From 0a00e25f2f6fb927fb555b69038d0be9b9d9f265 Mon Sep 17 00:00:00 2001 From: Rossi Sun Date: Wed, 25 Dec 2024 14:33:15 +0800 Subject: [PATCH] MINOR: [C++] Remove wrong comment in swiss join avx2 (#45107) ### Rationale for this change A piece of comment is wrongly introduced in #43389. ### What changes are included in this PR? ### Are these changes tested? ### Are there any user-facing changes? Authored-by: Rossi Sun Signed-off-by: Rossi Sun --- cpp/src/arrow/acero/swiss_join_avx2.cc | 2 -- 1 file changed, 2 deletions(-) diff --git a/cpp/src/arrow/acero/swiss_join_avx2.cc b/cpp/src/arrow/acero/swiss_join_avx2.cc index 20886cad539c3..1d6b7eda6e6a0 100644 --- a/cpp/src/arrow/acero/swiss_join_avx2.cc +++ b/cpp/src/arrow/acero/swiss_join_avx2.cc @@ -105,8 +105,6 @@ int RowArrayAccessor::Visit_avx2(const RowTableImpl& rows, int column_id, int nu __m256i row_offset_lo = _mm256_i32gather_epi64(row_offsets_i64, _mm256_castsi256_si128(row_id), sizeof(RowTableImpl::offset_type)); - // Gather the lower/higher 4 32-bit field lengths based on the lower/higher 4 - // 64-bit row offsets. __m256i row_offset_hi = _mm256_i32gather_epi64(row_offsets_i64, _mm256_extracti128_si256(row_id, 1), sizeof(RowTableImpl::offset_type));