Ask nvidia to make their cuda driver free, and to add them to sysfs :) There's a cuda hwloc branch that will solve this. In the meantime, there are no nvidia osdevs. Maybe look at hwloc/cuda.h and cudart.h, they give cuda device affinity without osdevs.
Brice Guillermo Miranda <guillermo.mira...@bsc.es> a écrit : >Hello, > >I am trying to detect GPus when traversing through the topology tree, >but they appear as PCI devices instead of OS devices, so I can't >compare >the OS type against HWLOC_OBJ_OSDEV_GPU. > >I have enabled IO device discovery (HWLOC_TOPOLOGY_FLAG_IO_DEVICES) and >made sure that hwloc's configure properly recognised Cuda (4.1). > >Here's what lstopo prints: > <object type="PCIDev" os_index="536576" >pci_busid="0000:83:00.0" pci_type="0302 [10de:1091] [00de:0042] a1" >pci_link_speed="0.000000"> > <info name="PCIVendor" value="nVidia Corporation"/> > </object> > >Is this the expected behaviour? What can I do to make that GPU be >marked >as an OSDEV GPU object? > >Thanks in advance. > >WARNING / LEGAL TEXT: This message is intended only for the use of the >individual or entity to which it is addressed and may contain >information which is privileged, confidential, proprietary, or exempt >from disclosure under applicable law. If you are not the intended >recipient or the person responsible for delivering the message to the >intended recipient, you are strictly prohibited from disclosing, >distributing, copying, or in any way using this message. If you have >received this communication in error, please notify the sender and >destroy and delete any copies you may have received. > >http://www.bsc.es/disclaimer >_______________________________________________ >hwloc-users mailing list >hwloc-us...@open-mpi.org >http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users
