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123 lines
3.8 KiB
123 lines
3.8 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 benchRaw(const char *p, mcl::fp::Mode mode)
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{
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Fp::setModulo(p, 0, mode);
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Fp2::init(1);
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typedef mcl::fp::Unit Unit;
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const size_t maxN = sizeof(Fp) / sizeof(Unit);
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const mcl::fp::Op& op = Fp::getOp();
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cybozu::XorShift rg;
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Fp fx, fy;
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fx.setRand(rg);
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fy.setRand(rg);
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Unit ux[maxN * 2] = {};
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Unit uy[maxN * 2] = {};
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Unit uz[maxN * 2] = {};
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memcpy(ux, fx.getUnit(), sizeof(Unit) * op.N);
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memcpy(ux + op.N, fx.getUnit(), sizeof(Unit) * op.N);
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memcpy(uy, fy.getUnit(), sizeof(Unit) * op.N);
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memcpy(ux + op.N, fx.getUnit(), sizeof(Unit) * op.N);
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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_sqrT, fp2_mulT, fp2_mul2T;
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CYBOZU_BENCH_T(fp_sqrT, op.fp_sqr, uz, ux);
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CYBOZU_BENCH_T(fp_addT, op.fp_add, uz, ux, uy);
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CYBOZU_BENCH_T(fp_subT, op.fp_sub, uz, uy, ux);
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CYBOZU_BENCH_T(fp_mulT, op.fp_mul, uz, ux, uy);
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CYBOZU_BENCH_T(fpDbl_addT, op.fpDbl_add, uz, ux, uy);
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CYBOZU_BENCH_T(fpDbl_subT, op.fpDbl_sub, uz, uy, ux);
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CYBOZU_BENCH_T(fpDbl_sqrPreT, op.fpDbl_sqrPre, uz, ux);
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CYBOZU_BENCH_T(fpDbl_mulPreT, op.fpDbl_mulPre, uz, ux, uy);
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CYBOZU_BENCH_T(fpDbl_modT, op.fpDbl_mod, uz, ux);
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Fp2 f2x, f2y;
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f2x.a = fx;
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f2x.b = fy;
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f2y = f2x;
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CYBOZU_BENCH_T(fp2_sqrT, Fp2::sqr, f2x, f2x);
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CYBOZU_BENCH_T(fp2_mulT, Fp2::mul, f2x, f2x, f2y);
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CYBOZU_BENCH_T(fp2_mul2T, Fp2::mul2, f2x, f2x, f2y);
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printf("%s\n", getModeStr(mode));
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const char *tStrTbl[] = {
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"fp_add", "fp_sub", "fp_sqr", "fp_mul",
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"D_add", "D_sub",
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"D_sqrPre", "D_mulPre", "D_mod",
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"fp2_sqr", "fp2_mul", "fp2_mul2",
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tStrTbl); i++) {
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printf(" %8s", tStrTbl[i]);
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}
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printf("\n");
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const double tTbl[] = {
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fp_addT, fp_subT, fp_sqrT, fp_mulT,
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fpDbl_addT, fpDbl_subT,
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fpDbl_sqrPreT, fpDbl_mulPreT, fpDbl_modT,
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fp2_sqrT, fp2_mulT, fp2_mul2T,
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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 = 2
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"0x0000000000000001000000000000000d",
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"0x7fffffffffffffffffffffffffffffff",
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"0x8000000000000000000000000000001d",
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"0xffffffffffffffffffffffffffffff61",
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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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"0xfffffffffffffffffffffffffffffffeffffffffffffffff",
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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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