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extend fuzzy search cache nodes to having 3 buckets - 3rd bucket can be used to abort working copy, and speed an updated query along

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This commit is contained in:
Ryan Fleury
2024-01-30 14:19:11 -08:00
parent 6e456424b0
commit 2731bdac59
2 changed files with 19 additions and 5 deletions
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src/dbgi/dbgi.c
+18 -4
View File
@@ -436,14 +436,15 @@ dbgi_fuzzy_search_items_from_key_exe_query(DBGI_Scope *scope, U128 key, String8
// rjf: if stale -> request again
if(stale) OS_MutexScopeRWPromote(stripe->rw_mutex)
{
if(node->submit_gen == node->gen)
if(node->submit_gen <= node->gen + ArrayCount(node->buckets)-2)
{
node->submit_gen += 1;
arena_clear(node->buckets[node->submit_gen%ArrayCount(node->buckets)].arena);
node->buckets[node->submit_gen%ArrayCount(node->buckets)].exe_path = push_str8_copy(node->buckets[node->submit_gen%ArrayCount(node->buckets)].arena, exe_path);
node->buckets[node->submit_gen%ArrayCount(node->buckets)].query = push_str8_copy(node->buckets[node->submit_gen%ArrayCount(node->buckets)].arena, query);
}
if(os_now_microseconds() >= node->last_time_submitted_us+100000 && dbgi_u2f_enqueue_req(key, endt_us))
if((node->submit_gen > node->gen+1 || os_now_microseconds() >= node->last_time_submitted_us+100000) &&
dbgi_u2f_enqueue_req(key, endt_us))
{
node->last_time_submitted_us = os_now_microseconds();
}
@@ -1093,6 +1094,7 @@ dbgi_fuzzy_thread__entry_point(void *p)
Arena *task_arena = 0;
String8 exe_path = {0};
String8 query = {0};
U64 initial_submit_gen = 0;
OS_MutexScopeW(stripe->rw_mutex)
{
for(DBGI_FuzzySearchNode *n = slot->first; n != 0; n = n->next)
@@ -1100,6 +1102,7 @@ dbgi_fuzzy_thread__entry_point(void *p)
if(u128_match(n->key, key))
{
task_is_good = 1;
initial_submit_gen = n->submit_gen;
task_arena = n->buckets[n->submit_gen%ArrayCount(n->buckets)].arena;
exe_path = n->buckets[n->submit_gen%ArrayCount(n->buckets)].exe_path;
query = n->buckets[n->submit_gen%ArrayCount(n->buckets)].query;
@@ -1120,7 +1123,7 @@ dbgi_fuzzy_thread__entry_point(void *p)
DBGI_FuzzySearchItemChunkList items_list = {0};
if(task_is_good)
{
for(U64 procedure_idx = 0; procedure_idx < rdbg->procedure_count; procedure_idx += 1)
for(U64 procedure_idx = 0; task_is_good && procedure_idx < rdbg->procedure_count; procedure_idx += 1)
{
RADDBG_Procedure *procedure = &rdbg->procedures[procedure_idx];
U64 name_size = 0;
@@ -1145,6 +1148,17 @@ dbgi_fuzzy_thread__entry_point(void *p)
chunk->count += 1;
items_list.total_count += 1;
}
if(procedure_idx%100 == 99) OS_MutexScopeR(stripe->rw_mutex)
{
for(DBGI_FuzzySearchNode *n = slot->first; n != 0; n = n->next)
{
if(u128_match(n->key, key) && n->submit_gen > initial_submit_gen)
{
task_is_good = 0;
break;
}
}
}
}
}
@@ -1169,7 +1183,7 @@ dbgi_fuzzy_thread__entry_point(void *p)
{
if(u128_match(n->key, key))
{
n->gen += 1;
n->gen = initial_submit_gen;
n->gen_items = items;
break;
}
src/dbgi/dbgi.h
+1 -1
View File
@@ -147,7 +147,7 @@ struct DBGI_FuzzySearchNode
U128 key;
U64 scope_touch_count;
U64 last_time_submitted_us;
DBGI_FuzzySearchBucket buckets[2];
DBGI_FuzzySearchBucket buckets[3];
U64 gen;
U64 submit_gen;
DBGI_FuzzySearchItemArray gen_items;