@@ -79,42 +79,9 @@ def physical_processor_count
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def compute_processor_count
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if Concurrent . on_jruby?
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java . lang . Runtime . getRuntime . availableProcessors
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- elsif Etc . respond_to? ( :nprocessors ) && ( nprocessor = Etc . nprocessors rescue nil )
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- nprocessor
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else
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- os_name = RbConfig ::CONFIG [ "target_os" ]
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- if os_name =~ /mingw|mswin/
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- require 'win32ole'
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- result = WIN32OLE . connect ( "winmgmts://" ) . ExecQuery (
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- "select NumberOfLogicalProcessors from Win32_Processor" )
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- result . to_enum . collect ( &:NumberOfLogicalProcessors ) . reduce ( :+ )
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- elsif File . readable? ( "/proc/cpuinfo" ) && ( cpuinfo_count = IO . read ( "/proc/cpuinfo" ) . scan ( /^processor/ ) . size ) > 0
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- cpuinfo_count
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- elsif File . executable? ( "/usr/bin/nproc" )
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- IO . popen ( "/usr/bin/nproc --all" , &:read ) . to_i
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- elsif File . executable? ( "/usr/bin/hwprefs" )
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- IO . popen ( "/usr/bin/hwprefs thread_count" , &:read ) . to_i
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- elsif File . executable? ( "/usr/sbin/psrinfo" )
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- IO . popen ( "/usr/sbin/psrinfo" , &:read ) . scan ( /^.*on-*line/ ) . size
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- elsif File . executable? ( "/usr/sbin/ioscan" )
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- IO . popen ( "/usr/sbin/ioscan -kC processor" , &:read ) . scan ( /^.*processor/ ) . size
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- elsif File . executable? ( "/usr/sbin/pmcycles" )
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- IO . popen ( "/usr/sbin/pmcycles -m" , &:read ) . count ( "\n " )
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- elsif File . executable? ( "/usr/sbin/lsdev" )
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- IO . popen ( "/usr/sbin/lsdev -Cc processor -S 1" , &:read ) . count ( "\n " )
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- elsif File . executable? ( "/usr/sbin/sysconf" ) and os_name =~ /irix/i
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- IO . popen ( "/usr/sbin/sysconf NPROC_ONLN" , &:read ) . to_i
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- elsif File . executable? ( "/usr/sbin/sysctl" )
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- IO . popen ( "/usr/sbin/sysctl -n hw.ncpu" , &:read ) . to_i
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- elsif File . executable? ( "/sbin/sysctl" )
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- IO . popen ( "/sbin/sysctl -n hw.ncpu" , &:read ) . to_i
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- else
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- # TODO (pitr-ch 05-Nov-2016): warn about failures
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- 1
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- end
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+ Etc . nprocessors
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end
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- rescue
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- return 1
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end
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def compute_physical_processor_count
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