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#pragma once
#include "autoAdjust.hpp"
#include "nvcc_code/cryptonight.hpp"
#include "jconf.hpp"
#include "xmrstak/misc/console.hpp"
#include "xmrstak/misc/configEditor.hpp"
#include "xmrstak/params.hpp"
#include <vector>
#include <cstdio>
#include <sstream>
#include <string>
namespace xmrstak
{
namespace nvidia
{
class autoAdjust
{
public:
autoAdjust()
{
}
/** print the adjusted values if needed
*
* Routine exit the application and print the adjusted values if needed else
* nothing is happened.
*/
bool printConfig()
{
int deviceCount = 0;
if(cuda_get_devicecount(&deviceCount) == 0)
return false;
// evaluate config parameter for if auto adjustment is needed
for(int i = 0; i < deviceCount; i++)
{
nvid_ctx ctx;
ctx.device_id = i;
// -1 trigger auto adjustment
ctx.device_blocks = -1;
ctx.device_threads = -1;
// set all device option those marked as auto (-1) to a valid value
#ifndef _WIN32
ctx.device_bfactor = 0;
ctx.device_bsleep = 0;
#else
// windows pass, try to avoid that windows kills the miner if the gpu is blocked for 2 seconds
ctx.device_bfactor = 6;
ctx.device_bsleep = 25;
#endif
if(cuda_get_deviceinfo(&ctx) == 0)
nvidCtxVec.push_back(ctx);
else
printer::inst()->print_msg(L0, "WARNING: NVIDIA setup failed for GPU %d.\n", i);
}
generateThreadConfig();
return true;
}
private:
void generateThreadConfig()
{
// load the template of the backend config into a char variable
const char *tpl =
#include "./config.tpl"
;
configEditor configTpl{};
configTpl.set( std::string(tpl) );
constexpr size_t byte2mib = 1024u * 1024u;
std::string conf;
for(auto& ctx : nvidCtxVec)
{
if(ctx.device_threads * ctx.device_blocks > 0)
{
conf += std::string(" // gpu: ") + ctx.name + " architecture: " + std::to_string(ctx.device_arch[0] * 10 + ctx.device_arch[1]) + "\n";
conf += std::string(" // memory: ") + std::to_string(ctx.free_device_memory / byte2mib) + "/" + std::to_string(ctx.total_device_memory / byte2mib) + " MiB\n";
conf += std::string(" // smx: ") + std::to_string(ctx.device_mpcount) + "\n";
conf += std::string(" { \"index\" : ") + std::to_string(ctx.device_id) + ",\n" +
" \"threads\" : " + std::to_string(ctx.device_threads) + ", \"blocks\" : " + std::to_string(ctx.device_blocks) + ",\n" +
" \"bfactor\" : " + std::to_string(ctx.device_bfactor) + ", \"bsleep\" : " + std::to_string(ctx.device_bsleep) + ",\n" +
" \"affine_to_cpu\" : false, \"sync_mode\" : 3,\n" +
" },\n";
}
}
configTpl.replace("GPUCONFIG",conf);
configTpl.write(params::inst().configFileNVIDIA);
printer::inst()->print_msg(L0, "NVIDIA: GPU configuration stored in file '%s'", params::inst().configFileNVIDIA.c_str());
}
std::vector<nvid_ctx> nvidCtxVec;
};
} // namespace nvidia
} // namespace xmrstak
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