Improve arm64 optimization

diff --git a/debian/rules b/debian/rules
index 84d57912166f8f86cbe8c9e9e722051414969763..4ea527895268400716932e0a9d72712d38bf3c2d 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -38,7 +38,7 @@ CMAKE_OPTS += -DGGML_CPU_ALL_VARIANTS=OFF
 ifeq ($(distribution),Ubuntu)
 # Optimize for Raspberry Pi 5 on Ubuntu
 #FLAGS_ARGEO+= -mcpu=cortex-a76+crc+crypto
-CMAKE_OPTS += -DGGML_CPU_ARM_ARCH=armv8-a
+CMAKE_OPTS += -DGGML_CPU_ARM_ARCH=armv8.4-a
 #CMAKE_OPTS += -DGGML_NATIVE=ON
 else
 CMAKE_OPTS += -DGGML_CPU_ARM_ARCH=armv8-a