From 216a534eff5753b42b12d82fcdbfaad6b72095e4 Mon Sep 17 00:00:00 2001
From: bugfixer <bugfixer@zilliz.com>
Date: Sun, 1 Dec 2019 01:52:17 +0000
Subject: [PATCH] #634 - FAISS GPU version is compiled with O0

---
 CHANGELOG.md                                    | 1 +
 core/src/index/thirdparty/faiss/makefile.inc.in | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index cb082d2772..684b0c51fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -76,6 +76,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - \#470 - Small raw files should not be build index
 - \#584 - Intergrate internal FAISS
 - \#611 - Remove MILVUS_CPU_VERSION
+- \#634 - FAISS GPU version is compiled with O0
 
 ## Task
 
diff --git a/core/src/index/thirdparty/faiss/makefile.inc.in b/core/src/index/thirdparty/faiss/makefile.inc.in
index 2aaaf3cd19..744ca6d50e 100644
--- a/core/src/index/thirdparty/faiss/makefile.inc.in
+++ b/core/src/index/thirdparty/faiss/makefile.inc.in
@@ -17,7 +17,7 @@ NVCC         = @NVCC@
 CUDA_ROOT    = @CUDA_PREFIX@
 CUDA_ARCH    = @CUDA_ARCH@
 NVCCFLAGS    = -I $(CUDA_ROOT)/targets/x86_64-linux/include/ \
--O0 -g \
+-O3 \
 -Xcompiler -fPIC \
 -Xcudafe --diag_suppress=unrecognized_attribute \
 $(CUDA_ARCH) \