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KawPow WIP

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This commit is contained in:
SChernykh 2020-05-24 23:57:41 +02:00
parent 07025dc41b
commit 22b937cc1c
88 changed files with 11004 additions and 8383 deletions
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49
src/backend/opencl/generators/ocl_generic_cn_gpu_generator.cpp → src/backend/opencl/generators/ocl_generic_kawpow_generator.cpp
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@ -27,59 +27,20 @@
#include "backend/opencl/OclThreads.h"
#include "backend/opencl/wrappers/OclDevice.h"
#include "base/crypto/Algorithm.h"
#include <algorithm>
#include "crypto/randomx/randomx.h"
#include "crypto/rx/RxAlgo.h"
namespace xmrig {
constexpr const size_t oneMiB = 1024u * 1024u;
bool ocl_generic_cn_gpu_generator(const OclDevice &device, const Algorithm &algorithm, OclThreads &threads)
bool ocl_generic_kawpow_generator(const OclDevice &device, const Algorithm &algorithm, OclThreads &threads)
{
if (algorithm != Algorithm::CN_GPU) {
if (algorithm.family() != Algorithm::KAWPOW) {
return false;
}
uint32_t worksize = 8;
uint32_t numThreads = 1u;
size_t minFreeMem = 128u * oneMiB;
if (device.type() == OclDevice::Vega_10 || device.type() == OclDevice::Vega_20) {
minFreeMem = oneMiB;
worksize = 16;
}
else if (device.type() == OclDevice::Navi_10) {
numThreads = 2u;
}
else if (device.name() == "Fiji") {
worksize = 16;
}
size_t maxThreads = device.computeUnits() * 6 * 8;
const size_t maxAvailableFreeMem = device.freeMemSize() - minFreeMem;
const size_t memPerThread = std::min(device.maxMemAllocSize(), maxAvailableFreeMem);
size_t memPerHash = algorithm.l3() + 240u;
size_t maxIntensity = memPerThread / memPerHash;
size_t possibleIntensity = std::min(maxThreads, maxIntensity);
size_t intensity = 0;
size_t cuUtilization = ((possibleIntensity * 100) / (worksize * device.computeUnits())) % 100;
if (cuUtilization >= 75) {
intensity = (possibleIntensity / worksize) * worksize;
}
else {
intensity = (possibleIntensity / (worksize * device.computeUnits())) * device.computeUnits() * worksize;
}
threads.add(OclThread(device.index(), intensity, worksize, numThreads, 1));
threads.add(OclThread(device.index(), device.computeUnits() * 262144, 1));
return true;
}