Commit 76a3164b authored by Xuan Thang Nguyen's avatar Xuan Thang Nguyen
Browse files

sync after write

parent dbfd8627

bitonicGPU/bitonicSort.h

+2 −10
Original line number Diff line number Diff line
@@ -96,8 +96,6 @@ __global__ void bitonicMergeSharedMemory(TNL::Containers::ArrayView<Value, TNL:: 
        //do bitonic merge

        for (; len > 1; len /= 2)

        {

            __syncthreads();



            //calculates which 2 indexes will be compared and swap

            int part = threadIdx.x / (len / 2);

            int s = part * len + (threadIdx.x & ((len /2) - 1));
@@ -105,10 +103,8 @@ __global__ void bitonicMergeSharedMemory(TNL::Containers::ArrayView<Value, TNL:: 


            if(e < myBlockEnd - myBlockStart) //touching virtual padding

                cmpSwap(sharedMem[s], sharedMem[e], ascending, Cmp);

        }



            __syncthreads();



        }

    }



    //------------------------------------------
@@ -170,8 +166,6 @@ __global__ void bitoniSort1stStepSharedMemory(TNL::Containers::ArrayView<Value, 


            for (int len = monotonicSeqLen; len > 1; len /= 2)

            {

                __syncthreads();



                //calculates which 2 indexes will be compared and swap

                int part = threadIdx.x / (len / 2);

                int s = part * len + (threadIdx.x & ((len / 2) - 1));
@@ -179,11 +173,9 @@ __global__ void bitoniSort1stStepSharedMemory(TNL::Containers::ArrayView<Value, 


                if(e < myBlockEnd - myBlockStart) //touching virtual padding

                    cmpSwap(sharedMem[s], sharedMem[e], ascending, Cmp);

                __syncthreads();

            }

        }



        __syncthreads();



    }



    //------------------------------------------