zeroshade commented on code in PR #13768: URL: https://github.com/apache/arrow/pull/13768#discussion_r937873107
########## go/arrow/bitutil/_lib/bitmap_ops.c: ########## @@ -0,0 +1,30 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include "../../../internal/utils/_lib/arch.h" +#include <stdint.h> + +void FULL_NAME(bitmap_aligned_and)(const uint8_t* left, const uint8_t* right, uint8_t* out, const int64_t nbytes) { Review Comment: You understand correctly. This technique is used in various places in the repo in order to benefit from SIMD instructions and performance. Sure, i'll add a comment here. -- 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: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org