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#pragma once
#include <thread>
#include <atomic>
#include "crypto/cryptonight.h"
class telemetry
{
public:
telemetry(size_t iThd);
void push_perf_value(size_t iThd, uint64_t iHashCount, uint64_t iTimestamp);
double calc_telemetry_data(size_t iLastMilisec, size_t iThread);
private:
constexpr static size_t iBucketSize = 2 << 11; //Power of 2 to simplify calculations
constexpr static size_t iBucketMask = iBucketSize - 1;
uint32_t* iBucketTop;
uint64_t** ppHashCounts;
uint64_t** ppTimestamps;
};
class minethd
{
public:
struct miner_work
{
char sJobID[64];
uint8_t bWorkBlob[112];
uint32_t iWorkSize;
uint32_t iResumeCnt;
uint64_t iTarget;
bool bNiceHash;
bool bStall;
size_t iPoolId;
miner_work() : iWorkSize(0), bStall(true), iPoolId(0) { }
miner_work(const char* sJobID, const uint8_t* bWork, uint32_t iWorkSize, uint32_t iResumeCnt,
uint64_t iTarget, bool bNiceHash, size_t iPoolId) : iWorkSize(iWorkSize), iResumeCnt(iResumeCnt),
iTarget(iTarget), bNiceHash(bNiceHash), bStall(false), iPoolId(iPoolId)
{
assert(iWorkSize <= sizeof(bWorkBlob));
memcpy(this->sJobID, sJobID, sizeof(miner_work::sJobID));
memcpy(this->bWorkBlob, bWork, iWorkSize);
}
miner_work(miner_work const&) = delete;
miner_work& operator=(miner_work const& from)
{
assert(this != &from);
iWorkSize = from.iWorkSize;
iResumeCnt = from.iResumeCnt;
iTarget = from.iTarget;
bNiceHash = from.bNiceHash;
bStall = from.bStall;
iPoolId = from.iPoolId;
assert(iWorkSize <= sizeof(bWorkBlob));
memcpy(sJobID, from.sJobID, sizeof(sJobID));
memcpy(bWorkBlob, from.bWorkBlob, iWorkSize);
return *this;
}
miner_work(miner_work&& from) : iWorkSize(from.iWorkSize), iTarget(from.iTarget),
bStall(from.bStall), iPoolId(from.iPoolId)
{
assert(iWorkSize <= sizeof(bWorkBlob));
memcpy(sJobID, from.sJobID, sizeof(sJobID));
memcpy(bWorkBlob, from.bWorkBlob, iWorkSize);
}
miner_work& operator=(miner_work&& from)
{
assert(this != &from);
iWorkSize = from.iWorkSize;
iResumeCnt = from.iResumeCnt;
iTarget = from.iTarget;
bNiceHash = from.bNiceHash;
bStall = from.bStall;
iPoolId = from.iPoolId;
assert(iWorkSize <= sizeof(bWorkBlob));
memcpy(sJobID, from.sJobID, sizeof(sJobID));
memcpy(bWorkBlob, from.bWorkBlob, iWorkSize);
return *this;
}
};
static void switch_work(miner_work& pWork);
static std::vector<minethd*>* thread_starter(miner_work& pWork);
static bool self_test();
std::atomic<uint64_t> iHashCount;
std::atomic<uint64_t> iTimestamp;
int affinity;
private:
typedef void (*cn_hash_fun)(const void*, size_t, void*, cryptonight_ctx*);
typedef void (*cn_hash_fun_dbl)(const void*, size_t, void*, cryptonight_ctx* __restrict, cryptonight_ctx* __restrict);
minethd(miner_work& pWork, size_t iNo, bool double_work, bool no_prefetch, int affinity);
// We use the top 10 bits of the nonce for thread and resume
// This allows us to resume up to 128 threads 4 times before
// we get nonce collisions
// Bottom 22 bits allow for an hour of work at 1000 H/s
inline uint32_t calc_start_nonce(uint32_t resume)
{ return (resume * iThreadCount + iThreadNo) << 22; }
// Limited version of the nonce calc above
inline uint32_t calc_nicehash_nonce(uint32_t start, uint32_t resume)
{ return start | (resume * iThreadCount + iThreadNo) << 18; }
static cn_hash_fun func_selector(bool bHaveAes, bool bNoPrefetch);
static cn_hash_fun_dbl func_dbl_selector(bool bHaveAes, bool bNoPrefetch);
void work_main();
void double_work_main();
void consume_work();
static std::atomic<uint64_t> iGlobalJobNo;
static std::atomic<uint64_t> iConsumeCnt;
static uint64_t iThreadCount;
uint64_t iJobNo;
static miner_work oGlobalWork;
miner_work oWork;
std::thread oWorkThd;
uint8_t iThreadNo;
bool bQuit;
bool bNoPrefetch;
};
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