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num_cpu_cores: Prefer getconf over cpuinfo grep, simplify grep usage

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Ville Skyttä 2017-11-09 09:28:49 +02:00
parent eabe1f36a5
commit 67c47603ee
1 changed files with 2 additions and 1 deletions
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bin/ruby-build
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@ -154,7 +154,8 @@ num_cpu_cores() {
num="$(sysctl -n hw.ncpu 2>/dev/null || true)" num="$(sysctl -n hw.ncpu 2>/dev/null || true)"
;; ;;
* ) * )
num="$(grep ^processor /proc/cpuinfo 2>/dev/null | wc -l | xargs)" num="$({ getconf _NPROCESSORS_ONLN ||
grep -c ^processor /proc/cpuinfo; } 2>/dev/null)"
num="${num#0}" num="${num#0}"
;; ;;
esac esac