felipecrv commented on code in PR #42010:
URL: https://github.com/apache/arrow/pull/42010#discussion_r1639040018
##########
cpp/src/arrow/pretty_print.cc:
##########
@@ -413,18 +414,36 @@ Status ArrayPrinter::WriteValidityBitmap(const Array&
array) {
}
}
+Result<std::shared_ptr<Array>> CopyStartEndToCPU(const Array& arr, int window)
{
+ std::shared_ptr<Array> arr_sliced;
+ if (arr.length() > (2 * window + 1)) {
+ ARROW_ASSIGN_OR_RAISE(auto arr_start,
+ arr.Slice(0, window +
1)->CopyTo(default_cpu_memory_manager()));
+ ARROW_ASSIGN_OR_RAISE(
+ auto arr_end,
+ arr.Slice(arr.length() - window -
1)->CopyTo(default_cpu_memory_manager()));
+ ARROW_ASSIGN_OR_RAISE(arr_sliced, Concatenate({arr_start, arr_end}));
+ } else {
+ ARROW_ASSIGN_OR_RAISE(arr_sliced,
arr.CopyTo(default_cpu_memory_manager()));
Review Comment:
Writing a slicer in CUDA might be a ton of work though.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
