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Tweak value facet sampling.

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This commit is contained in:
Kishore Nallan 2024-03-02 21:27:16 +05:30
parent 720aad4731
commit ff9eb6b8ea
1 changed files with 6 additions and 7 deletions
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13
src/id_list.cpp
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@ -729,16 +729,15 @@ size_t id_list_t::intersect_count(const uint32_t *res_ids, size_t res_ids_len,
auto it = new_iterator();
if(estimate_facets) {
while(res_index < res_ids_len && it.valid()) {
auto skip_interval = rand() % (2 * facet_sample_interval);
while(it.valid() && res_index < res_ids_len) {
if(it.id() == res_ids[res_index]) {
count++;
it.next();
res_index += skip_interval;
it.skip_n(facet_sample_interval);
res_index += facet_sample_interval;
} else if(it.id() < res_ids[res_index]) {
it.skip_to(res_ids[res_index]);
it.skip_n(facet_sample_interval);
} else {
res_index += skip_interval;
res_index += facet_sample_interval;
}
}
} else {
@ -759,7 +758,7 @@ size_t id_list_t::intersect_count(const uint32_t *res_ids, size_t res_ids_len,
// << ", skip_interval: " << facet_sample_interval << ", count: " << count;
if(estimate_facets) {
count = count * facet_sample_interval;
count = count * facet_sample_interval * facet_sample_interval;
}
return std::min<size_t>(ids_length, count);