GroupsWithPropertyT/AutFN_orbit.jl

70 lines
1.9 KiB
Julia

using ArgParse
###############################################################################
#
# Parsing command line
#
###############################################################################
function parse_commandline()
settings = ArgParseSettings()
@add_arg_table settings begin
"--tol"
help = "set numerical tolerance for the SDP solver"
arg_type = Float64
default = 1e-14
"--iterations"
help = "set maximal number of iterations for the SDP solver (default: 20000)"
arg_type = Int
default = 60000
"--upper-bound"
help = "Set an upper bound for the spectral gap"
arg_type = Float64
default = Inf
"--cpus"
help = "Set number of cpus used by solver (default: auto)"
arg_type = Int
required = false
"-N"
help = "Consider automorphisms of free group on N generators"
arg_type = Int
default = 2
"--radius"
help = "Radius of ball B_r(e,S) to find solution over"
arg_type = Int
default = 2
end
return parse_args(settings)
end
parsed_args = parse_commandline()
function cpuinfo_physicalcores()
maxcore = -1
for line in eachline("/proc/cpuinfo")
if startswith(line, "core id")
maxcore = max(maxcore, parse(Int, split(line, ':')[2]))
end
end
maxcore < 0 && error("failure to read core ids from /proc/cpuinfo")
return maxcore + 1
end
if parsed_args["cpus"] == nothing
N = cpuinfo_physicalcores()
parsed_args["cpus"] = N
info("Setting --cpus to $N")
elseif parsed_args["cpus"] > cpuinfo_physicalcores()
warn("Number of specified cores exceeds the physical core count. Performance may suffer.")
end
addprocs(parsed_args["cpus"])
BLAS.set_num_threads(parsed_args["cpus"])
include("SAutFNs.jl")
include("Orbit.jl")
main(SAutFNs, parsed_args)