Hello Bibek --

You can disable hwloc in Chapel by setting the environment variable CHPL_HWLOC=none before building Chapel and compiling Chapel programs. I'm not familiar with gen5, but you may also find it necessary to switch from our default Qthreads-based tasking support to the older and much simpler pthreads-based support. To do this, you would set CHPL_TASKS=fifo. Hopefully this latter step will not be necessary, however.

You can learn more about configuring Chapel in the doc/README* files, especially doc/README.chplenv. (or in doc/release/... if you are working with a clone of our source repository)

greg


On 3/26/2015 1:19 PM, Bibek Ghimire wrote:
Hi there,
I am currently trying to run chapel 1.10 over gem5. The binary fails during chpl_taks_init() phase. It is here where it tried to initialize the task management layer. During this phase it tries to read the file which contains information about the topology(hwloc). But on gem5 there is no need for this (I guess). So is there any way to disable hwloc just for gem5.

Error message from gem5 is  "newfstatat unimplemented"



Sincerely,
Bibek


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