[doris] branch master updated: [improvement]Division of integer is too slow (#10769)

[yi...@apache.org]

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yiguolei pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/doris.git


The following commit(s) were added to refs/heads/master by this push:
     new 9b554be698 [improvement]Division of integer is too slow (#10769)
9b554be698 is described below

commit 9b554be69830c0b91a6e5ce50a10527e158009cd
Author: Jerry Hu <mr...@gmail.com>
AuthorDate: Mon Jul 11 19:36:12 2022 +0800

    [improvement]Division of integer is too slow (#10769)
---
 be/src/vec/functions/int_div.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/be/src/vec/functions/int_div.h b/be/src/vec/functions/int_div.h
index 2357eb5af1..4bfd0f661b 100644
--- a/be/src/vec/functions/int_div.h
+++ b/be/src/vec/functions/int_div.h
@@ -48,8 +48,9 @@ struct DivideIntegralImpl {
         if (!is_null) {
             if constexpr (!std::is_floating_point_v<A> && !std::is_same_v<A, Int128> &&
                           !std::is_same_v<A, Int8> && !std::is_same_v<A, UInt8>) {
+                const auto divider = libdivide::divider<A>(b);
                 for (size_t i = 0; i < size; i++) {
-                    c[i] = a[i] / libdivide::divider<A>(b);
+                    c[i] = a[i] / divider;
                 }
             } else {
                 for (size_t i = 0; i < size; i++) {


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