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Fixed excessive memory allocation.

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This commit is contained in:
XMRig
2019-09-30 08:28:25 +07:00
parent 3560b6a3c2
commit 6bc217e985
3 changed files with 38 additions and 7 deletions
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21
src/backend/opencl/runners/tools/OclSharedData.cpp
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@@ -31,11 +31,30 @@
#include "crypto/rx/RxDataset.h"
#include <algorithm>
#include <cinttypes>
#include <stdexcept>
#include <thread>
constexpr size_t oneGiB = 1024 * 1024 * 1024;
cl_mem xmrig::OclSharedData::createBuffer(cl_context context, size_t size, size_t &offset)
{
std::lock_guard<std::mutex> lock(m_mutex);
offset += size * m_offset++;
size = std::max(size * m_threads, oneGiB);
if (!m_buffer) {
m_buffer = OclLib::createBuffer(context, CL_MEM_READ_WRITE, size);
}
return OclLib::retain(m_buffer);
}
uint64_t xmrig::OclSharedData::adjustDelay(size_t id)
{
if (m_threads < 2) {
@@ -113,6 +132,8 @@ uint64_t xmrig::OclSharedData::resumeDelay(size_t id)
void xmrig::OclSharedData::release()
{
OclLib::release(m_buffer);
# ifdef XMRIG_ALGO_RANDOMX
OclLib::release(m_dataset);
# endif

7
src/backend/opencl/runners/tools/OclSharedData.h
View File

@@ -45,13 +45,16 @@ class OclSharedData
public:
OclSharedData() = default;
cl_mem createBuffer(cl_context context, size_t size, size_t &offset);
uint64_t adjustDelay(size_t id);
uint64_t resumeDelay(size_t id);
void release();
void setResumeCounter(uint32_t value);
void setRunTime(uint64_t time);
inline OclSharedData &operator++() { ++m_threads; return *this; }
inline size_t threads() const { return m_threads; }
inline OclSharedData &operator++() { ++m_threads; return *this; }
# ifdef XMRIG_ALGO_RANDOMX
cl_mem dataset() const;
@@ -59,8 +62,10 @@ public:
# endif
private:
cl_mem m_buffer = nullptr;
double m_averageRunTime = 0.0;
double m_threshold = 0.95;
size_t m_offset = 0;
size_t m_threads = 0;
std::mutex m_mutex;
uint32_t m_resumeCounter = 0;