message: Changed back to Shard for SplitV to get better performance.
diff: @@ -236,7 +236,8 @@ class SplitVOpCPUImpl {
  };
  if (use_parallelism_between_outputs) {
  // Run in parallel, disabling parallelism in functor.
  - context->device()->tensorflow_cpu_worker_threads()->workers->ParallelFor(
  + Shard(num_split,
  + context->device()->tensorflow_cpu_worker_threads()->workers,
  num_split, input_element_count / num_split, range_output_func);
  } else {
  // Run sequentially, but allow internal parallelism in functor.
  