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56 lines
1.7 KiB
56 lines
1.7 KiB
8 years ago
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/*
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sudo cpufreq-set -c 0 -g performance
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mycl mul.cpp -DMCL_USE_LLVM=1 ../lib/libmcl.a && ./a.out
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*/
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#include <stdio.h>
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#include <mcl/fp.hpp>
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#include <cybozu/xorshift.hpp>
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#include <cybozu/test.hpp>
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#include <cybozu/benchmark.hpp>
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typedef mcl::FpT<> Fp;
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using namespace mcl::fp;
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void dump(const Unit *x, size_t N)
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{
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for (size_t i = 0; i < N; i++) {
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printf("%016llx ", (long long)x[N - 1 - i]);
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}
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printf("\n");
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}
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CYBOZU_TEST_AUTO(mulPre)
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{
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cybozu::XorShift rg;
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const char *pTbl[] = {
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"0x2523648240000001ba344d80000000086121000000000013a700000000000013",
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"0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffeffffffff0000000000000000ffffffff",
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"4562440617622195218641171605700291324893228507248559930579192517899275167208677386505912811317371399778642309573594407310688704721375437998252661319722214188251994674360264950082874192246603471", // 640 bit
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"1552518092300708935148979488462502555256886017116696611139052038026050952686376886330878408828646477950487730697131073206171580044114814391444287275041181139204454976020849905550265285631598444825262999193716468750892846853816057031", // 768 bit
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};
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const size_t N = 12;
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const Mode modeTbl[] = {
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FP_GMP_MONT,
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#ifdef MCL_USE_LLVM
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FP_LLVM_MONT,
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#endif
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};
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for (size_t j = 0; j < CYBOZU_NUM_OF_ARRAY(modeTbl); j++) {
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Mode mode = modeTbl[j];
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printf("%s\n", ModeToStr(mode));
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(pTbl); i++) {
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const char *p = pTbl[i];
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Fp::init(p, mode);
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printf("bitSize=%d\n", (int)Fp::getBitSize());
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const Op& op = Fp::getOp();
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Unit x[N], y[N * 2];
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rg.read(x, N);
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rg.read(y, N * 2);
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CYBOZU_BENCH("mul ", op.fp_mul, y, y, x, op.p);
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CYBOZU_BENCH("mulPre", op.fpDbl_mulPre, y, y, x);
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CYBOZU_BENCH("mod ", op.fpDbl_mod, y, y, op.p);
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}
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}
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}
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