public void RunExperiment(Grammar grm, bool nvrtc = true, bool remote = false)
{
Initialize(grm); /// --- (1) gp, grammar, population, individual
// Evolution of generations
for (int gen = 0; gen < GENCOUNT; gen++)
{
CreateSourceCodes(PARALLELISM_LEVEL); /// --- (2) create source
PTXcompile(nvrtc, remote); /// --- (3) ptx compile
JITcompile(); /// --- (4) JIT compile
tic();
CreateKernelObjects(); /// ---
LaunchKernels(); /// --- (5) launch kernel
WaitCompleteAndReadBack(); /// ---
GPoperations(); /// --- (6) gp operations: selection, XO, mutation
SampleCollector.Collect("other", toc());
}
ctx.Dispose();
}
public void WaitCompleteAndReadBack()
{
ctx.Synchronize(); // wait all to finish
grm.ReadBackFromGPUBuffersAndComputeFitness(gp.population); // read back from GPU memory
Individual e = gp.getElite();
e.elite = true; // mark the new elite
SampleCollector.Collect("fitness", e.fitness);
}
public void JITcompile()
{
tic();
foreach (var sc in sourceCodes)
{
if (sc.ptx == null)
{
sc.mod = ctx.LoadModulePTX(sc.cubin, null, null); // no jit, just upload
}
else
{
sc.mod = ctx.LoadModulePTX(sc.ptx); //jit
}
}
SampleCollector.Collect("JIT", toc());
}
public void PTXcompile(bool nvrtc, bool remote)
{
tic();
if (nvrtc)
{
if (remote)
{
// Multiple remote NVRTC
PtxCompileRemoteMultiprocess();
}
else
{
// Single thread, NVRTC
srcToPtx(sourceCodes[0]);
}
}
else
{
// Multiple NVCC launch
PtxCompileNVCCMultiprocess();
}
SampleCollector.Collect("PTX", toc());
}
