diff options
| -rw-r--r-- | benchmark/hash_first.yml | 11 | ||||
| -rw-r--r-- | st.c | 9 |
2 files changed, 18 insertions, 2 deletions
diff --git a/benchmark/hash_first.yml b/benchmark/hash_first.yml new file mode 100644 index 0000000000..c26df1a7ed --- /dev/null +++ b/benchmark/hash_first.yml @@ -0,0 +1,11 @@ +prelude: | + hash1 = 1_000_000.times.to_h { [rand, true]} + hash2 = hash1.dup + hash2.keys[1..100_000].each { hash2.delete _1 } + hash2.delete hash2.first[0] + +benchmark: + hash1: hash1.first + hash2: hash2.first + +loop_count: 100_000 @@ -1244,8 +1244,13 @@ update_range_for_deleted(st_table *tab, st_index_t n) { /* Do not update entries_bound here. Otherwise, we can fill all bins by deleted entry value before rebuilding the table. */ - if (tab->entries_start == n) - tab->entries_start = n + 1; + if (tab->entries_start == n) { + st_index_t start = n + 1; + st_index_t bound = tab->entries_bound; + st_table_entry *entries = tab->entries; + while (start < bound && DELETED_ENTRY_P(&entries[start])) start++; + tab->entries_start = start; + } } /* Delete entry with KEY from table TAB, set up *VALUE (unless |