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GhostRider algorithm (Raptoreum) support

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This commit is contained in:
SChernykh 2021-11-13 20:12:15 +01:00
parent 5156ff11a8
commit ceaebfd877
67 changed files with 72022 additions and 177 deletions
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25
src/backend/cpu/platform/HwlocCpuInfo.cpp
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@ -269,8 +269,10 @@ xmrig::CpuThreads xmrig::HwlocCpuInfo::allThreads(const Algorithm &algorithm, ui
CpuThreads threads;
threads.reserve(m_threads);
const uint32_t intensity = (algorithm.family() == Algorithm::GHOSTRIDER) ? 8 : 0;
for (const int32_t pu : m_units) {
threads.add(pu, 0);
threads.add(pu, intensity);
}
if (threads.isEmpty()) {
@ -296,6 +298,18 @@ void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorith
cores.reserve(m_cores);
findByType(cache, HWLOC_OBJ_CORE, [&cores](hwloc_obj_t found) { cores.emplace_back(found); });
# ifdef XMRIG_ALGO_GHOSTRIDER
if ((algorithm == Algorithm::GHOSTRIDER_RTM) && (PUs > cores.size()) && (PUs < cores.size() * 2)) {
// Don't use E-cores on Alder Lake
cores.erase(std::remove_if(cores.begin(), cores.end(), [](hwloc_obj_t c) { return hwloc_bitmap_weight(c->cpuset) == 1; }), cores.end());
// This shouldn't happen, but check it anyway
if (cores.empty()) {
findByType(cache, HWLOC_OBJ_CORE, [&cores](hwloc_obj_t found) { cores.emplace_back(found); });
}
}
# endif
size_t L3 = cache->attr->cache.size;
const bool L3_exclusive = isCacheExclusive(cache);
size_t L2 = 0;
@ -351,6 +365,15 @@ void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorith
cacheHashes = std::min(cacheHashes, limit);
}
# ifdef XMRIG_ALGO_GHOSTRIDER
if (algorithm == Algorithm::GHOSTRIDER_RTM) {
// GhostRider implementation runs 8 hashes at a time
intensity = 8;
// Always 1 thread per core (it uses additional helper thread when possible)
cacheHashes = std::min(cacheHashes, cores.size());
}
# endif
if (cacheHashes >= PUs) {
for (hwloc_obj_t core : cores) {
const std::vector<hwloc_obj_t> units = findByType(core, HWLOC_OBJ_PU);