/// <summary>
/// This copies random seed from the host to the FPGA.
/// </summary>
public static SimpleMemory PushRandomSeed(this PrngTestInterface kernels, ulong seed)
{
SimpleMemory sm = new SimpleMemory(3);
sm.WriteUInt32(0, (uint)seed); //LE: 0 is low byte, 1 is high byte
sm.WriteUInt32(1, (uint)(seed >> 32));
return(sm);
}
public async Task <IHastlayer> InitializeHastlayer(bool verifyOutput, bool randomSeedEnable)
{
_verifyOutput = verifyOutput;
_randomSeedEnable = randomSeedEnable;
LogItFunction("Creating Hastlayer Factory...");
var hastlayer = await Hastlayer.Create();
hastlayer.ExecutedOnHardware += (sender, e) =>
{
LogItFunction("Hastlayer timer: " +
e.HardwareExecutionInformation.HardwareExecutionTimeMilliseconds + "ms (net) / " +
e.HardwareExecutionInformation.FullExecutionTimeMilliseconds + " ms (total)"
);
};
var configuration = new HardwareGenerationConfiguration((await hastlayer.GetSupportedDevices()).First().Name);
configuration.VhdlTransformerConfiguration().VhdlGenerationConfiguration = VhdlGenerationConfiguration.Debug;
configuration.EnableCaching = false;
LogItFunction("Generating hardware...");
if (_kpzTarget.HastlayerParallelizedAlgorithm())
{
configuration.AddHardwareEntryPointType <KpzKernelsParallelizedInterface>();
configuration.TransformerConfiguration().AddAdditionalInlinableMethod <RandomMwc64X>(r => r.NextUInt32());
}
else if (_kpzTarget.HastlayerPlainAlgorithm())
{
configuration.AddHardwareEntryPointType <KpzKernelsInterface>();
}
else // if (kpzTarget == KpzTarget.PrngTest)
{
configuration.AddHardwareEntryPointType <PrngTestInterface>();
}
var hardwareRepresentation = await hastlayer.GenerateHardware(new[] {
typeof(KpzKernelsParallelizedInterface).Assembly,
typeof(RandomMwc64X).Assembly
}, configuration);
await hardwareRepresentation.HardwareDescription.WriteSource(VhdlOutputFilePath);
LogItFunction("Generating proxy...");
if (_kpzTarget.HastlayerOnFpga())
{
var proxyConf = new ProxyGenerationConfiguration
{
VerifyHardwareResults = _verifyOutput
};
if (_kpzTarget == KpzTarget.Fpga)
{
Kernels = await hastlayer.GenerateProxy(
hardwareRepresentation,
new KpzKernelsInterface(),
proxyConf);
}
else if (_kpzTarget == KpzTarget.FpgaParallelized)
{
KernelsParallelized = await hastlayer.GenerateProxy(
hardwareRepresentation,
new KpzKernelsParallelizedInterface(),
proxyConf);
}
else //if(kpzTarget == KpzTarget.PrngTest)
{
KernelsP = await hastlayer.GenerateProxy(
hardwareRepresentation,
new PrngTestInterface(),
proxyConf);
}
LogItFunction("FPGA target detected");
}
else //if (kpzTarget == KpzTarget.HastlayerSimulation())
{
Kernels = new KpzKernelsInterface();
KernelsParallelized = new KpzKernelsParallelizedInterface();
LogItFunction("Simulation target detected");
}
if (_kpzTarget.HastlayerPlainAlgorithm())
{
LogItFunction("Running TestAdd...");
uint resultFpga = Kernels.TestAddWrapper(4313, 123);
uint resultCpu = 4313 + 123;
if (resultCpu == resultFpga)
{
LogItFunction(string.Format("Success: {0} == {1}", resultFpga, resultCpu));
}
else
{
LogItFunction(string.Format("Fail: {0} != {1}", resultFpga, resultCpu));
}
}
if (_kpzTarget == KpzTarget.PrngTest)
{
LogItFunction("Running TestPrng...");
var kernelsCpu = new PrngTestInterface();
ulong randomSeed = 0x37a92d76a96ef210UL;
var smCpu = kernelsCpu.PushRandomSeed(randomSeed);
var smFpga = KernelsP.PushRandomSeed(randomSeed);
LogItFunction("PRNG results:");
bool success = true;
for (int PrngTestIndex = 0; PrngTestIndex < 10; PrngTestIndex++)
{
uint prngCpuResult = kernelsCpu.GetNextRandom(smCpu);
uint prngFpgaResult = KernelsP.GetNextRandom(smFpga);
if (prngCpuResult != prngFpgaResult)
{
success = false;
}
LogItFunction(String.Format("{0}, {1}", prngCpuResult, prngFpgaResult));
}
if (success)
{
LogItFunction("TestPrng succeeded!");
}
else
{
LogItFunction("TestPrng failed!");
}
}
return(hastlayer);
}
/// <summary>It runs the PRNG on the FPGA and returns a random 32-bit uint.</summary>
public static uint GetNextRandom(this PrngTestInterface kernels, SimpleMemory memory)
{
kernels.MWC64X(memory);
return(memory.ReadUInt32(2));
}
