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105 lines
3.4 KiB
105 lines
3.4 KiB
#define PUT(x) std::cout << #x "=" << (x) << std::endl
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#include <cybozu/benchmark.hpp>
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#include <cybozu/option.hpp>
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#include <cybozu/xorshift.hpp>
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#include <mcl/fp.hpp>
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#include <mcl/fp_tower.hpp>
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typedef mcl::FpT<mcl::FpTag, 256> Fp;
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typedef mcl::Fp2T<Fp> Fp2;
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typedef mcl::FpDblT<Fp> FpDbl;
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typedef mcl::Fp6T<Fp> Fp6;
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typedef mcl::Fp12T<Fp> Fp12;
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const char *getModeStr(mcl::fp::Mode mode)
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{
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switch (mode) {
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case mcl::fp::FP_GMP: return "gmp";
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case mcl::fp::FP_LLVM: return "llvm";
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case mcl::fp::FP_LLVM_MONT: return "llvm+mont";
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case mcl::fp::FP_XBYAK: return "xbyak";
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default: throw cybozu::Exception("bad mode") << mode;
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}
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}
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void benchFpSub(const char *pStr, const char *xStr, const char *yStr, mcl::fp::Mode mode)
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{
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const char *s = getModeStr(mode);
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Fp::setModulo(pStr, 0, mode);
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Fp x(xStr);
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Fp y(yStr);
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double addT, subT, mulT, sqrT, invT;
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CYBOZU_BENCH_T(addT, Fp::add, x, x, x);
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CYBOZU_BENCH_T(subT, Fp::sub, x, x, y);
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CYBOZU_BENCH_T(mulT, Fp::mul, x, x, x);
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CYBOZU_BENCH_T(sqrT, Fp::sqr, x, x);
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CYBOZU_BENCH_T(invT, x += y;Fp::inv, x, x); // avoid same jmp
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printf("%10s bit % 3d add %8.2f sub %8.2f mul %8.2f sqr %8.2f inv %8.2f\n", s, (int)Fp::getBitSize(), addT, subT, mulT, sqrT, invT);
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}
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void benchRaw(const char *p, mcl::fp::Mode mode)
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{
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const char *s = getModeStr(mode);
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Fp::setModulo(p, 0, mode);
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const mcl::fp::Op& op = Fp::getOp();
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Fp fx = -1, fy;
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mpz_class mp(p);
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fy.setMpz(mp / 2);
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const size_t maxN = sizeof(Fp) / sizeof(mcl::fp::Unit);
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mcl::fp::Unit ux[maxN * 2] = {};
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mcl::fp::Unit uy[maxN * 2] = {};
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memcpy(ux, fx.getUnit(), sizeof(fx));
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memcpy(uy, fy.getUnit(), sizeof(fy));
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double fp_sqrT, fp_addT, fp_subT, fp_mulT;
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double fpDbl_addT, fpDbl_subT;
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// double fpDbl_sqrPreT, fpDbl_mulPreT, fpDbl_modT;
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// double fp2_mulT, fp2_sqrT;
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// double fp_addNCT, fp_subNCT, fpDbl_addNCT,fpDbl_subNCT;
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CYBOZU_BENCH_T(fp_sqrT, op.fp_sqr, ux, ux);
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CYBOZU_BENCH_T(fp_addT, op.fp_add, ux, ux, ux);
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CYBOZU_BENCH_T(fp_subT, op.fp_sub, ux, uy, ux);
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CYBOZU_BENCH_T(fp_mulT, op.fp_mul, ux, ux, ux);
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CYBOZU_BENCH_T(fpDbl_addT, op.fpDbl_add, ux, ux, ux);
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CYBOZU_BENCH_T(fpDbl_subT, op.fpDbl_sub, ux, uy, ux);
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printf("%10s ", s);
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const double Ttbl[] = {
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fp_sqrT, fp_addT, fp_subT, fp_mulT,
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fpDbl_addT, fpDbl_subT,
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(Ttbl); i++) {
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printf(" %8.2f", Ttbl[i]);
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}
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printf("\n");
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}
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int main()
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{
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const char *tbl[] = {
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// N = 3
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"0x000000000000000100000000000000000000000000000033", // min prime
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"0x70000000000000000000000000000000000000000000001f",
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"0x800000000000000000000000000000000000000000000005",
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"0xfffffffffffffffffffffffe26f2fc170f69466a74defd8d",
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"0xffffffffffffffffffffffffffffffffffffffffffffff13", // max prime
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// N = 4
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"0x0000000000000001000000000000000000000000000000000000000000000085", // min prime
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"0x2523648240000001ba344d80000000086121000000000013a700000000000013",
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"0x7523648240000001ba344d80000000086121000000000013a700000000000017",
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"0x800000000000000000000000000000000000000000000000000000000000005f",
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"0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff43", // max prime
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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const char *p = tbl[i];
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printf("prime=%s\n", p);
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benchRaw(tbl[i], mcl::fp::FP_GMP);
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#ifdef MCL_USE_LLVM
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benchRaw(tbl[i], mcl::fp::FP_LLVM);
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benchRaw(tbl[i], mcl::fp::FP_LLVM_MONT);
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#endif
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#ifdef MCL_USE_XBYAK
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benchRaw(tbl[i], mcl::fp::FP_XBYAK);
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#endif
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}
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}
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