add bench

sample/Makefile

@@ -7,8 +7,8 @@ SRC=$(wildcard *.cpp)
 
 all: $(TARGET)
 
-test: $(TARGET)
-	@$(SAMPLE_TEST)
+#test: $(TARGET)
+#	@$(SAMPLE_TEST)
 
 $(OBJDIR):
 	@$(MKDIR) $(OBJDIR)

sample/bench.cpp

@@ -0,0 +1,96 @@
+#include <cybozu/benchmark.hpp>
+#include <cybozu/option.hpp>
+#include <mcl/fp.hpp>
+
+typedef mcl::FpT<> Fp;
+
+void benchFpSub(const char *pStr, const char *xStr, const char *yStr, mcl::fp::Mode mode)
+{
+	Fp::setModulo(pStr, 0, mode);
+	Fp x(xStr);
+	Fp y(yStr);
+
+	double addT, subT, mulT, invT;
+	CYBOZU_BENCH_T(addT, Fp::add, x, x, x);
+	CYBOZU_BENCH_T(subT, Fp::sub, x, x, y);
+	CYBOZU_BENCH_T(mulT, Fp::mul, x, x, x);
+	CYBOZU_BENCH_T(invT, x += y;Fp::inv, x, x); // avoid same jmp
+	printf("bit % 3d add %8.2f sub %8.2f mul %8.2f inv %8.2f\n", (int)Fp::getBitSize(), addT, subT, mulT, invT);
+}
+
+void benchFp(size_t bitSize, int imode)
+{
+	const struct {
+		size_t bitSize;
+		const char *p;
+		const char *x;
+		const char *y;
+	} tbl[] = {
+		{
+			192,
+			"0xfffffffffffffffffffffffe26f2fc170f69466a74defd8d",
+			"0x148094810948190412345678901234567900342423332197",
+			"0x7fffffffffffffffffffffe26f2fc170f69466a74defd8d",
+		},
+		{
+			256,
+			"0x2523648240000001ba344d80000000086121000000000013a700000000000013",
+			"0x1480948109481904123456789234234242423424201234567900342423332197",
+			"0x151342342342341517fffffffffffffffffffffe26f2fc170f69466a74defd8d",
+		},
+		{
+			384,
+			"0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff",
+			"0x19481084109481094820948209482094820984290482212345678901234567900342308472047204720422423332197",
+			"0x209348209481094820984209842094820948204204243123456789012345679003423084720472047204224233321972",
+			
+		},
+		{
+			521,
+			"0x1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+			"0x2908209582095820941098410948109482094820984209840294829049240294242498540975555312345678901234567900342308472047204720422423332197",
+			"0x3948384209834029834092384204920349820948205872380573205782385729385729385723985837ffffffffffffffffffffffe26f2fc170f69466a74defd8d",
+
+		},
+	};
+	for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
+		if (bitSize != 0 && tbl[i].bitSize != bitSize) continue;
+		benchFpSub(tbl[i].p, tbl[i].x, tbl[i].y, mcl::fp::FP_AUTO);
+		benchFpSub(tbl[i].p, tbl[i].x, tbl[i].y, mcl::fp::FP_LLVM);
+		benchFpSub(tbl[i].p, tbl[i].x, tbl[i].y, mcl::fp::FP_LLVM_MONT);
+		benchFpSub(tbl[i].p, tbl[i].x, tbl[i].y, mcl::fp::FP_XBYAK);
+	}
+}
+
+void benchEc(size_t, int)
+{
+}
+
+int main(int argc, char *argv[])
+	try
+{
+	size_t bitSize;
+	int mode;
+	bool ecOnly;
+	bool fpOnly;
+	cybozu::Option opt;
+	opt.appendOpt(&bitSize, 0, "b", ": bitSize");
+	opt.appendOpt(&mode, 0, "m", ": mode(0:auto, 1:llvm, 2:llvm+mont, 3:xbyak");
+	opt.appendBoolOpt(&ecOnly, "ec", ": ec only");
+	opt.appendBoolOpt(&fpOnly, "fp", ": fp only");
+	opt.appendHelp("h", ": show this message");
+	if (!opt.parse(argc, argv)) {
+		opt.usage();
+		exit(1);
+	}
+	if (mode < 0 || mode > 3) {
+		printf("bad mode %d\n", mode);
+		opt.usage();
+		exit(1);
+	}
+	if (!ecOnly) benchFp(bitSize, mode);
+	if (!fpOnly) benchEc(bitSize, mode);
+} catch (std::exception& e) {
+	printf("ERR %s\n", e.what());
+}
+