diff --git a/test/microbench/Makefile b/test/microbench/Makefile
index 37ef0d4b819773b23da9000852e0f334fb88618d..eeef939607372ed386aea23cc455c864b5d94834 100644
--- a/test/microbench/Makefile
+++ b/test/microbench/Makefile
@@ -74,9 +74,9 @@ ifeq ($(ARCH),loongarch64)
   product    := $$(cat /sys/class/dmi/id/product_name | cut -d ' ' -f1)
 endif
 
-ifneq ($(wildcard benchmark/test/$(TEST_BIN).cc),)
-  ifeq ($(shell grep "define OPTIMIZE_LEVEL $(OPTIMIZE_LEVEL)" benchmark/test/$(TEST_BIN).cc),)
-    dummy := $(shell sed -i -e "s/define OPTIMIZE_LEVEL.*/define OPTIMIZE_LEVEL $(OPTIMIZE_LEVEL)/g" benchmark/test/$(TEST_BIN).cc)
+ifneq ($(wildcard benchmark/test/microbench.h),)
+  ifeq ($(shell grep "define OPTIMIZE_LEVEL $(OPTIMIZE_LEVEL)" benchmark/test/microbench.h),)
+    dummy := $(shell sed -i -e "s/define OPTIMIZE_LEVEL.*/define OPTIMIZE_LEVEL $(OPTIMIZE_LEVEL)/g" benchmark/test/microbench.h)
   endif
 endif
 
@@ -142,7 +142,7 @@ benchmark/build/test/$(TEST_BIN): benchmark/build/third_party/googletest/src ben
 	cd benchmark && cmake $(CMAKE_FLAGS) -S . -B "build"
 	cd benchmark && cmake --build "build" --config Release --target $(TEST_BIN)
 
-benchmark/test/$(TEST_BIN).dep: benchmark/test/$(TEST_BIN).cc benchmark/test/common.cc
+benchmark/test/$(TEST_BIN).dep: benchmark/test/$(TEST_BIN).cc benchmark/test/common.cc benchmark/test/microbench.h
 	cd benchmark && \
 	git checkout -- $(BENCHMARK_CMAKELIST) && \
 	sed -i -e "/compile_benchmark_test(basic_test)/icompile_benchmark_test($(TEST_BIN))" $(BENCHMARK_CMAKELIST) && \
@@ -151,12 +151,15 @@ benchmark/test/$(TEST_BIN).dep: benchmark/test/$(TEST_BIN).cc benchmark/test/com
 
 benchmark/test/$(TEST_BIN).cc: test/$(TEST_BIN).cc
 	cd benchmark/test && cp ../../test/$(TEST_BIN).cc $(TEST_BIN).cc
-	grep "define OPTIMIZE_LEVEL $(OPTIMIZE_LEVEL)" benchmark/test/$(TEST_BIN).cc || \
-	sed -i -e "s/define OPTIMIZE_LEVEL.*/define OPTIMIZE_LEVEL $(OPTIMIZE_LEVEL)/g" $@
 
 benchmark/test/common.cc: test/common.cc
 	cd benchmark/test && cp ../../test/common.cc common.cc
 
+benchmark/test/microbench.h: test/microbench.h
+	cd benchmark/test && cp ../../test/microbench.h microbench.h
+	grep "define OPTIMIZE_LEVEL $(OPTIMIZE_LEVEL)" $@ || \
+	sed -i -e "s/define OPTIMIZE_LEVEL.*/define OPTIMIZE_LEVEL $(OPTIMIZE_LEVEL)/g" $@
+
 benchmark/src:
 	git clone $(BENCHMARK_MIRROR)
 
diff --git a/test/microbench/test/aarch64.cc b/test/microbench/test/aarch64.cc
index cfc0afdc787b7929b05585efe3db329e0e5d648f..80920dedc2252e58787e9546090fdb5bb8895385 100644
--- a/test/microbench/test/aarch64.cc
+++ b/test/microbench/test/aarch64.cc
@@ -6,15 +6,7 @@
 
 // X86_64 ISA:          https://www.aldeid.com/wiki/X86-assembly/Instructions
 
-#include "benchmark/benchmark.h"
-
-#define OPTIMIZE_LEVEL 1
-
-#if defined(OPTIMIZE_LEVEL) && (OPTIMIZE_LEVEL == 0)
-#define benchmark_DoNotOptimize() benchmark::DoNotOptimize(state.iterations());
-#else
-#define benchmark_DoNotOptimize() do { } while(0)
-#endif
+#include "mirobench.h"
 
 volatile int enabled;
 
diff --git a/test/microbench/test/armv7l.cc b/test/microbench/test/armv7l.cc
index 48fd23bb6bdfa7a889a01f012f79d28a08dc97f2..ffd2fd99cbd1c24d9ec8397998d56a0cefa4191c 100644
--- a/test/microbench/test/armv7l.cc
+++ b/test/microbench/test/armv7l.cc
@@ -6,15 +6,7 @@
 
 // X86_64 ISA:          https://www.aldeid.com/wiki/X86-assembly/Instructions
 
-#include "benchmark/benchmark.h"
-
-#define OPTIMIZE_LEVEL 1
-
-#if defined(OPTIMIZE_LEVEL) && (OPTIMIZE_LEVEL == 0)
-#define benchmark_DoNotOptimize() benchmark::DoNotOptimize(state.iterations());
-#else
-#define benchmark_DoNotOptimize() do { } while(0)
-#endif
+#include "mirobench.h"
 
 volatile int enabled;
 
diff --git a/test/microbench/test/loongarch64.cc b/test/microbench/test/loongarch64.cc
index 186ea27a33b139dee28283c6e5a8ddaf9188f7eb..f388ab2140d997414fb65af07098a142ac450282 100644
--- a/test/microbench/test/loongarch64.cc
+++ b/test/microbench/test/loongarch64.cc
@@ -7,15 +7,7 @@
 
 // X86_64 ISA:          https://www.aldeid.com/wiki/X86-assembly/Instructions
 
-#include "benchmark/benchmark.h"
-
-#define OPTIMIZE_LEVEL 1
-
-#if defined(OPTIMIZE_LEVEL) && (OPTIMIZE_LEVEL == 0)
-#define benchmark_DoNotOptimize() benchmark::DoNotOptimize(state.iterations());
-#else
-#define benchmark_DoNotOptimize() do { } while(0)
-#endif
+#include "microbench.h"
 
 volatile int enabled;
 
diff --git a/test/microbench/test/microbench.h b/test/microbench/test/microbench.h
new file mode 100644
index 0000000000000000000000000000000000000000..512f0cd3af4dfc024fbccfb16997c6cc0653d7ae
--- /dev/null
+++ b/test/microbench/test/microbench.h
@@ -0,0 +1,10 @@
+#include "benchmark/benchmark.h"
+#define OPTIMIZE_LEVEL 1
+
+#if defined(OPTIMIZE_LEVEL) && (OPTIMIZE_LEVEL == 0)
+#define benchmark_DoNotOptimize() benchmark::DoNotOptimize(state.iterations())
+#define benchmark_DoNotOptimize_Arg(x) benchmark::DoNotOptimize(x)
+#else
+#define benchmark_DoNotOptimize() do { } while(0)
+#define benchmark_DoNotOptimize_Arg(x) do { (void)x; } while(0)
+#endif
diff --git a/test/microbench/test/mips64.cc b/test/microbench/test/mips64.cc
index c1075e6f076b5b948a1951772a88057bed86bc48..4e06b6e25dc794163e19903b2b9a1c1028e42f5c 100644
--- a/test/microbench/test/mips64.cc
+++ b/test/microbench/test/mips64.cc
@@ -7,15 +7,7 @@
 
 // X86_64 ISA:          https://www.aldeid.com/wiki/X86-assembly/Instructions
 
-#include "benchmark/benchmark.h"
-
-#define OPTIMIZE_LEVEL 1
-
-#if defined(OPTIMIZE_LEVEL) && (OPTIMIZE_LEVEL == 0)
-#define benchmark_DoNotOptimize() benchmark::DoNotOptimize(state.iterations());
-#else
-#define benchmark_DoNotOptimize() do { } while(0)
-#endif
+#include "microbench.h"
 
 volatile int enabled;
 
diff --git a/test/microbench/test/riscv64.cc b/test/microbench/test/riscv64.cc
index 53ba4bde765dedd53518f433cfcb62d85f54861c..f14df11468c8fb2c9a1a116260434b3e29d2d2e1 100644
--- a/test/microbench/test/riscv64.cc
+++ b/test/microbench/test/riscv64.cc
@@ -6,15 +6,7 @@
 
 // X86_64 ISA:          https://www.aldeid.com/wiki/X86-assembly/Instructions
 
-#include "benchmark/benchmark.h"
-
-#define OPTIMIZE_LEVEL 1
-
-#if defined(OPTIMIZE_LEVEL) && (OPTIMIZE_LEVEL == 0)
-#define benchmark_DoNotOptimize() benchmark::DoNotOptimize(state.iterations());
-#else
-#define benchmark_DoNotOptimize() do { } while(0)
-#endif
+#include "microbench.h"
 
 volatile int enabled;
 
diff --git a/test/microbench/test/x86_64.cc b/test/microbench/test/x86_64.cc
index 6441b6ebf8c49367ce37956b77f8814ff46c642f..877ef44831194d71ad8309213c1db90d9cfeb629 100644
--- a/test/microbench/test/x86_64.cc
+++ b/test/microbench/test/x86_64.cc
@@ -6,15 +6,7 @@
 
 // X86_64 ISA:          https://www.aldeid.com/wiki/X86-assembly/Instructions
 
-#include "benchmark/benchmark.h"
-
-#define OPTIMIZE_LEVEL 1
-
-#if defined(OPTIMIZE_LEVEL) && (OPTIMIZE_LEVEL == 0)
-#define benchmark_DoNotOptimize() benchmark::DoNotOptimize(state.iterations());
-#else
-#define benchmark_DoNotOptimize() do { } while(0)
-#endif
+#include "microbench.h"
 
 volatile int enabled;