Remove temporary syncthreads

libtcc/kernel/TCCorrelator.cu

@@ -365,8 +365,7 @@ template <bool add>__device__ inline void storeVisibilities(Visibilities visibil
 #else
 #ifdef __HIP_PLATFORM_AMD__
 #if NR_BITS == 8 || NR_BITS == 16
-    // swap elements such that each thread holds N/2 real/imag pairs
-    // offset is N/2 for even threads, 0 for odd threads
+    // swap elements such that each thread holds n_element/2 real/imag pairs instead of only real or only imag
     unsigned offset = threadIdx.x % 2 == 0 ? sum.num_elements / 2 : 0;
     unsigned reverse_offset = sum.num_elements / 2 - offset;
     for (unsigned i = offset; i < offset + sum.num_elements / 2; i++) {
@@ -393,10 +392,6 @@ template <bool add>__device__ inline void storeVisibilities(Visibilities visibil
         int offset_real = (threadIdx.x % 2 == 0 ? 0 : -1 * static_cast<int>(sum.num_elements) / 2);
         int offset_imag = (threadIdx.x % 2 == 0 ? sum.num_elements / 2 : 0);
         storeVisibility<add>(visibilities, channel, baseline, recvY, recvX, 0, 0, polY, polX, skipCheckY, skipCheckX, sum.x[i + offset_real], sum.x[i + offset_imag]);
-        // ToDo: Figure out why the results are wrong in some cases without this sync. e.g. CorrelatorTest -b 16 -c 1 -n 33 -N 32 -r 1 -R 1 -t 8
-#if NR_BITS == 16
-        // __syncthreads();
-#endif
     }
 #endif
 #else