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Implemented Dataset size increase per epoch

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This commit is contained in:
tevador 2019-03-10 23:14:03 +01:00
parent e65d9da66c
commit 2edf05cedc
15 changed files with 157 additions and 163 deletions
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12
src/Cache.cpp
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@ -25,8 +25,9 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
namespace RandomX {
static_assert(RANDOMX_ARGON_MEMORY % (RANDOMX_ARGON_LANES * ARGON2_SYNC_POINTS) == 0, "RANDOMX_ARGON_MEMORY - invalid value");
static_assert(RANDOMX_ARGON_GROWTH % (RANDOMX_ARGON_LANES * ARGON2_SYNC_POINTS) == 0, "RANDOMX_ARGON_GROWTH - invalid value");
void Cache::argonFill(const void* seed, size_t seedSize) {
void argonFill(Cache& cache, const void* seed, size_t seedSize) {
uint32_t memory_blocks, segment_length;
argon2_instance_t instance;
argon2_context context;
@ -42,7 +43,7 @@ namespace RandomX {
context.ad = NULL;
context.adlen = 0;
context.t_cost = RANDOMX_ARGON_ITERATIONS;
context.m_cost = RANDOMX_ARGON_MEMORY;
context.m_cost = cache.size / ArgonBlockSize;
context.lanes = RANDOMX_ARGON_LANES;
context.threads = 1;
context.allocate_cbk = NULL;
@ -65,7 +66,7 @@ namespace RandomX {
instance.lanes = context.lanes;
instance.threads = context.threads;
instance.type = Argon2_d;
instance.memory = (block*)memory;
instance.memory = (block*)cache.memory;
if (instance.threads > instance.lanes) {
instance.threads = instance.lanes;
@ -78,9 +79,4 @@ namespace RandomX {
fill_memory_blocks(&instance);
}
void Cache::initialize(const void* seed, size_t seedSize) {
//Argon2d memory fill
argonFill(seed, seedSize);
}
}

51
src/Cache.hpp
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@ -22,50 +22,31 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#include <cstdint>
#include <new>
#include "common.hpp"
#include "dataset.hpp"
#include "intrinPortable.h"
#include "virtualMemory.hpp"
namespace RandomX {
class Cache {
public:
static void* alloc(bool largePages) {
if (largePages) {
return allocLargePagesMemory(sizeof(Cache));
}
else {
void* ptr = _mm_malloc(sizeof(Cache), sizeof(__m128i));
if (ptr == nullptr)
throw std::bad_alloc();
return ptr;
}
void argonFill(Cache& cache, const void* seed, size_t seedSize);
inline uint8_t* allocCache(size_t size, bool largePages) {
if (largePages) {
return (uint8_t*)allocLargePagesMemory(size);
}
static void dealloc(Cache* cache, bool largePages) {
if (largePages) {
freePagedMemory(cache, sizeof(Cache));
}
else {
_mm_free(cache);
}
}
/*void* operator new(size_t size) {
else {
void* ptr = _mm_malloc(size, sizeof(__m128i));
if (ptr == nullptr)
throw std::bad_alloc();
return ptr;
return (uint8_t*)ptr;
}
}
void operator delete(void* ptr) {
_mm_free(ptr);
}*/
void initialize(const void* seed, size_t seedSize);
const uint8_t* getCache() const {
return memory;
inline void deallocCache(Cache cache, bool largePages) {
if (largePages) {
freePagedMemory(cache.memory, cache.size);
}
private:
uint8_t memory[CacheSize];
void argonFill(const void* seed, size_t seedSize);
};
else {
_mm_free(cache.memory);
}
}
}

9
src/CompiledVirtualMachine.cpp
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@ -23,25 +23,26 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
namespace RandomX {
static_assert(sizeof(MemoryRegisters) == 2 * sizeof(addr_t) + sizeof(uintptr_t), "Invalid alignment of struct RandomX::MemoryRegisters");
//static_assert(sizeof(MemoryRegisters) == 2 * sizeof(addr_t) + sizeof(uintptr_t), "Invalid alignment of struct RandomX::MemoryRegisters");
static_assert(sizeof(RegisterFile) == 256, "Invalid alignment of struct RandomX::RegisterFile");
CompiledVirtualMachine::CompiledVirtualMachine() {
totalSize = 0;
}
void CompiledVirtualMachine::setDataset(dataset_t ds) {
void CompiledVirtualMachine::setDataset(dataset_t ds, uint64_t size) {
mem.ds = ds;
datasetRange = (size - RANDOMX_DATASET_SIZE + CacheLineSize) / CacheLineSize;
datasetBasePtr = ds.dataset.memory;
}
void CompiledVirtualMachine::initialize() {
VirtualMachine::initialize();
compiler.generateProgram(program);
mem.ds.dataset.memory = datasetBasePtr + (datasetBase * CacheLineSize);
}
void CompiledVirtualMachine::execute() {
//executeProgram(reg, mem, scratchpad, InstructionCount);
//totalSize += compiler.getCodeSize();
compiler.getProgramFunc()(reg, mem, scratchpad, RANDOMX_PROGRAM_ITERATIONS);
#ifdef TRACEVM
for (int32_t i = InstructionCount - 1; i >= 0; --i) {

7
src/CompiledVirtualMachine.hpp
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@ -42,20 +42,17 @@ namespace RandomX {
_mm_free(ptr);
}
CompiledVirtualMachine();
void setDataset(dataset_t ds) override;
void setDataset(dataset_t ds, uint64_t size) override;
void initialize() override;
virtual void execute() override;
void* getProgram() {
return compiler.getCode();
}
uint64_t getTotalSize() {
return totalSize;
}
private:
#ifdef TRACEVM
convertible_t tracepad[InstructionCount];
#endif
JitCompilerX86 compiler;
uint64_t totalSize;
uint8_t* datasetBasePtr;
};
}

17
src/InterpretedVirtualMachine.cpp
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@ -50,13 +50,13 @@ namespace RandomX {
}
}
void InterpretedVirtualMachine::setDataset(dataset_t ds) {
void InterpretedVirtualMachine::setDataset(dataset_t ds, uint64_t size) {
if (asyncWorker) {
if (softAes) {
mem.ds.asyncWorker = new LightClientAsyncWorker<true>(ds.cache);
mem.ds.asyncWorker = new LightClientAsyncWorker(ds.cache);
}
else {
mem.ds.asyncWorker = new LightClientAsyncWorker<false>(ds.cache);
mem.ds.asyncWorker = new LightClientAsyncWorker(ds.cache);
}
readDataset = &datasetReadLightAsync;
}
@ -64,6 +64,7 @@ namespace RandomX {
mem.ds = ds;
readDataset = &datasetReadLight;
}
datasetRange = (size - RANDOMX_DATASET_SIZE + CacheLineSize) / CacheLineSize;
}
void InterpretedVirtualMachine::initialize() {
@ -337,20 +338,20 @@ namespace RandomX {
if (asyncWorker) {
ILightClientAsyncWorker* aw = mem.ds.asyncWorker;
const uint64_t* datasetLine = aw->getBlock(mem.ma);
const uint64_t* datasetLine = aw->getBlock(datasetBase + mem.ma);
for (int i = 0; i < RegistersCount; ++i)
r[i] ^= datasetLine[i];
mem.mx ^= r[readReg2] ^ r[readReg3];
mem.mx &= CacheLineAlignMask; //align to cache line
std::swap(mem.mx, mem.ma);
aw->prepareBlock(mem.ma);
aw->prepareBlock(datasetBase + mem.ma);
}
else {
mem.mx ^= r[readReg2] ^ r[readReg3];
mem.mx &= CacheLineAlignMask;
Cache* cache = mem.ds.cache;
//mem.mx &= CacheLineAlignMask;
Cache& cache = mem.ds.cache;
uint64_t datasetLine[CacheLineSize / sizeof(uint64_t)];
initBlock(cache->getCache(), (uint8_t*)datasetLine, mem.ma / CacheLineSize);
initBlock(cache, (uint8_t*)datasetLine, datasetBase + mem.ma / CacheLineSize);
for (int i = 0; i < RegistersCount; ++i)
r[i] ^= datasetLine[i];
std::swap(mem.mx, mem.ma);

2
src/InterpretedVirtualMachine.hpp
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@ -72,7 +72,7 @@ namespace RandomX {
}
InterpretedVirtualMachine(bool soft, bool async) : softAes(soft), asyncWorker(async) {}
~InterpretedVirtualMachine();
void setDataset(dataset_t ds) override;
void setDataset(dataset_t ds, uint64_t size) override;
void initialize() override;
void execute() override;
private:

30
src/LightClientAsyncWorker.cpp
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@ -23,8 +23,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
namespace RandomX {
template<bool softAes>
LightClientAsyncWorker<softAes>::LightClientAsyncWorker(const Cache* c) : ILightClientAsyncWorker(c), output(nullptr), hasWork(false),
LightClientAsyncWorker::LightClientAsyncWorker(const Cache& c) : ILightClientAsyncWorker(c), output(nullptr), hasWork(false),
#ifdef TRACE
sw(true),
#endif
@ -32,8 +31,7 @@ namespace RandomX {
}
template<bool softAes>
void LightClientAsyncWorker<softAes>::prepareBlock(addr_t addr) {
void LightClientAsyncWorker::prepareBlock(addr_t addr) {
#ifdef TRACE
std::cout << sw.getElapsed() << ": prepareBlock-enter " << addr / CacheLineSize << std::endl;
#endif
@ -50,14 +48,13 @@ namespace RandomX {
notifier.notify_one();
}
template<bool softAes>
const uint64_t* LightClientAsyncWorker<softAes>::getBlock(addr_t addr) {
const uint64_t* LightClientAsyncWorker::getBlock(addr_t addr) {
#ifdef TRACE
std::cout << sw.getElapsed() << ": getBlock-enter " << addr / CacheLineSize << std::endl;
#endif
uint32_t currentBlock = addr / CacheLineSize;
if (currentBlock != startBlock || output != currentLine.data()) {
initBlock(cache->getCache(), (uint8_t*)currentLine.data(), currentBlock);
initBlock(cache, (uint8_t*)currentLine.data(), currentBlock);
}
else {
sync();
@ -68,8 +65,7 @@ namespace RandomX {
return currentLine.data();
}
template<bool softAes>
void LightClientAsyncWorker<softAes>::prepareBlocks(void* out, uint32_t startBlock, uint32_t blockCount) {
void LightClientAsyncWorker::prepareBlocks(void* out, uint32_t startBlock, uint32_t blockCount) {
#ifdef TRACE
std::cout << sw.getElapsed() << ": prepareBlocks-enter " << startBlock << "/" << blockCount << std::endl;
#endif
@ -83,21 +79,18 @@ namespace RandomX {
}
}
template<bool softAes>
void LightClientAsyncWorker<softAes>::getBlocks(void* out, uint32_t startBlock, uint32_t blockCount) {
void LightClientAsyncWorker::getBlocks(void* out, uint32_t startBlock, uint32_t blockCount) {
for (uint32_t i = 0; i < blockCount; ++i) {
initBlock(cache->getCache(), (uint8_t*)out + CacheLineSize * i, startBlock + i);
initBlock(cache, (uint8_t*)out + CacheLineSize * i, startBlock + i);
}
}
template<bool softAes>
void LightClientAsyncWorker<softAes>::sync() {
void LightClientAsyncWorker::sync() {
std::unique_lock<std::mutex> lk(mutex);
notifier.wait(lk, [this] { return !hasWork; });
}
template<bool softAes>
void LightClientAsyncWorker<softAes>::runWorker() {
void LightClientAsyncWorker::runWorker() {
#ifdef TRACE
std::cout << sw.getElapsed() << ": runWorker-enter " << std::endl;
#endif
@ -108,7 +101,7 @@ namespace RandomX {
std::cout << sw.getElapsed() << ": runWorker-getBlocks " << startBlock << "/" << blockCount << std::endl;
#endif
//getBlocks(output, startBlock, blockCount);
initBlock(cache->getCache(), (uint8_t*)output, startBlock);
initBlock(cache, (uint8_t*)output, startBlock);
hasWork = false;
#ifdef TRACE
std::cout << sw.getElapsed() << ": runWorker-finished " << startBlock << "/" << blockCount << std::endl;
@ -117,7 +110,4 @@ namespace RandomX {
notifier.notify_one();
}
}
template class LightClientAsyncWorker<true>;
template class LightClientAsyncWorker<false>;
}

5
src/LightClientAsyncWorker.hpp
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@ -31,14 +31,11 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
namespace RandomX {
class Cache;
using DatasetLine = std::array<uint64_t, CacheLineSize / sizeof(uint64_t)>;
template<bool softAes>
class LightClientAsyncWorker : public ILightClientAsyncWorker {
public:
LightClientAsyncWorker(const Cache*);
LightClientAsyncWorker(const Cache&);
void prepareBlock(addr_t) final;
void prepareBlocks(void* out, uint32_t startBlock, uint32_t blockCount) final;
const uint64_t* getBlock(addr_t) final;

3
src/VirtualMachine.cpp
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@ -58,7 +58,7 @@ namespace RandomX {
}
VirtualMachine::VirtualMachine() {
mem.ds.dataset = nullptr;
mem.ds.dataset.memory = nullptr;
}
void VirtualMachine::resetRoundingMode() {
@ -84,6 +84,7 @@ namespace RandomX {
readReg2 = 4 + (addressRegisters & 1);
addressRegisters >>= 1;
readReg3 = 6 + (addressRegisters & 1);
datasetBase = program.getEntropy(14) % datasetRange;
}
template<bool softAes>

4
src/VirtualMachine.hpp
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@ -30,7 +30,7 @@ namespace RandomX {
public:
VirtualMachine();
virtual ~VirtualMachine() {}
virtual void setDataset(dataset_t ds) = 0;
virtual void setDataset(dataset_t ds, uint64_t size) = 0;
void setScratchpad(void* ptr) {
scratchpad = (uint8_t*)ptr;
}
@ -51,5 +51,7 @@ namespace RandomX {
MemoryRegisters mem;
uint8_t* scratchpad;
uint32_t readReg0, readReg1, readReg2, readReg3;
uint32_t datasetRange;
uint32_t datasetBase;
};
}

22
src/common.hpp
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@ -29,7 +29,8 @@ namespace RandomX {
static_assert((RANDOMX_ARGON_MEMORY & (RANDOMX_ARGON_MEMORY - 1)) == 0, "RANDOMX_ARGON_MEMORY must be a power of 2.");
static_assert((RANDOMX_DATASET_SIZE & (RANDOMX_DATASET_SIZE - 1)) == 0, "RANDOMX_DATASET_SIZE must be a power of 2.");
static_assert(RANDOMX_DATASET_SIZE <= 4294967296ULL, "RANDOMX_DATASET_SIZE must not exceed 4294967296.");
static_assert(RANDOMX_DS_GROWTH_RATE % 64 == 0, "RANDOMX_DS_GROWTH_RATE must be divisible by 64.");
static_assert(RANDOMX_DS_GROWTH % 64 == 0, "RANDOMX_DS_GROWTH must be divisible by 64.");
static_assert(RANDOMX_ARGON_GROWTH >= 0, "RANDOMX_ARGON_GROWTH must be greater than or equal to 0.");
static_assert(RANDOMX_PROGRAM_SIZE > 0, "RANDOMX_PROGRAM_SIZE must be greater than 0");
static_assert(RANDOMX_PROGRAM_ITERATIONS > 0, "RANDOMX_PROGRAM_ITERATIONS must be greater than 0");
static_assert(RANDOMX_PROGRAM_COUNT > 0, "RANDOMX_PROGRAM_COUNT must be greater than 0");
@ -54,6 +55,7 @@ namespace RandomX {
constexpr int SeedSize = 32;
constexpr int ResultSize = 64;
constexpr int ArgonBlockSize = 1024;
constexpr int ArgonSaltSize = sizeof(RANDOMX_ARGON_SALT) - 1;
constexpr int CacheLineSize = 64;
constexpr uint32_t CacheLineAlignMask = (RANDOMX_DATASET_SIZE - 1) & ~(CacheLineSize - 1);
@ -94,7 +96,13 @@ namespace RandomX {
constexpr int ScratchpadL3Mask64 = (ScratchpadL3 / 8 - 1) * 64;
constexpr int RegistersCount = 8;
class Cache;
struct Cache {
uint8_t* memory;
uint64_t size;
};
struct Dataset : public Cache {
};
class ILightClientAsyncWorker {
public:
@ -104,17 +112,17 @@ namespace RandomX {
virtual const uint64_t* getBlock(addr_t) = 0;
virtual void getBlocks(void* out, uint32_t startBlock, uint32_t blockCount) = 0;
virtual void sync() = 0;
const Cache* getCache() {
const Cache& getCache() {
return cache;
}
protected:
ILightClientAsyncWorker(const Cache* c) : cache(c) {}
const Cache* cache;
ILightClientAsyncWorker(const Cache& c) : cache(c) {}
const Cache& cache;
};
union dataset_t {
uint8_t* dataset;
Cache* cache;
Dataset dataset;
Cache cache;
ILightClientAsyncWorker* asyncWorker;
};

79
src/configuration.h
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@ -22,6 +22,9 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
//Cache size in KiB. Must be a power of 2.
#define RANDOMX_ARGON_MEMORY (256 * 1024)
//Cache growth per epoch in KiB.
#define RANDOMX_ARGON_GROWTH 0
//Number of Argon2d iterations for Cache initialization
#define RANDOMX_ARGON_ITERATIONS 3
@ -38,7 +41,10 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#define RANDOMX_DATASET_SIZE (4ULL * 1024 * 1024 * 1024)
//Dataset growth per epoch in bytes. Must be divisible by 64.
#define RANDOMX_DS_GROWTH_RATE (2 * 1024 * 1024)
#define RANDOMX_DS_GROWTH (2 * 1024 * 1024)
//Number of blocks per epoch
#define RANDOMX_EPOCH_BLOCKS 1024
//Number of instructions in a RandomX program
#define RANDOMX_PROGRAM_SIZE 256
@ -47,7 +53,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#define RANDOMX_PROGRAM_ITERATIONS 2048
//Number of chained VM executions per hash
#define RANDOMX_PROGRAM_COUNT 8
#define RANDOMX_PROGRAM_COUNT 8
//Scratchpad L3 size in bytes. Must be a power of 2.
#define RANDOMX_SCRATCHPAD_L3 (2 * 1024 * 1024)
@ -63,39 +69,42 @@ Instruction frequencies (per 256 opcodes)
Total sum of frequencies must be 256
*/
#define RANDOMX_FREQ_IADD_R 12
#define RANDOMX_FREQ_IADD_M 7
#define RANDOMX_FREQ_IADD_RC 16
#define RANDOMX_FREQ_ISUB_R 12
#define RANDOMX_FREQ_ISUB_M 7
#define RANDOMX_FREQ_IMUL_9C 9
#define RANDOMX_FREQ_IMUL_R 16
#define RANDOMX_FREQ_IMUL_M 4
#define RANDOMX_FREQ_IMULH_R 4
#define RANDOMX_FREQ_IMULH_M 1
#define RANDOMX_FREQ_ISMULH_R 4
#define RANDOMX_FREQ_ISMULH_M 1
#define RANDOMX_FREQ_IMUL_RCP 8
#define RANDOMX_FREQ_INEG_R 2
#define RANDOMX_FREQ_IXOR_R 16
#define RANDOMX_FREQ_IXOR_M 4
#define RANDOMX_FREQ_IROR_R 10
#define RANDOMX_FREQ_IROL_R 0
#define RANDOMX_FREQ_ISWAP_R 4
#define RANDOMX_FREQ_IADD_R 12
#define RANDOMX_FREQ_IADD_M 7
#define RANDOMX_FREQ_IADD_RC 16
#define RANDOMX_FREQ_ISUB_R 12
#define RANDOMX_FREQ_ISUB_M 7
#define RANDOMX_FREQ_IMUL_9C 9
#define RANDOMX_FREQ_IMUL_R 16
#define RANDOMX_FREQ_IMUL_M 4
#define RANDOMX_FREQ_IMULH_R 4
#define RANDOMX_FREQ_IMULH_M 1
#define RANDOMX_FREQ_ISMULH_R 4
#define RANDOMX_FREQ_ISMULH_M 1
#define RANDOMX_FREQ_IMUL_RCP 8
#define RANDOMX_FREQ_INEG_R 2
#define RANDOMX_FREQ_IXOR_R 16
#define RANDOMX_FREQ_IXOR_M 4
#define RANDOMX_FREQ_IROR_R 10
#define RANDOMX_FREQ_IROL_R 0
#define RANDOMX_FREQ_ISWAP_R 4
#define RANDOMX_FREQ_FSWAP_R 8
#define RANDOMX_FREQ_FADD_R 20
#define RANDOMX_FREQ_FADD_M 5
#define RANDOMX_FREQ_FSUB_R 20
#define RANDOMX_FREQ_FSUB_M 5
#define RANDOMX_FREQ_FSCAL_R 6
#define RANDOMX_FREQ_FMUL_R 20
#define RANDOMX_FREQ_FDIV_M 4
#define RANDOMX_FREQ_FSQRT_R 6
#define RANDOMX_FREQ_FSWAP_R 8
#define RANDOMX_FREQ_FADD_R 20
#define RANDOMX_FREQ_FADD_M 5
#define RANDOMX_FREQ_FSUB_R 20
#define RANDOMX_FREQ_FSUB_M 5
#define RANDOMX_FREQ_FSCAL_R 6
#define RANDOMX_FREQ_FMUL_R 20
#define RANDOMX_FREQ_FDIV_M 4
#define RANDOMX_FREQ_FSQRT_R 6
#define RANDOMX_FREQ_COND_R 7
#define RANDOMX_FREQ_COND_M 1
#define RANDOMX_FREQ_CFROUND 1
#define RANDOMX_FREQ_ISTORE 16
#define RANDOMX_FREQ_COND_R 7
#define RANDOMX_FREQ_COND_M 1
#define RANDOMX_FREQ_CFROUND 1
#define RANDOMX_FREQ_ISTORE 16
#define RANDOMX_FREQ_NOP 0
#define RANDOMX_FREQ_NOP 0
/* ------
256
*/

41
src/dataset.cpp
View File

@ -21,6 +21,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
#include <algorithm>
#include <stdexcept>
#include <cstring>
#include <limits>
#include "common.hpp"
#include "dataset.hpp"
@ -39,7 +40,7 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
namespace RandomX {
void initBlock(const uint8_t* cache, uint8_t* out, uint32_t blockNumber) {
void initBlock(const Cache& cache, uint8_t* out, uint64_t blockNumber) {
uint64_t c0, c1, c2, c3, c4, c5, c6, c7;
c0 = 4ULL * blockNumber;
@ -48,7 +49,15 @@ namespace RandomX {
constexpr uint32_t mask = (CacheSize - 1) & CacheLineAlignMask;
for (auto i = 0; i < RANDOMX_CACHE_ACCESSES; ++i) {
const uint8_t* mixBlock = cache + (c0 & mask);
const uint8_t* mixBlock;
if (RANDOMX_ARGON_GROWTH == 0) {
constexpr uint32_t mask = (RANDOMX_ARGON_MEMORY * ArgonBlockSize / CacheLineSize - 1);
mixBlock = cache.memory + (c0 & mask) * CacheLineSize;
}
else {
const uint32_t modulus = cache.size / CacheLineSize;
mixBlock = cache.memory + (c0 % modulus) * CacheLineSize;
}
PREFETCHNTA(mixBlock);
c0 = squareHash(c0);
c0 ^= load64(mixBlock + 0);
@ -72,11 +81,11 @@ namespace RandomX {
}
void datasetRead(addr_t addr, MemoryRegisters& memory, RegisterFile& reg) {
uint64_t* datasetLine = (uint64_t*)(memory.ds.dataset + memory.ma);
uint64_t* datasetLine = (uint64_t*)(memory.ds.dataset.memory + memory.ma);
memory.mx ^= addr;
memory.mx &= -64; //align to cache line
std::swap(memory.mx, memory.ma);
PREFETCHNTA(memory.ds.dataset + memory.ma);
PREFETCHNTA(memory.ds.dataset.memory + memory.ma);
for (int i = 0; i < RegistersCount; ++i)
reg.r[i] ^= datasetLine[i];
}
@ -84,9 +93,9 @@ namespace RandomX {
void datasetReadLight(addr_t addr, MemoryRegisters& memory, int_reg_t (&reg)[RegistersCount]) {
memory.mx ^= addr;
memory.mx &= CacheLineAlignMask; //align to cache line
Cache* cache = memory.ds.cache;
Cache& cache = memory.ds.cache;
uint64_t datasetLine[CacheLineSize / sizeof(uint64_t)];
initBlock(cache->getCache(), (uint8_t*)datasetLine, memory.ma / CacheLineSize);
initBlock(cache, (uint8_t*)datasetLine, memory.ma / CacheLineSize);
for (int i = 0; i < RegistersCount; ++i)
reg[i] ^= datasetLine[i];
std::swap(memory.mx, memory.ma);
@ -103,28 +112,28 @@ namespace RandomX {
aw->prepareBlock(memory.ma);
}
void datasetAlloc(dataset_t& ds, uint64_t size, bool largePages) {
if (sizeof(size_t) <= 4)
void datasetAlloc(dataset_t& ds, bool largePages) {
if (std::numeric_limits<size_t>::max() < RANDOMX_DATASET_SIZE)
throw std::runtime_error("Platform doesn't support enough memory for the dataset");
if (largePages) {
ds.dataset = (uint8_t*)allocLargePagesMemory(size);
ds.dataset.memory = (uint8_t*)allocLargePagesMemory(ds.dataset.size);
}
else {
ds.dataset = (uint8_t*)_mm_malloc(size, 64);
if (ds.dataset == nullptr) {
ds.dataset.memory = (uint8_t*)_mm_malloc(ds.dataset.size, 64);
if (ds.dataset.memory == nullptr) {
throw std::runtime_error("Dataset memory allocation failed. >4 GiB of free virtual memory is needed.");
}
}
}
void datasetInit(Cache* cache, dataset_t ds, uint32_t startBlock, uint32_t blockCount) {
for (uint32_t i = startBlock; i < startBlock + blockCount; ++i) {
initBlock(cache->getCache(), ds.dataset + i * CacheLineSize, i);
void datasetInit(Cache& cache, Dataset& ds, uint32_t startBlock, uint32_t blockCount) {
for (uint64_t i = startBlock; i < startBlock + blockCount; ++i) {
initBlock(cache, ds.memory + i * CacheLineSize, i);
}
}
void datasetInitCache(const void* seed, dataset_t& ds, bool largePages) {
ds.cache = new(Cache::alloc(largePages)) Cache();
ds.cache->initialize(seed, SeedSize);
ds.cache.memory = allocCache(ds.cache.size, largePages);
argonFill(ds.cache, seed, SeedSize);
}
}

9
src/dataset.hpp
View File

@ -25,14 +25,11 @@ along with RandomX. If not, see<http://www.gnu.org/licenses/>.
namespace RandomX {
template<bool soft, bool enc>
void initBlock(const uint8_t* in, uint8_t* out, uint32_t blockNumber);
void initBlock(const Cache& cache, uint8_t* out, uint64_t blockNumber);
void initBlock(const uint8_t* cache, uint8_t* block, uint32_t blockNumber);
void datasetAlloc(dataset_t& ds, bool largePages);
void datasetAlloc(dataset_t& ds, uint64_t size, bool largePages);
void datasetInit(Cache* cache, dataset_t ds, uint32_t startBlock, uint32_t blockCount);
void datasetInit(Cache& cache, Dataset& ds, uint32_t startBlock, uint32_t blockCount);
void datasetRead(addr_t addr, MemoryRegisters& memory, RegisterFile&);

29
src/main.cpp
View File

@ -203,7 +203,7 @@ void mine(RandomX::VirtualMachine* vm, std::atomic<uint32_t>& atomicNonce, Atomi
int main(int argc, char** argv) {
bool softAes, genAsm, miningMode, verificationMode, help, largePages, async, genNative;
int programCount, threadCount, initThreadCount;
int programCount, threadCount, initThreadCount, epoch;
readOption("--softAes", argc, argv, softAes);
readOption("--genAsm", argc, argv, genAsm);
@ -212,6 +212,7 @@ int main(int argc, char** argv) {
readIntOption("--threads", argc, argv, threadCount, 1);
readIntOption("--nonces", argc, argv, programCount, 1000);
readIntOption("--init", argc, argv, initThreadCount, 1);
readIntOption("--epoch", argc, argv, epoch, 0);
readOption("--largePages", argc, argv, largePages);
readOption("--async", argc, argv, async);
readOption("--genNative", argc, argv, genNative);
@ -246,6 +247,9 @@ int main(int argc, char** argv) {
std::vector<RandomX::VirtualMachine*> vms;
std::vector<std::thread> threads;
RandomX::dataset_t dataset;
const uint64_t cacheSize = (RANDOMX_ARGON_MEMORY + RANDOMX_ARGON_GROWTH * epoch) * RandomX::ArgonBlockSize;
const uint64_t datasetSize = (RANDOMX_DATASET_SIZE + RANDOMX_DS_GROWTH * epoch);
dataset.cache.size = cacheSize;
std::cout << "RandomX - " << (miningMode ? "mining" : "verification") << " mode" << std::endl;
@ -259,33 +263,34 @@ int main(int argc, char** argv) {
RandomX::datasetInitCache(seed, dataset, largePages);
if (RandomX::trace) {
std::cout << "Cache: " << std::endl;
outputHex(std::cout, (char*)dataset.cache->getCache(), sizeof(__m128i));
outputHex(std::cout, (char*)dataset.cache.memory, sizeof(__m128i));
std::cout << std::endl;
}
if (!miningMode) {
std::cout << "Cache (256 MiB) initialized in " << sw.getElapsed() << " s" << std::endl;
std::cout << "Cache (" << cacheSize << " bytes) initialized in " << sw.getElapsed() << " s" << std::endl;
}
else {
RandomX::Cache* cache = dataset.cache;
RandomX::datasetAlloc(dataset, RANDOMX_DATASET_SIZE, largePages);
const uint64_t datasetBlockCount = RANDOMX_DATASET_SIZE / RandomX::CacheLineSize;
auto cache = dataset.cache;
dataset.dataset.size = datasetSize;
RandomX::datasetAlloc(dataset, largePages);
const uint64_t datasetBlockCount = datasetSize / RandomX::CacheLineSize;
if (initThreadCount > 1) {
auto perThread = datasetBlockCount / initThreadCount;
auto remainder = datasetBlockCount % initThreadCount;
for (int i = 0; i < initThreadCount; ++i) {
auto count = perThread + (i == initThreadCount - 1 ? remainder : 0);
threads.push_back(std::thread(&RandomX::datasetInit, cache, dataset, i * perThread, count));
threads.push_back(std::thread(&RandomX::datasetInit, std::ref(cache), std::ref(dataset.dataset), i * perThread, count));
}
for (unsigned i = 0; i < threads.size(); ++i) {
threads[i].join();
}
}
else {
RandomX::datasetInit(cache, dataset, 0, datasetBlockCount);
RandomX::datasetInit(cache, dataset.dataset, 0, datasetBlockCount);
}
RandomX::Cache::dealloc(cache, largePages);
RandomX::deallocCache(cache, largePages);
threads.clear();
std::cout << "Dataset (4 GiB) initialized in " << sw.getElapsed() << " s" << std::endl;
std::cout << "Dataset (" << datasetSize << " bytes) initialized in " << sw.getElapsed() << " s" << std::endl;
}
std::cout << "Initializing " << threadCount << " virtual machine(s) ..." << std::endl;
for (int i = 0; i < threadCount; ++i) {
@ -296,7 +301,7 @@ int main(int argc, char** argv) {
else {
vm = new RandomX::InterpretedVirtualMachine(softAes, async);
}
vm->setDataset(dataset);
vm->setDataset(dataset, datasetSize);
vms.push_back(vm);
}
uint8_t* scratchpadMem;
@ -331,7 +336,7 @@ int main(int argc, char** argv) {
std::cout << "Calculated result: ";
result.print(std::cout);
if(programCount == 1000)
std::cout << "Reference result: 128599cc10f9f6251e7917fa1d09ab2116ab4081bf1357149bd4054275dd8ee9" << std::endl;
std::cout << "Reference result: 9c28aa1b38c55233dfa8676838db77f2ed02415ea8f7052474ce8fcdee62dcc4" << std::endl;
if (!miningMode) {
std::cout << "Performance: " << 1000 * elapsed / programCount << " ms per hash" << std::endl;
}