Restore nobigmat option?
When running with StarPU and StarPU's NUMA support enabled, allocating the whole matrix in one chunk will not fly if it doesn't fit NUMA node zero. The nobigmat option of the previous testing infrastructure was useful to let StarPU allocate on the fly, by passing CHAMELEON_MAT_ALLOC_TILE to CHAMELEON_Desc_Create. Could we restore this option?