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Fix: don't use NaN in hashrate calculations

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This commit is contained in:
SChernykh 2024-10-23 11:40:27 +02:00
parent 56c447e02a
commit 40949f2767
5 changed files with 105 additions and 56 deletions
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37
src/backend/common/Hashrate.cpp
View file

@ -30,10 +30,10 @@
#include "base/tools/Handle.h"
inline static const char *format(double h, char *buf, size_t size)
inline static const char *format(std::pair<bool, double> h, char *buf, size_t size)
{
if (std::isnormal(h)) {
snprintf(buf, size, (h < 100.0) ? "%04.2f" : "%03.1f", h);
if (h.first) {
snprintf(buf, size, (h.second < 100.0) ? "%04.2f" : "%03.1f", h.second);
return buf;
}
@ -80,15 +80,16 @@ double xmrig::Hashrate::average() const
}
const char *xmrig::Hashrate::format(double h, char *buf, size_t size)
const char *xmrig::Hashrate::format(std::pair<bool, double> h, char *buf, size_t size)
{
return ::format(h, buf, size);
}
rapidjson::Value xmrig::Hashrate::normalize(double d)
rapidjson::Value xmrig::Hashrate::normalize(std::pair<bool, double> d)
{
return Json::normalize(d, false);
using namespace rapidjson;
return d.first ? Value(floor(d.second * 100.0) / 100.0) : Value(kNullType);
}
@ -122,11 +123,11 @@ rapidjson::Value xmrig::Hashrate::toJSON(size_t threadId, rapidjson::Document &d
#endif
double xmrig::Hashrate::hashrate(size_t index, size_t ms) const
std::pair<bool, double> xmrig::Hashrate::hashrate(size_t index, size_t ms) const
{
assert(index < m_threads);
if (index >= m_threads) {
return nan("");
return { false, 0.0 };
}
uint64_t earliestHashCount = 0;
@ -157,17 +158,27 @@ double xmrig::Hashrate::hashrate(size_t index, size_t ms) const
} while (idx != idx_start);
if (!haveFullSet || earliestStamp == 0 || lastestStamp == 0) {
return nan("");
return { false, 0.0 };
}
if (lastestStamp - earliestStamp == 0) {
return nan("");
if (lastestHashCnt == earliestHashCount) {
return { true, 0.0 };
}
if (lastestStamp == earliestStamp) {
return { false, 0.0 };
}
const auto hashes = static_cast<double>(lastestHashCnt - earliestHashCount);
const auto time = static_cast<double>(lastestStamp - earliestStamp) / 1000.0;
const auto time = static_cast<double>(lastestStamp - earliestStamp);
return hashes / time;
const auto hr = hashes * 1000.0 / time;
if (!std::isnormal(hr)) {
return { false, 0.0 };
}
return { true, hr };
}

10
src/backend/common/Hashrate.h
View file

@ -47,16 +47,16 @@ public:
Hashrate(size_t threads);
~Hashrate();
inline double calc(size_t ms) const { const double data = hashrate(0U, ms); return std::isnormal(data) ? data : 0.0; }
inline double calc(size_t threadId, size_t ms) const { return hashrate(threadId + 1, ms); }
inline std::pair<bool, double> calc(size_t ms) const { return hashrate(0U, ms); }
inline std::pair<bool, double> calc(size_t threadId, size_t ms) const { return hashrate(threadId + 1, ms); }
inline size_t threads() const { return m_threads > 0U ? m_threads - 1U : 0U; }
inline void add(size_t threadId, uint64_t count, uint64_t timestamp) { addData(threadId + 1U, count, timestamp); }
inline void add(uint64_t count, uint64_t timestamp) { addData(0U, count, timestamp); }
double average() const;
static const char *format(double h, char *buf, size_t size);
static rapidjson::Value normalize(double d);
static const char *format(std::pair<bool, double> h, char *buf, size_t size);
static rapidjson::Value normalize(std::pair<bool, double> d);
# ifdef XMRIG_FEATURE_API
rapidjson::Value toJSON(rapidjson::Document &doc) const;
@ -64,7 +64,7 @@ public:
# endif
private:
double hashrate(size_t index, size_t ms) const;
std::pair<bool, double> hashrate(size_t index, size_t ms) const;
void addData(size_t index, uint64_t count, uint64_t timestamp);
constexpr static size_t kBucketSize = 2 << 11;