clean up some synch calls

rapidsai · Feb 4, 2023 · 61a64ee · 61a64ee
1 parent cd9bbcf
commit 61a64ee
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Showing 2 changed files with 1 addition and 4 deletions.
diff --git a/cpp/src/io/parquet/page_enc.cu b/cpp/src/io/parquet/page_enc.cu
@@ -265,7 +265,6 @@ __global__ void __launch_bounds__(block_size)
   __syncthreads();
 
   calculate_frag_size<block_size>(s, t);
-  __syncthreads();
   if (t == 0) { frag[blockIdx.x] = s->frag; }
 }
 

diff --git a/cpp/src/io/parquet/writer_impl.cu b/cpp/src/io/parquet/writer_impl.cu
@@ -927,8 +927,7 @@ void writer::impl::init_page_fragments(cudf::detail::hostdevice_2dvector<gpu::Pa
 void writer::impl::init_page_fragments_1d(hostdevice_vector<gpu::PageFragment>& frag,
                                           host_span<size_type const> frag_sizes)
 {
-  auto d_frag_sz = cudf::detail::make_device_uvector_sync(frag_sizes, stream);
-
+  auto d_frag_sz = cudf::detail::make_device_uvector_async(frag_sizes, stream);
   InitPageFragments1D(frag, d_frag_sz, stream);
   frag.device_to_host(stream, true);
 }
@@ -1693,7 +1692,6 @@ void writer::impl::write(table_view const& table, std::vector<partition_info> co
       }
     }
 
-    // synch will be done in init_page_fragments_1d()
     expanded_fragments.host_to_device(stream);
     chunks.host_to_device(stream);