print nb cpus and cudas

Benchmark/cholesky_gemm/gemm.cpp

@@ -58,6 +58,9 @@ auto gemm(const int NbLoops, SpBlas::Block blocksC[], const SpBlas::Block blocks
         scheduler = std::unique_ptr<SpAbstractScheduler>(new SpMultiPrioScheduler<MaxNbDevices,FavorLocality>(nbGpu*SpCudaUtils::GetDefaultNbStreams()));
     }
     SpComputeEngine ce(SpWorkerTeamBuilder::TeamOfCpuGpuWorkers(SpUtils::DefaultNumThreads(), nbGpu), std::move(scheduler));
+    std::cout << "Compute engine:" << std::endl;
+    std::cout << " - nb cpus: " << ce.getNbCpuWorkers() << std::endl;
+    std::cout << " - nb gpus: " << ce.getNbCudaWorkers() << std::endl;
 #else
     SpComputeEngine ce(SpWorkerTeamBuilder::TeamOfCpuWorkers());
 #endif