Merge pull request #626 from qulacs/625-haar_random_bug

Haar_random_state GPU bug
qulacs · Mar 26, 2024 · 6737fc8 · 6737fc8
2 parents 62209fd + 9017c48
commit 6737fc8
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/gpusim/memory_ops.cu b/src/gpusim/memory_ops.cu
@@ -2,7 +2,7 @@
 
 #include "cuda_runtime.h"
 #include "device_launch_parameters.h"
-//#include <cuda.h>
+// #include <cuda.h>
 #include <assert.h>
 #include <cuComplex.h>
 #include <curand.h>
@@ -144,7 +144,7 @@ __host__ void initialize_Haar_random_state_with_seed_host(void* state,
     // CURAND_RNG_PSEUDO_MT19937 offset cannot be used and need sm_35 or higher.
 
     unsigned int block = dim <= 512 ? dim : 512;
-    unsigned int grid = min((int)(dim / block), 512);
+    unsigned int grid = dim / block;
 
     init_rnd<<<grid, block, 0, *cuda_stream>>>(rnd_state, seed);
     checkCudaErrors(cudaGetLastError(), __FILE__, __LINE__);