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AstroBWT 20-50% speedup

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Skips hashes with large stage 2 size. Added configurable `astrobwt-max-size` parameter, default value is 550, min 400, max 1200, optimal value ranges from 500 to 600 depending on CPU.

- Intel CPUs get 20-25% speedup
- 1st- and 2nd-gen Ryzens get 30% speedup
- 3rd-gen Ryzens get up to 50% speedup
This commit is contained in:
SChernykh 2020-03-05 12:20:21 +01:00
parent c80ef54b60
commit eeadea53e2
11 changed files with 63 additions and 10 deletions
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4
src/backend/cpu/CpuBackend.cpp
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@ -416,6 +416,10 @@ rapidjson::Value xmrig::CpuBackend::toJSON(rapidjson::Document &doc) const
out.AddMember("argon2-impl", argon2::Impl::name().toJSON(), allocator);
# endif
# ifdef XMRIG_ALGO_ASTROBWT
out.AddMember("astrobwt-max-size", cpu.astrobwtMaxSize(), allocator);
# endif
out.AddMember("hugepages", d_ptr->hugePages(2, doc), allocator);
out.AddMember("memory", static_cast<uint64_t>(d_ptr->algo.isValid() ? (d_ptr->ways() * d_ptr->algo.l3()) : 0), allocator);