Performance of LLVM 14 vs LLVM 13 - laurynas-biveinis/unodb GitHub Wiki

commit

Filtered for unodb::db:

  • micro_benchmark_key_prefix: 3% slowdown (unpredictable_prepend_key_prefix) to 0% speedup (unpredictable_cut_key_prefix)
  • micro_benchmark_n4: 10% slowdown (n4_full_scan/100) to 0% speedup (minimal_n4_sequential_insert/64)
  • micro_benchmark_n16: 7% slowdown (minimal_n16_tree_full_scan/512) to 1% speedup (n16_sequential_add/10)
  • micro_benchmark_n48: 9% slowdown (shrink_n256_to_n48_randomly/64) to 5% speedup (full_n48_tree_full_scan/128`)
  • micro_benchmark_n256: 7% slowdown (grow_n48_to_n256_sequentially/64) to 12% speedup (grow_n48_to_n256_randomly/64)

Filtered for unodb::olc_db:

  • micro_benchmark_key_prefix: 2% slowdown (unpredictable_get_shared_length) to 1% slowdown (unpredictable_prepend_key_prefix)
  • micro_benchmark_n4: 3% slowdown (n4_full_scan/512) to 4% speedup (full_n4_sequential_delete/65534)
  • micro_benchmark_n16: 5% slowdown (grow_n4_to_n16_sequentially/20) to 0% speedup (minimal_n16_tree_random_gets/64)
  • micro_benchmark_n48: 4% slowdown (minimal_n48_tree_full_scan/8) to 9% speedup (grow_n16_to_n48_randomly/8`)
  • micro_benchmark_n256: 5% slowdown (grow_n48_to_n256_sequentially/64) to 2% speedup (full_n256_tree_random_delete/192)