message: common: 4 miniheaps per shuffle vector
diff: @@ -76,7 +76,7 @@ static constexpr uint32_t kMinArenaExpansion = 4096; // 16 MB in pages
  // ensures we amortize the cost of going to the global heap enough
  static constexpr uint32_t kMinStringLen = 8;
  static constexpr size_t kMiniheapRefillGoalSize = 64 * 1024; // 64 kB
  -static constexpr size_t kMaxMiniheapsPerShuffleVector = 2;
  +static constexpr size_t kMaxMiniheapsPerShuffleVector = 4;
  // shuffle vector features
  static constexpr size_t kMaxShuffleVectorLength = 256; // sizeof(uint8_t) << 8
  