Effect of Node48 AVX2 insert position search unrolling x2 - laurynas-biveinis/unodb GitHub Wiki

baseline commit, patch

Speedups (negative means slowdowns):

  • n48_sequential_add<unodb::db>/2: 4%
  • n48_sequential_add<unodb::db>/8: 1%
  • n48_sequential_add<unodb::db>/64: 3%
  • n48_sequential_add<unodb::db>/512: 5%
  • n48_sequential_add<unodb::db>/4096: 4%
  • n48_random_add<unodb::db>/2: 8%
  • n48_random_add<unodb::db>/8: 1%
  • n48_random_add<unodb::db>/64: 5%
  • n48_random_add<unodb::db>/512: 3%
  • n48_random_add<unodb::db>/4096: 4%
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