Merge branch 'debug/gemm-multi-gpu' into 'master'

Batch/run-benchs.sh

Benchmark/axpy/axpy.cpp

Benchmark/cholesky_gemm/CMakeLists.txt

Benchmark/cholesky_gemm/cholesky-mpi.cpp

Benchmark/cholesky_gemm/cholesky.cpp

Benchmark/cholesky_gemm/gemm-mpi.cpp

Benchmark/cholesky_gemm/gemm.cpp

Benchmark/particles/particles-simu-mpi.cpp

Benchmark/particles/particles-simu.cpp

Src/Cuda/SpCudaMemManager.cpp

Src/Cuda/SpCudaMemManager.hpp

Src/Data/SpDataHandle.hpp

Src/Scheduler/SpMultiPrioScheduler.hpp

Src/Task/SpTask.hpp