diff --git a/test/bench.hpp b/test/bench.hpp
index bdf7a95..64c792f 100644
--- a/test/bench.hpp
+++ b/test/bench.hpp
@@ -80,9 +80,9 @@ void testBench(const G1& P, const G2& Q)
 	CYBOZU_BENCH_C("GT::inv       ", C2, GT::inv, e1, e1);
 #endif
 	CYBOZU_BENCH_C("FpDbl::mulPre ", C3, FpDbl::mulPre, d0, x, y);
-	CYBOZU_BENCH_C("pairing       ", C2, pairing, e1, P, Q);
-	CYBOZU_BENCH_C("millerLoop    ", C2, millerLoop, e1, P, Q);
-	CYBOZU_BENCH_C("finalExp      ", C2, finalExp, e1, e1);
+	CYBOZU_BENCH_C("pairing       ", 3000, pairing, e1, P, Q);
+	CYBOZU_BENCH_C("millerLoop    ", 3000, millerLoop, e1, P, Q);
+	CYBOZU_BENCH_C("finalExp      ", 3000, finalExp, e1, e1);
 //exit(1);
 	std::vector<Fp6> Qcoeff;
 	precomputeG2(Qcoeff, Q);