fix fasthash primes

Nemo1999 · Feb 18, 2022 · cb3a0e4 · cb3a0e4
1 parent 17272eb
commit cb3a0e4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/hashencoder/src/hashencoder.cu b/hashencoder/src/hashencoder.cu
@@ -39,7 +39,7 @@ __device__ uint32_t fast_hash(const uint32_t pos_grid[D]) {
  // While 1 is technically not a good prime for hashing (or a prime at all), it helps memory coherence
  // and is sufficient for our use case of obtaining a uniformly colliding index from high-dimensional
  // coordinates.
- constexpr uint32_t primes[7] = { 1, 19349663, 83492791, 25165843, 6291469, 12582917, 3145739 };
+ constexpr uint32_t primes[7] = { 1, 2654435761, 805459861, 3674653429, 2097192037, 1434869437, 2165219737 };
 
  uint32_t result = 0;
  #pragma unroll