix as usize];
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// in place update
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let elem_loc = elem.data_loc(&self.index, current_bucket);
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assert!(!current_bucket.is_free(elem_loc));
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let slice: &mut [T] = current_bucket.get_mut_cell_slice(elem_loc, data_len as u64);
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elem.set_num_slots(&mut self.index, num_slots);
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let current_multiple_slots = elem.get_multiple_slots_mut(&mut self.index);
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current_multiple_slots.set_num_slots(num_slots);
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slice.iter_mut().zip(data).for_each(|(dest, src)| {
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*dest = *src;
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@ -318,12 +321,12 @@ impl<'b, T: Clone + Copy + 'static> Bucket<T> {
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let ix = i % cap;
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if best_bucket.is_free(ix) {
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let elem_loc = elem.data_loc(&self.index, current_bucket);
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let old_slots = elem.num_slots(&self.index);
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let old_slots = current_multiple_slots.num_slots();
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let multiple_slots = elem.get_multiple_slots_mut(&mut self.index);
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multiple_slots.set_storage_offset(ix);
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multiple_slots
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.set_storage_capacity_when_created_pow2(best_bucket.capacity_pow2);
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elem.set_num_slots(&mut self.index, num_slots);
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multiple_slots.set_num_slots(num_slots);
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if old_slots > 0 {
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let current_bucket = &mut self.data[bucket_ix as usize];
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current_bucket.free(elem_loc);
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@ -346,7 +349,8 @@ impl<'b, T: Clone + Copy + 'static> Bucket<T> {
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pub fn delete_key(&mut self, key: &Pubkey) {
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if let Some((elem, elem_ix)) = self.find_index_entry(key) {
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if elem.num_slots(&self.index) > 0 {
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let multiple_slots = elem.get_multiple_slots_mut(&mut self.index);
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if multiple_slots.num_slots() > 0 {
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let ix = elem.data_bucket_ix(&self.index) as usize;
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let data_bucket = &self.data[ix];
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let loc = elem.data_loc(&self.index, data_bucket);
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@ -107,6 +107,14 @@ impl MultipleSlots {
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fn storage_offset(&self) -> u64 {
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self.storage_cap_and_offset.offset()
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}
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pub(crate) fn num_slots(&self) -> Slot {
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self.num_slots
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}
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pub(crate) fn set_num_slots(&mut self, num_slots: Slot) {
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self.num_slots = num_slots;
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}
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}
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/// Pack the storage offset and capacity-when-crated-pow2 fields into a single u64
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@ -143,10 +151,12 @@ impl<T> IndexEntryPlaceInBucket<T> {
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}
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pub fn data_bucket_ix(&self, index_bucket: &BucketStorage<IndexBucket<T>>) -> u64 {
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IndexEntry::<T>::data_bucket_from_num_slots(self.num_slots(index_bucket))
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IndexEntry::<T>::data_bucket_from_num_slots(
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self.get_multiple_slots(index_bucket).num_slots(),
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)
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}
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fn get_multiple_slots<'a>(
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pub(crate) fn get_multiple_slots<'a>(
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&self,
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index_bucket: &'a BucketStorage<IndexBucket<T>>,
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) -> &'a MultipleSlots {
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@ -184,7 +194,8 @@ impl<T> IndexEntryPlaceInBucket<T> {
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index_bucket: &BucketStorage<IndexBucket<T>>,
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data_buckets: &'a [BucketStorage<DataBucket>],
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) -> Option<(&'a [T], RefCount)> {
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let num_slots = self.num_slots(index_bucket);
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let multiple_slots = self.get_multiple_slots(index_bucket);
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let num_slots = multiple_slots.num_slots();
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let slice = if num_slots > 0 {
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let data_bucket_ix = self.data_bucket_ix(index_bucket);
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let data_bucket = &data_buckets[data_bucket_ix as usize];
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@ -218,14 +229,6 @@ impl<T> IndexEntryPlaceInBucket<T> {
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let index_entry = index_bucket.get_mut::<IndexEntry<T>>(self.ix);
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index_entry.ref_count = ref_count;
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}
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pub fn num_slots(&self, index_bucket: &BucketStorage<IndexBucket<T>>) -> Slot {
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self.get_multiple_slots(index_bucket).num_slots
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}
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pub fn set_num_slots(&self, index_bucket: &mut BucketStorage<IndexBucket<T>>, num_slots: Slot) {
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self.get_multiple_slots_mut(index_bucket).num_slots = num_slots;
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}
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}
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#[cfg(test)]
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