3.1.1. General runtime options

Nanos++ have several common options which can be specified while running OmpSs’s programs.

--smp-cpus=<n>	Set number of requested CPUs.
--smp-workers=<n>
	Set number of SMP worker threads.
--cpus-per-socket=<n>
	Set number of CPUs per socket.
--num-sockets=<n>
	Set number of sockets available.
--hwloc-topology=<xml-file>
	Overrides hwloc’s topology discovery and uses the one provided by xml-file.
--stack-size=<n>
	Defines default stack size for all devices.
--binding-start=<cpu-id>
	Set initial CPU for binding (binding required).
--binding-stride=<n>
	Set binding stride (binding required).
--disable-binding, --no-disable-binding
	Disables/enables thread binding (enabled by default).
--verbose, --no-verbose
	Activate verbose mode (requires Nanos++ debug version).
--disable-synchronized-start, --no-disable-synchronized-start
	Disables synchronized start (enabled by default).
--architecture=<arch>
	Defines default architecture. Where arch can be one of the following options: smp, gpu, opencl or cluster.
--disable-caches, --no-disable-caches
	Disables/enables the use of caches (enabled by default).
--cache-policy=<cache-policy>
	Set default cache policy. Where cache-policy can be one of the following options: wt (write through) or wb (write back).
--summary, --no-summary
	Enables/disables runtime summary mode, printing statistics at start/end phases (disabled by default)