private void BuildEthashProgram()
{
ComputeDevice computeDevice = OpenCLDevice.GetComputeDevice();
try { mProgramArrayMutex.WaitOne(5000); } catch (Exception) { }
if (mEthashProgramArray.ContainsKey(new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }))
{
mEthashProgram = mEthashProgramArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }];
mEthashDAGKernel = mEthashDAGKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }];
mEthashSearchKernel = mEthashSearchKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }];
}
else
{
try
{
if (mEthashLocalWorkSizeArray[0] != 192)
{
throw new Exception("No suitable binary file was found.");
}
string fileName = @"BinaryKernels\" + computeDevice.Name + "_ethash.bin";
byte[] binary = System.IO.File.ReadAllBytes(fileName);
mEthashProgram = new ComputeProgram(Context, new List <byte[]>()
{
binary
}, new List <ComputeDevice>()
{
computeDevice
});
MainForm.Logger("Loaded " + fileName + " for Device #" + DeviceIndex + ".");
}
catch (Exception)
{
//MainForm.Logger("ex.message: " + ex.Message);
String source = System.IO.File.ReadAllText(@"Kernels\ethash.cl");
mEthashProgram = new ComputeProgram(Context, source);
MainForm.Logger(@"Loaded Kernels\ethash.cl for Device #" + DeviceIndex + ".");
}
String buildOptions = (OpenCLDevice.GetVendor() == "AMD" ? "-O1 " :
OpenCLDevice.GetVendor() == "NVIDIA" ? "" : // "-cl-nv-opt-level=1 -cl-nv-maxrregcount=256 " :
"")
+ " -IKernels -DWORKSIZE=" + mEthashLocalWorkSizeArray[0];
try
{
mEthashProgram.Build(OpenCLDevice.DeviceList, buildOptions, null, IntPtr.Zero);
}
catch (Exception)
{
MainForm.Logger(mEthashProgram.GetBuildLog(computeDevice));
throw;
}
MainForm.Logger("Built Ethash program for Device #" + DeviceIndex + ".");
MainForm.Logger("Build options: " + buildOptions);
mEthashProgramArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }] = mEthashProgram;
mEthashDAGKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }] = mEthashDAGKernel = mEthashProgram.CreateKernel("GenerateDAG");
mEthashSearchKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }] = mEthashSearchKernel = mEthashProgram.CreateKernel("search");
}
try { mProgramArrayMutex.ReleaseMutex(); } catch (Exception) { }
}
public void BuildNeoScryptProgram()
{
ComputeDevice computeDevice = OpenCLDevice.GetComputeDevice();
try { mProgramArrayMutex.WaitOne(5000); } catch (Exception) { }
if (mNeoScryptProgramArray.ContainsKey(new ProgramArrayIndex(DeviceIndex, mNeoScryptLocalWorkSizeArray[0])))
{
mNeoScryptProgram = mNeoScryptProgramArray[new ProgramArrayIndex(DeviceIndex, mNeoScryptLocalWorkSizeArray[0])];
mNeoScryptSearchKernel = mNeoScryptSearchKernelArray[new ProgramArrayIndex(DeviceIndex, mNeoScryptLocalWorkSizeArray[0])];
}
else
{
String source = System.IO.File.ReadAllText(@"Kernels\neoscrypt.cl");
mNeoScryptProgram = new ComputeProgram(Context, source);
MainForm.Logger(@"Loaded Kernels\neoscrypt.cl for Device #" + DeviceIndex + ".");
String buildOptions = (OpenCLDevice.GetVendor() == "AMD" ? "-O5 -legacy" : // "-legacy" :
OpenCLDevice.GetVendor() == "NVIDIA" ? "" : //"-cl-nv-opt-level=1 -cl-nv-maxrregcount=256 " :
"")
+ " -IKernels -DWORKSIZE=" + mNeoScryptLocalWorkSizeArray[0];
try {
mNeoScryptProgram.Build(OpenCLDevice.DeviceList, buildOptions, null, IntPtr.Zero);
} catch (Exception) {
MainForm.Logger(mNeoScryptProgram.GetBuildLog(computeDevice));
throw;
}
MainForm.Logger("Built NeoScrypt program for Device #" + DeviceIndex + ".");
MainForm.Logger("Build options: " + buildOptions);
mNeoScryptProgramArray[new ProgramArrayIndex(DeviceIndex, mNeoScryptLocalWorkSizeArray[0])] = mNeoScryptProgram;
mNeoScryptSearchKernelArray[new ProgramArrayIndex(DeviceIndex, mNeoScryptLocalWorkSizeArray[0])] = mNeoScryptSearchKernel = mNeoScryptProgram.CreateKernel("search");
}
try { mProgramArrayMutex.ReleaseMutex(); } catch (Exception) { }
}
public void BuildLbryProgram()
{
ComputeDevice computeDevice = OpenCLDevice.GetComputeDevice();
try { mProgramArrayMutex.WaitOne(5000); } catch (Exception) { }
if (mLbryProgramArray.ContainsKey(new ProgramArrayIndex(DeviceIndex, mLbryLocalWorkSizeArray[0])))
{
mLbryProgram = mLbryProgramArray[new ProgramArrayIndex(DeviceIndex, mLbryLocalWorkSizeArray[0])];
mLbrySearchKernel = mLbrySearchKernelArray[new ProgramArrayIndex(DeviceIndex, mLbryLocalWorkSizeArray[0])];
}
else
{
try
{
if (mLbryLocalWorkSizeArray[0] != 256)
{
throw new Exception("No suitable binary file was found.");
}
string fileName = @"BinaryKernels\" + computeDevice.Name + "_lbry.bin";
byte[] binary = System.IO.File.ReadAllBytes(fileName);
mLbryProgram = new ComputeProgram(Context, new List <byte[]>()
{
binary
}, new List <ComputeDevice>()
{
computeDevice
});
//MainForm.Logger("Loaded " + fileName + " for Device #" + DeviceIndex + ".");
}
catch (Exception)
{
String source = System.IO.File.ReadAllText(@"Kernels\lbry.cl");
mLbryProgram = new ComputeProgram(Context, source);
//MainForm.Logger(@"Loaded Kernels\lbry.cl for Device #" + DeviceIndex + ".");
}
String buildOptions = (OpenCLDevice.GetVendor() == "AMD" ? "-O1 " : //"-O1 " :
OpenCLDevice.GetVendor() == "NVIDIA" ? "" : //"-cl-nv-opt-level=1 -cl-nv-maxrregcount=256 " :
"")
+ " -IKernels -DWORKSIZE=" + mLbryLocalWorkSizeArray[0] + " -DITERATIONS=" + mIterations;
try
{
mLbryProgram.Build(OpenCLDevice.DeviceList, buildOptions, null, IntPtr.Zero);
}
catch (Exception)
{
MainForm.Logger(mLbryProgram.GetBuildLog(computeDevice));
throw;
}
//MainForm.Logger("Built Lbry program for Device #" + DeviceIndex + ".");
//MainForm.Logger("Build options: " + buildOptions);
mLbryProgramArray[new ProgramArrayIndex(DeviceIndex, mLbryLocalWorkSizeArray[0])] = mLbryProgram;
mLbrySearchKernelArray[new ProgramArrayIndex(DeviceIndex, mLbryLocalWorkSizeArray[0])] = mLbrySearchKernel = mLbryProgram.CreateKernel("search_combined");
}
try { mProgramArrayMutex.ReleaseMutex(); } catch (Exception) { }
}
private void BuildEthashProgram()
{
ComputeDevice computeDevice = OpenCLDevice.GetComputeDevice();
try { mProgramArrayMutex.WaitOne(5000); } catch (Exception) { }
if (mEthashProgramArray.ContainsKey(new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }))
{
mEthashProgram = mEthashProgramArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }];
mEthashDAGKernel = mEthashDAGKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }];
mEthashSearchKernel = mEthashSearchKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }];
}
else
{
String source = System.IO.File.ReadAllText(@"Kernels\ethash_lbry.cl");
mEthashProgram = new ComputeProgram(Context, source);
MainForm.Logger(@"Loaded Kernels\ethash_lbry.cl for Device #" + DeviceIndex + ".");
String buildOptions = (OpenCLDevice.GetVendor() == "AMD" ? "-O1 " :
OpenCLDevice.GetVendor() == "NVIDIA" ? "" : // "-cl-nv-opt-level=1 -cl-nv-maxrregcount=256 " :
"")
+ " -IKernels -DWORKSIZE=" + mEthashLocalWorkSizeArray[0];
try
{
mEthashProgram.Build(OpenCLDevice.DeviceList, buildOptions, null, IntPtr.Zero);
}
catch (Exception)
{
MainForm.Logger(mEthashProgram.GetBuildLog(computeDevice));
throw;
}
MainForm.Logger("Built Ethash program for Device #" + DeviceIndex + ".");
MainForm.Logger("Build options: " + buildOptions);
mEthashProgramArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }] = mEthashProgram;
mEthashDAGKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }] = mEthashDAGKernel = mEthashProgram.CreateKernel("GenerateDAG");
mEthashSearchKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }] = mEthashSearchKernel = mEthashProgram.CreateKernel("search");
}
try { mProgramArrayMutex.ReleaseMutex(); } catch (Exception) { }
}
private void BuildEthashProgram()
{
ComputeDevice computeDevice = OpenCLDevice.GetComputeDevice();
try { mProgramArrayMutex.WaitOne(5000); } catch (Exception) { }
if (mEthashProgramArray.ContainsKey(new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }))
{
mEthashProgram = mEthashProgramArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }];
mEthashDAGKernel = mEthashDAGKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }];
mEthashSearchKernel = mEthashSearchKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }];
}
else
{
mEthashProgram = BuildProgram("ethash_lbry", mEthashLocalWorkSizeArray[0], "-O1", "", "");
mEthashProgramArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }] = mEthashProgram;
mEthashDAGKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }] = mEthashDAGKernel = mEthashProgram.CreateKernel("GenerateDAG");
mEthashSearchKernelArray[new long[] { DeviceIndex, mEthashLocalWorkSizeArray[0] }] = mEthashSearchKernel = mEthashProgram.CreateKernel("search");
}
try { mProgramArrayMutex.ReleaseMutex(); } catch (Exception) { }
}
override unsafe protected void MinerThread()
{
ComputeProgram program = null;
ComputeBuffer <byte> statesBuffer = null;
ComputeBuffer <byte> scratchpadsBuffer = null;
try {
Random r = new Random();
var openCLName = OpenCLDevice.GetComputeDevice().Name;
var GCN1 = openCLName == "Capeverde" || openCLName == "Hainan" || openCLName == "Oland" || openCLName == "Pitcairn" || openCLName == "Tahiti";
MarkAsAlive();
MainForm.Logger("Miner thread for Device #" + DeviceIndex + " started.");
MainForm.Logger("NiceHash mode is " + (NiceHashMode ? "on" : "off") + ".");
program = BuildProgram("cryptonight", localWorkSizeA[0], "-O5" + (GCN1 ? " -legacy" : ""), "", "");
statesBuffer = OpenCLDevice.RequestComputeByteBuffer(ComputeMemoryFlags.ReadWrite, 200 * globalWorkSizeA[0]);
scratchpadsBuffer = OpenCLDevice.RequestComputeByteBuffer(ComputeMemoryFlags.ReadWrite, ((long)1 << 21) * globalWorkSizeA[0]);
using (var searchKernel0 = program.CreateKernel("search"))
using (var searchKernel1 = program.CreateKernel("search1"))
using (var searchKernel2 = program.CreateKernel("search2"))
using (var searchKernel3 = program.CreateKernel("search3"))
using (var inputBuffer = new ComputeBuffer <byte>(Context, ComputeMemoryFlags.ReadOnly, 76))
using (var outputBuffer = new ComputeBuffer <UInt32>(Context, ComputeMemoryFlags.ReadWrite, outputSize))
using (var terminateBuffer = new ComputeBuffer <Int32>(Context, ComputeMemoryFlags.ReadWrite, 1))
fixed(Int32 *terminatePtr = terminate)
fixed(byte *inputPtr = input)
fixed(UInt32 * outputPtr = output)
while (!Stopped)
{
MarkAsAlive();
MemoryUsage =
200 * globalWorkSizeA[0]
+ ((long)1 << 21) * globalWorkSizeA[0]
+ 76 + outputSize + 1;
try {
searchKernel0.SetMemoryArgument(0, inputBuffer);
searchKernel0.SetMemoryArgument(1, scratchpadsBuffer);
searchKernel0.SetMemoryArgument(2, statesBuffer);
searchKernel1.SetMemoryArgument(0, scratchpadsBuffer);
searchKernel1.SetMemoryArgument(1, statesBuffer);
searchKernel1.SetMemoryArgument(2, terminateBuffer);
searchKernel2.SetMemoryArgument(0, scratchpadsBuffer);
searchKernel2.SetMemoryArgument(1, statesBuffer);
searchKernel3.SetMemoryArgument(0, statesBuffer);
searchKernel3.SetMemoryArgument(1, outputBuffer);
// Wait for the first job to arrive.
int elapsedTime = 0;
while ((Stratum == null || Stratum.GetJob() == null) && elapsedTime < Parameters.TimeoutForFirstJobInMilliseconds && !Stopped)
{
Thread.Sleep(100);
elapsedTime += 100;
}
if (Stratum == null || Stratum.GetJob() == null)
{
throw new TimeoutException("Stratum server failed to send a new job.");
}
System.Diagnostics.Stopwatch consoleUpdateStopwatch = new System.Diagnostics.Stopwatch();
CryptoNightStratum.Work work;
CryptoNightStratum.Job job;
while (!Stopped && (work = Stratum.GetWork()) != null && (job = work.GetJob()) != null)
{
MarkAsAlive();
Array.Copy(Utilities.StringToByteArray(job.Blob), input, 76);
byte localExtranonce = (byte)work.LocalExtranonce;
byte[] targetByteArray = Utilities.StringToByteArray(job.Target);
UInt32 startNonce;
if (NiceHashMode)
{
startNonce = ((UInt32)input[42] << (8 * 3)) | ((UInt32)localExtranonce << (8 * 2)) | (UInt32)(r.Next(0, int.MaxValue) & (0x0000ffffu));
}
else
{
startNonce = ((UInt32)localExtranonce << (8 * 3)) | (UInt32)(r.Next(0, int.MaxValue) & (0x00ffffffu));
}
UInt32 target = ((UInt32)targetByteArray[0] << 0)
| ((UInt32)targetByteArray[1] << 8)
| ((UInt32)targetByteArray[2] << 16)
| ((UInt32)targetByteArray[3] << 24);
searchKernel3.SetValueArgument <UInt32>(2, target);
Queue.Write <byte>(inputBuffer, true, 0, 76, (IntPtr)inputPtr, null);
consoleUpdateStopwatch.Start();
while (!Stopped && Stratum.GetJob() != null && Stratum.GetJob().Equals(job))
{
MarkAsAlive();
globalWorkOffsetA[0] = globalWorkOffsetB[0] = startNonce;
// Get a new local extranonce if necessary.
if (NiceHashMode)
{
if ((startNonce & 0xffff) + (UInt32)globalWorkSizeA[0] >= 0x10000)
{
break;
}
}
else
{
if ((startNonce & 0xffffff) + (UInt32)globalWorkSizeA[0] >= 0x1000000)
{
break;
}
}
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
output[255] = 0; // output[255] is used as an atomic counter.
Queue.Write <UInt32>(outputBuffer, true, 0, outputSize, (IntPtr)outputPtr, null);
terminate[0] = 0;
Queue.Write <Int32>(terminateBuffer, true, 0, 1, (IntPtr)terminatePtr, null);
Queue.Execute(searchKernel0, globalWorkOffsetA, globalWorkSizeA, localWorkSizeA, null);
Queue.Finish();
if (Stopped)
{
break;
}
Queue.Execute(searchKernel1, globalWorkOffsetB, globalWorkSizeB, localWorkSizeB, null);
Queue.Finish();
if (Stopped)
{
break;
}
Queue.Execute(searchKernel2, globalWorkOffsetA, globalWorkSizeA, localWorkSizeA, null);
Queue.Finish();
if (Stopped)
{
break;
}
Queue.Execute(searchKernel3, globalWorkOffsetB, globalWorkSizeB, localWorkSizeB, null);
Queue.Finish(); // Run the above statement before leaving the current local scope.
if (Stopped)
{
break;
}
Queue.Read <UInt32>(outputBuffer, true, 0, outputSize, (IntPtr)outputPtr, null);
if (Stratum.GetJob() != null && Stratum.GetJob().Equals(job))
{
for (int i = 0; i < output[255]; ++i)
{
String result = "";
for (int j = 0; j < 8; ++j)
{
UInt32 word = output[256 + i * 8 + j];
result += String.Format("{0:x2}{1:x2}{2:x2}{3:x2}", ((word >> 0) & 0xff), ((word >> 8) & 0xff), ((word >> 16) & 0xff), ((word >> 24) & 0xff));
}
Stratum.Submit(Device, job, output[i], result);
}
}
startNonce += (UInt32)globalWorkSizeA[0];
sw.Stop();
Speed = ((double)globalWorkSizeA[0]) / sw.Elapsed.TotalSeconds;
Device.TotalHashesPrimaryAlgorithm += (double)globalWorkSizeA[0];
if (consoleUpdateStopwatch.ElapsedMilliseconds >= 10 * 1000)
{
MainForm.Logger("Device #" + DeviceIndex + " (CryptoNight): " + String.Format("{0:N2} h/s", Speed));
consoleUpdateStopwatch.Restart();
}
}
}
} catch (Exception ex) {
if (statesBuffer != null)
{
OpenCLDevice.ReleaseComputeByteBuffer(statesBuffer); statesBuffer = null;
}
if (scratchpadsBuffer != null)
{
OpenCLDevice.ReleaseComputeByteBuffer(scratchpadsBuffer); scratchpadsBuffer = null;
}
MainForm.Logger("Exception in miner thread: " + ex.Message + ex.StackTrace);
if (UnrecoverableException.IsUnrecoverableException(ex))
{
this.UnrecoverableException = new UnrecoverableException(ex, Device);
Stop();
}
}
Speed = 0;
if (!Stopped)
{
MainForm.Logger("Restarting miner thread...");
System.Threading.Thread.Sleep(Parameters.WaitTimeForRestartingMinerThreadInMilliseconds);
}
}
} catch (UnrecoverableException ex) {
this.UnrecoverableException = ex;
} catch (Exception ex) {
this.UnrecoverableException = new UnrecoverableException(ex, Device);
} finally {
MarkAsDone();
MemoryUsage = 0;
if (program != null)
{
program.Dispose(); program = null;
}
if (statesBuffer != null)
{
OpenCLDevice.ReleaseComputeByteBuffer(statesBuffer); statesBuffer = null;
}
if (scratchpadsBuffer != null)
{
OpenCLDevice.ReleaseComputeByteBuffer(scratchpadsBuffer); scratchpadsBuffer = null;
}
}
}
public void Start(EthashStratum aEthashStratum, PascalStratum aPascalStratum, int aEthashIntensity, int aPascalIterations)
{
mEthashStratum = aEthashStratum;
mEthashLocalWorkSizeArray[0] = 256;
mEthashGlobalWorkSizeArray[0] = aEthashIntensity * mEthashLocalWorkSizeArray[0] * OpenCLDevice.GetComputeDevice().MaxComputeUnits;
mPascalStratum = aPascalStratum;
mPascalRatio = (UInt32)aPascalIterations;
base.Start();
}
override unsafe protected void MinerThread()
{
ComputeProgram program = null;
try {
ComputeDevice computeDevice = OpenCLDevice.GetComputeDevice();
Random r = new Random();
MarkAsAlive();
//MainForm.Logger("Miner thread for Device #" + DeviceIndex + " started.");
program = BuildProgram(
"lbry",
mLbryLocalWorkSizeArray[0],
"-O1 -DITERATIONS=" + mIterations,
"-DITERATIONS=" + mIterations,
"-DITERATIONS=" + mIterations);
using (var mLbryInputBuffer = new ComputeBuffer <byte>(Context, ComputeMemoryFlags.ReadOnly, 112))
using (var mLbryOutputBuffer = new ComputeBuffer <UInt32>(Context, ComputeMemoryFlags.ReadWrite, lbryOutputSize))
using (var mLbrySearchKernel = program.CreateKernel("search_combined"))
fixed(long *lbryGlobalWorkOffsetArrayPtr = mLbryGlobalWorkOffsetArray)
fixed(long *lbryGlobalWorkSizeArrayPtr = mLbryGlobalWorkSizeArray)
fixed(long *lbryLocalWorkSizeArrayPtr = mLbryLocalWorkSizeArray)
fixed(byte *lbryInputPtr = mLbryInput)
fixed(UInt32 * lbryOutputPtr = mLbryOutput)
while (!Stopped)
{
MarkAsAlive();
try
{
mLbrySearchKernel.SetMemoryArgument(0, mLbryInputBuffer);
mLbrySearchKernel.SetMemoryArgument(1, mLbryOutputBuffer);
while (!Stopped)
{
MarkAsAlive();
mLbryInput = new byte[112];
UInt32 lbryStartNonce = (UInt32)(r.Next(0, int.MaxValue));
UInt64 lbryTarget = (UInt64)((double)0xffff0000UL / (256 / 256));
mLbrySearchKernel.SetValueArgument <UInt64>(3, lbryTarget);
Queue.Write <byte>(mLbryInputBuffer, true, 0, 112, (IntPtr)lbryInputPtr, null);
while (!Stopped)
{
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
MarkAsAlive();
mLbrySearchKernel.SetValueArgument <UInt32>(2, lbryStartNonce);
// Get a new local extranonce if necessary.
if (0xffffffffu - lbryStartNonce < (UInt32)mLbryGlobalWorkSizeArray[0] * mIterations)
{
break;
}
mLbryOutput[255] = 0; // mLbryOutput[255] is used as an atomic counter.
Queue.Write <UInt32>(mLbryOutputBuffer, true, 0, lbryOutputSize, (IntPtr)lbryOutputPtr, null);
Queue.Execute(mLbrySearchKernel, mLbryGlobalWorkOffsetArray, mLbryGlobalWorkSizeArray, mLbryLocalWorkSizeArray, null);
Queue.Read <UInt32>(mLbryOutputBuffer, true, 0, lbryOutputSize, (IntPtr)lbryOutputPtr, null);
lbryStartNonce += (UInt32)mLbryGlobalWorkSizeArray[0] * (uint)mIterations;
}
}
} catch (Exception ex) {
MainForm.Logger("Exception in dummy miner thread: " + ex.Message + ex.StackTrace);
MainForm.Logger("Restarting dummy miner thread...");
}
}
} catch (UnrecoverableException ex) {
this.UnrecoverableException = ex;
} catch (Exception ex) {
this.UnrecoverableException = new UnrecoverableException(ex, Device);
} finally {
MarkAsDone();
MemoryUsage = 0;
if (program != null)
{
program.Dispose();
}
program = null;
}
}
public void Start(EthashStratum aEthashStratum, int aEthashIntensity, int aEthashLocalWorkSize, LbryStratum aLbryStratum, int aLbryIntensity, int aLbryLocalWorkSize)
{
mEthashStratum = aEthashStratum;
mEthashLocalWorkSizeArray[0] = aEthashLocalWorkSize;
mEthashGlobalWorkSizeArray[0] = aEthashIntensity * mEthashLocalWorkSizeArray[0] * OpenCLDevice.GetComputeDevice().MaxComputeUnits;
mLbryStratum = aLbryStratum;
base.Start();
}
override unsafe protected void MinerThread()
{
ComputeProgram program = null;
try {
Random r = new Random();
ComputeDevice computeDevice = OpenCLDevice.GetComputeDevice();
UInt32[] ethashOutput = new UInt32[256];
byte[] ethashHeaderhash = new byte[32];
MarkAsAlive();
MainForm.Logger("Miner thread for Device #" + DeviceIndex + " started.");
program = BuildProgram("ethash_pascal", mEthashLocalWorkSizeArray[0], "-O1", "", "");
MemoryUsage = 256;
MemoryUsage += 32;
MemoryUsage += sPascalInputSize;
MemoryUsage += sPascalOutputSize;
MemoryUsage += sPascalMidstateSize;
using (var searchKernel = program.CreateKernel("search"))
using (var DAGKernel = program.CreateKernel("GenerateDAG"))
using (var ethashOutputBuffer = new ComputeBuffer <UInt32>(Context, ComputeMemoryFlags.ReadWrite, 256))
using (var ethashHeaderBuffer = new ComputeBuffer <byte>(Context, ComputeMemoryFlags.ReadOnly, 32))
using (var pascalInputBuffer = new ComputeBuffer <byte>(Context, ComputeMemoryFlags.ReadOnly, sPascalInputSize))
using (var pascalOutputBuffer = new ComputeBuffer <UInt32>(Context, ComputeMemoryFlags.ReadWrite, sPascalOutputSize))
using (var pascalMidstateBuffer = new ComputeBuffer <byte>(Context, ComputeMemoryFlags.ReadOnly, sPascalMidstateSize))
fixed(UInt32 *ethashOutputPtr = ethashOutput)
fixed(byte *ethashHeaderhashPtr = ethashHeaderhash)
fixed(byte *pascalMidstatePtr = mPascalMidstate)
fixed(byte *pascalInputPtr = mPascalInput)
fixed(UInt32 * pascalOutputPtr = mPascalOutput)
while (!Stopped)
{
ComputeBuffer <byte> ethashDAGBuffer = null;
MarkAsAlive();
try {
int ethashEpoch = -1;
long ethashDAGSize = 0;
searchKernel.SetMemoryArgument(7 + 0, pascalInputBuffer);
searchKernel.SetMemoryArgument(7 + 1, pascalOutputBuffer);
searchKernel.SetMemoryArgument(7 + 4, pascalMidstateBuffer);
searchKernel.SetValueArgument <UInt32>(7 + 5, mPascalRatio);
// Wait for the first job to arrive.
int elapsedTime = 0;
while ((PrimaryStratum == null || PrimaryStratum.GetJob() == null || SecondaryStratum == null || SecondaryStratum.GetJob() == null) && elapsedTime < Parameters.TimeoutForFirstJobInMilliseconds && !Stopped)
{
Thread.Sleep(100);
elapsedTime += 100;
}
if (PrimaryStratum == null || PrimaryStratum.GetJob() == null || SecondaryStratum == null || SecondaryStratum.GetJob() == null)
{
throw new TimeoutException("Stratum server failed to send a new job.");
}
System.Diagnostics.Stopwatch consoleUpdateStopwatch = new System.Diagnostics.Stopwatch();
EthashStratum.Work ethashWork;
EthashStratum.Job ethashJob;
PascalStratum.Work pascalWork;
PascalStratum.Job pascalJob;
while (!Stopped &&
(ethashWork = PrimaryStratum.GetWork()) != null && (ethashJob = ethashWork.GetJob()) != null &&
(pascalWork = SecondaryStratum.GetWork()) != null && (pascalJob = pascalWork.Job) != null)
{
MarkAsAlive();
String ethashPoolExtranonce = PrimaryStratum.PoolExtranonce;
byte[] ethashExtranonceByteArray = Utilities.StringToByteArray(ethashPoolExtranonce);
byte ethashLocalExtranonce = (byte)ethashWork.LocalExtranonce;
UInt64 ethashStartNonce = (UInt64)ethashLocalExtranonce << (8 * (7 - ethashExtranonceByteArray.Length));
for (int i = 0; i < ethashExtranonceByteArray.Length; ++i)
{
ethashStartNonce |= (UInt64)ethashExtranonceByteArray[i] << (8 * (7 - i));
}
ethashStartNonce += (ulong)r.Next(0, int.MaxValue) & (0xfffffffffffffffful >> (ethashExtranonceByteArray.Length * 8 + 8));
String ethashJobID = ethashJob.ID;
String ethashSeedhash = ethashJob.Seedhash;
double ethashDifficulty = PrimaryStratum.Difficulty;
Buffer.BlockCopy(Utilities.StringToByteArray(ethashWork.GetJob().Headerhash), 0, ethashHeaderhash, 0, 32);
Queue.Write <byte>(ethashHeaderBuffer, true, 0, 32, (IntPtr)ethashHeaderhashPtr, null);
Array.Copy(pascalWork.Blob, mPascalInput, sPascalInputSize);
CalculatePascalMidState();
Queue.Write <byte>(pascalMidstateBuffer, true, 0, sPascalMidstateSize, (IntPtr)pascalMidstatePtr, null);
UInt32 pascalStartNonce = (UInt32)(r.Next(0, int.MaxValue));
UInt64 PascalTarget = (UInt64)((double)0xffff0000UL / SecondaryStratum.Difficulty);
searchKernel.SetValueArgument <UInt64>(7 + 3, PascalTarget);
Queue.Write <byte>(pascalInputBuffer, true, 0, sPascalInputSize, (IntPtr)pascalInputPtr, null);
if (ethashEpoch != ethashWork.GetJob().Epoch)
{
if (ethashDAGBuffer != null)
{
MemoryUsage -= ethashDAGBuffer.Size;
ethashDAGBuffer.Dispose();
ethashDAGBuffer = null;
}
ethashEpoch = ethashWork.GetJob().Epoch;
DAGCache cache = new DAGCache(ethashEpoch, ethashWork.GetJob().Seedhash);
ethashDAGSize = Utilities.GetDAGSize(ethashEpoch);
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
mEthashGlobalWorkSizeArray[0] = ethashDAGSize / 64;
mEthashGlobalWorkSizeArray[0] /= 8;
if (mEthashGlobalWorkSizeArray[0] % mEthashLocalWorkSizeArray[0] > 0)
{
mEthashGlobalWorkSizeArray[0] += mEthashLocalWorkSizeArray[0] - mEthashGlobalWorkSizeArray[0] % mEthashLocalWorkSizeArray[0];
}
ComputeBuffer <byte> DAGCacheBuffer = new ComputeBuffer <byte>(Context, ComputeMemoryFlags.ReadOnly, cache.GetData().Length);
MemoryUsage += DAGCacheBuffer.Size;
fixed(byte *p = cache.GetData())
Queue.Write <byte>(DAGCacheBuffer, true, 0, cache.GetData().Length, (IntPtr)p, null);
ethashDAGBuffer = new ComputeBuffer <byte>(Context, ComputeMemoryFlags.ReadWrite, mEthashGlobalWorkSizeArray[0] * 8 * 64 /* ethashDAGSize */); // With this, we can remove a conditional statement in the DAG kernel.
MemoryUsage += ethashDAGBuffer.Size;
DAGKernel.SetValueArgument <UInt32>(0, 0);
DAGKernel.SetMemoryArgument(1, DAGCacheBuffer);
DAGKernel.SetMemoryArgument(2, ethashDAGBuffer);
DAGKernel.SetValueArgument <UInt32>(3, (UInt32)cache.GetData().Length / 64);
DAGKernel.SetValueArgument <UInt32>(4, 0xffffffffu);
for (long start = 0; start < ethashDAGSize / 64; start += mEthashGlobalWorkSizeArray[0])
{
mEthashGlobalWorkOffsetArray[0] = start;
Queue.Execute(DAGKernel, mEthashGlobalWorkOffsetArray, mEthashGlobalWorkSizeArray, mEthashLocalWorkSizeArray, null);
Queue.Finish();
if (Stopped || PrimaryStratum.GetJob() == null || !PrimaryStratum.GetJob().ID.Equals(ethashJobID))
{
break;
}
}
DAGCacheBuffer.Dispose();
MemoryUsage -= DAGCacheBuffer.Size;
if (Stopped || PrimaryStratum.GetJob() == null || !PrimaryStratum.GetJob().ID.Equals(ethashJobID))
{
break;
}
sw.Stop();
MainForm.Logger("Generated DAG for Epoch #" + ethashEpoch + " (" + (long)sw.Elapsed.TotalMilliseconds + "ms).");
}
consoleUpdateStopwatch.Start();
while (!Stopped && PrimaryStratum.GetJob().ID.Equals(ethashJobID) && PrimaryStratum.PoolExtranonce.Equals(ethashPoolExtranonce) && SecondaryStratum.GetJob().Equals(pascalJob))
{
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
MarkAsAlive();
// Get a new local extranonce if necessary.
if ((ethashStartNonce & (0xfffffffffffffffful >> (ethashExtranonceByteArray.Length * 8 + 8)) + (ulong)mEthashGlobalWorkSizeArray[0] * 3 / 4) >= ((ulong)0x1 << (64 - (ethashExtranonceByteArray.Length * 8 + 8))))
{
break;
}
if (0xffffffffu - pascalStartNonce < (UInt32)mEthashGlobalWorkSizeArray[0] * mPascalRatio)
{
break;
}
UInt64 target = (UInt64)((double)0xffff0000U / ethashDifficulty);
searchKernel.SetMemoryArgument(0, ethashOutputBuffer); // g_output
searchKernel.SetMemoryArgument(1, ethashHeaderBuffer); // g_header
searchKernel.SetMemoryArgument(2, ethashDAGBuffer); // _g_dag
searchKernel.SetValueArgument <UInt32>(3, (UInt32)(ethashDAGSize / 128)); // DAG_SIZE
searchKernel.SetValueArgument <UInt64>(4, ethashStartNonce); // start_nonce
searchKernel.SetValueArgument <UInt64>(5, target); // target
searchKernel.SetValueArgument <UInt32>(6, 0xffffffffu); // isolate
searchKernel.SetValueArgument <UInt32>(7 + 2, pascalStartNonce);
ethashOutput[255] = 0; // ethashOutput[255] is used as an atomic counter.
Queue.Write <UInt32>(ethashOutputBuffer, true, 0, 256, (IntPtr)ethashOutputPtr, null);
mEthashGlobalWorkOffsetArray[0] = 0;
mPascalOutput[255] = 0; // mPascalOutput[255] is used as an atomic counter.
Queue.Write <UInt32>(pascalOutputBuffer, true, 0, sPascalOutputSize, (IntPtr)pascalOutputPtr, null);
Queue.Execute(searchKernel, mEthashGlobalWorkOffsetArray, mEthashGlobalWorkSizeArray, mEthashLocalWorkSizeArray, null);
Queue.Read <UInt32>(ethashOutputBuffer, true, 0, 256, (IntPtr)ethashOutputPtr, null);
if (PrimaryStratum.GetJob() != null && PrimaryStratum.GetJob().ID.Equals(ethashJobID))
{
for (int i = 0; i < ethashOutput[255]; ++i)
{
PrimaryStratum.Submit(Device, ethashWork.GetJob(), ethashStartNonce + (UInt64)ethashOutput[i]);
}
}
ethashStartNonce += (UInt64)mEthashGlobalWorkSizeArray[0] * 3 / 4;
Queue.Read <UInt32>(pascalOutputBuffer, true, 0, sPascalOutputSize, (IntPtr)pascalOutputPtr, null);
if (SecondaryStratum.GetJob() != null && SecondaryStratum.GetJob().Equals(pascalJob))
{
for (int i = 0; i < mPascalOutput[255]; ++i)
{
SecondaryStratum.Submit(Device, pascalWork, mPascalOutput[i]);
}
}
pascalStartNonce += (UInt32)mEthashGlobalWorkSizeArray[0] * mPascalRatio;
sw.Stop();
Speed = ((double)mEthashGlobalWorkSizeArray[0]) / sw.Elapsed.TotalSeconds * 0.75;
Device.TotalHashesPrimaryAlgorithm += (double)mEthashGlobalWorkSizeArray[0] * 0.75;
SpeedSecondaryAlgorithm = ((double)mEthashGlobalWorkSizeArray[0]) / sw.Elapsed.TotalSeconds * mPascalRatio;
Device.TotalHashesSecondaryAlgorithm += (double)mEthashGlobalWorkSizeArray[0] * mPascalRatio;
if (consoleUpdateStopwatch.ElapsedMilliseconds >= 10 * 1000)
{
MainForm.Logger("Device #" + DeviceIndex + ": " + String.Format("{0:N2} Mh/s (Ethash), ", Speed / (1000000)) + String.Format("{0:N2} Mh/s (Pascal)", SpeedSecondaryAlgorithm / (1000000)));
consoleUpdateStopwatch.Restart();
}
}
}
} catch (Exception ex) {
MainForm.Logger("Exception in miner thread: " + ex.Message + ex.StackTrace);
Speed = 0;
if (UnrecoverableException.IsUnrecoverableException(ex))
{
this.UnrecoverableException = new UnrecoverableException(ex, Device);
Stop();
}
else
{
MainForm.Logger("Restarting miner thread...");
System.Threading.Thread.Sleep(Parameters.WaitTimeForRestartingMinerThreadInMilliseconds);
}
} finally {
if (ethashDAGBuffer != null)
{
MemoryUsage -= ethashDAGBuffer.Size;
ethashDAGBuffer.Dispose();
ethashDAGBuffer = null;
}
}
}
} catch (UnrecoverableException ex) {
this.UnrecoverableException = ex;
} catch (Exception ex) {
this.UnrecoverableException = new UnrecoverableException(ex, Device);
} finally {
MarkAsDone();
MemoryUsage = 0;
if (program != null)
{
program.Dispose();
}
program = null;
}
}
override unsafe protected void MinerThread()
{
Random r = new Random();
ComputeDevice computeDevice = OpenCLDevice.GetComputeDevice();
MarkAsAlive();
MainForm.Logger("Miner thread for Device #" + DeviceIndex + " started.");
MainForm.Logger("NiceHash mode is " + (NiceHashMode ? "on" : "off") + ".");
ComputeProgram program;
try { mProgramArrayMutex.WaitOne(5000); } catch (Exception) { }
if (mProgramArray.ContainsKey(new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])))
{
program = mProgramArray[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])];
searchKernel0 = mSearchKernel0Array[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])];
searchKernel1 = mSearchKernel1Array[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])];
searchKernel2 = mSearchKernel2Array[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])];
searchKernel3 = mSearchKernel3Array[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])];
}
else
{
try
{
if (localWorkSizeA[0] != 8)
{
throw new Exception("No suitable binary file was found.");
}
string fileName = @"BinaryKernels\" + computeDevice.Name + "_cryptonight.bin";
byte[] binary = System.IO.File.ReadAllBytes(fileName);
program = new ComputeProgram(Context, new List <byte[]>()
{
binary
}, new List <ComputeDevice>()
{
computeDevice
});
MainForm.Logger("Loaded " + fileName + " for Device #" + DeviceIndex + ".");
}
catch (Exception)
{
String source = System.IO.File.ReadAllText(@"Kernels\cryptonight.cl");
program = new ComputeProgram(Context, source);
MainForm.Logger(@"Loaded Kernels\cryptonight.cl for Device #" + DeviceIndex + ".");
}
String buildOptions = (OpenCLDevice.GetVendor() == "AMD" ? "-O5" : //"-O1 " :
OpenCLDevice.GetVendor() == "NVIDIA" ? "" : //"-cl-nv-opt-level=1 -cl-nv-maxrregcount=256 " :
"")
+ " -IKernels -DWORKSIZE=" + localWorkSizeA[0];
try
{
program.Build(OpenCLDevice.DeviceList, buildOptions, null, IntPtr.Zero);
}
catch (Exception)
{
MainForm.Logger(program.GetBuildLog(computeDevice));
throw;
}
MainForm.Logger("Built CryptoNight program for Device #" + DeviceIndex + ".");
MainForm.Logger("Build options: " + buildOptions);
mProgramArray[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])] = program;
mSearchKernel0Array[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])] = searchKernel0 = program.CreateKernel("search");
mSearchKernel1Array[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])] = searchKernel1 = program.CreateKernel("search1");
mSearchKernel2Array[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])] = searchKernel2 = program.CreateKernel("search2");
mSearchKernel3Array[new ProgramArrayIndex(DeviceIndex, localWorkSizeA[0])] = searchKernel3 = program.CreateKernel("search3");
}
try { mProgramArrayMutex.ReleaseMutex(); } catch (Exception) { }
fixed(long *globalWorkOffsetAPtr = globalWorkOffsetA)
fixed(long *globalWorkOffsetBPtr = globalWorkOffsetB)
fixed(long *globalWorkSizeAPtr = globalWorkSizeA)
fixed(long *globalWorkSizeBPtr = globalWorkSizeB)
fixed(long *localWorkSizeAPtr = localWorkSizeA)
fixed(long *localWorkSizeBPtr = localWorkSizeB)
fixed(Int32 * terminatePtr = terminate)
fixed(byte *inputPtr = input)
fixed(UInt32 * outputPtr = output)
{
while (!Stopped)
{
MarkAsAlive();
try {
searchKernel0.SetMemoryArgument(0, inputBuffer);
searchKernel0.SetMemoryArgument(1, scratchpadsBuffer);
searchKernel0.SetMemoryArgument(2, statesBuffer);
searchKernel1.SetMemoryArgument(0, scratchpadsBuffer);
searchKernel1.SetMemoryArgument(1, statesBuffer);
searchKernel1.SetMemoryArgument(2, terminateBuffer);
searchKernel2.SetMemoryArgument(0, scratchpadsBuffer);
searchKernel2.SetMemoryArgument(1, statesBuffer);
searchKernel3.SetMemoryArgument(0, statesBuffer);
searchKernel3.SetMemoryArgument(1, outputBuffer);
// Wait for the first job to arrive.
int elapsedTime = 0;
while ((mStratum == null || mStratum.GetJob() == null) && elapsedTime < 60000)
{
Thread.Sleep(100);
elapsedTime += 100;
}
if (mStratum == null || mStratum.GetJob() == null)
{
throw new TimeoutException("Stratum server failed to send a new job.");
}
System.Diagnostics.Stopwatch consoleUpdateStopwatch = new System.Diagnostics.Stopwatch();
CryptoNightStratum.Work work;
while (!Stopped && (work = mStratum.GetWork()) != null)
{
MarkAsAlive();
var job = work.GetJob();
Array.Copy(Utilities.StringToByteArray(job.Blob), input, 76);
byte localExtranonce = (byte)work.LocalExtranonce;
byte[] targetByteArray = Utilities.StringToByteArray(job.Target);
UInt32 startNonce;
if (NiceHashMode)
{
startNonce = ((UInt32)input[42] << (8 * 3)) | ((UInt32)localExtranonce << (8 * 2)) | (UInt32)(r.Next(0, int.MaxValue) & (0x0000ffffu));
}
else
{
startNonce = ((UInt32)localExtranonce << (8 * 3)) | (UInt32)(r.Next(0, int.MaxValue) & (0x00ffffffu));
}
UInt32 target = ((UInt32)targetByteArray[0] << 0)
| ((UInt32)targetByteArray[1] << 8)
| ((UInt32)targetByteArray[2] << 16)
| ((UInt32)targetByteArray[3] << 24);
searchKernel3.SetValueArgument <UInt32>(2, target);
Queue.Write <byte>(inputBuffer, true, 0, 76, (IntPtr)inputPtr, null);
consoleUpdateStopwatch.Start();
while (!Stopped && mStratum.GetJob().Equals(job))
{
MarkAsAlive();
globalWorkOffsetA[0] = globalWorkOffsetB[0] = startNonce;
// Get a new local extranonce if necessary.
if (NiceHashMode)
{
if ((startNonce & 0xffff) + (UInt32)globalWorkSizeA[0] >= 0x10000)
{
break;
}
}
else
{
if ((startNonce & 0xffffff) + (UInt32)globalWorkSizeA[0] >= 0x1000000)
{
break;
}
}
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
output[255] = 0; // output[255] is used as an atomic counter.
Queue.Write <UInt32>(outputBuffer, true, 0, outputSize, (IntPtr)outputPtr, null);
terminate[0] = 0;
Queue.Write <Int32>(terminateBuffer, true, 0, 1, (IntPtr)terminatePtr, null);
Queue.Execute(searchKernel0, globalWorkOffsetA, globalWorkSizeA, localWorkSizeA, null);
Queue.Finish();
if (Stopped)
{
break;
}
Queue.Execute(searchKernel1, globalWorkOffsetB, globalWorkSizeB, localWorkSizeB, null);
Queue.Finish();
if (Stopped)
{
break;
}
Queue.Execute(searchKernel2, globalWorkOffsetA, globalWorkSizeA, localWorkSizeA, null);
Queue.Finish();
if (Stopped)
{
break;
}
Queue.Execute(searchKernel3, globalWorkOffsetB, globalWorkSizeB, localWorkSizeB, null);
Queue.Finish(); // Run the above statement before leaving the current local scope.
if (Stopped)
{
break;
}
Queue.Read <UInt32>(outputBuffer, true, 0, outputSize, (IntPtr)outputPtr, null);
if (mStratum.GetJob().Equals(job))
{
for (int i = 0; i < output[255]; ++i)
{
String result = "";
for (int j = 0; j < 8; ++j)
{
UInt32 word = output[256 + i * 8 + j];
result += String.Format("{0:x2}{1:x2}{2:x2}{3:x2}", ((word >> 0) & 0xff), ((word >> 8) & 0xff), ((word >> 16) & 0xff), ((word >> 24) & 0xff));
}
mStratum.Submit(GatelessGateDevice, job, output[i], result);
}
}
startNonce += (UInt32)globalWorkSizeA[0];
sw.Stop();
Speed = ((double)globalWorkSizeA[0]) / sw.Elapsed.TotalSeconds;
if (consoleUpdateStopwatch.ElapsedMilliseconds >= 10 * 1000)
{
MainForm.Logger("Device #" + DeviceIndex + " (CryptoNight): " + String.Format("{0:N2} h/s", Speed));
consoleUpdateStopwatch.Restart();
}
}
}
} catch (Exception ex) {
MainForm.Logger("Exception in miner thread: " + ex.Message + ex.StackTrace);
if (UnrecoverableException.IsUnrecoverableException(ex))
{
this.UnrecoverableException = new UnrecoverableException(ex, GatelessGateDevice);
Stop();
}
}
Speed = 0;
if (!Stopped)
{
MainForm.Logger("Restarting miner thread...");
System.Threading.Thread.Sleep(5000);
}
}
}
MarkAsDone();
}
