update doc and ci make.sh script

Author: d99kris

README.md

@@ -33,15 +33,15 @@ import spacy
 nlp = spacy.load("en_core_web_sm")
 doc = nlp(u"This is a sentence.")
 for token in doc:
-    print (token.text + " [" + token.pos_ + "]")
+    print(token.text + " [" + token.pos_ + "]")
 ```
 
 
 Supported Platforms
 ===================
-Spacy-cpp is implemented using C++11 with the intention of being portable. Current version has been
-tested on:
-- macOS 10.15 Catalina
+Spacy-cpp is implemented using C++11 with the intention of being portable. Current version has
+been tested on:
+- macOS Big Sur 11.0
 - Ubuntu 20.04 LTS
 
 

make.sh

@@ -83,7 +83,14 @@ fi
 
 # build
 if [[ "${BUILD}" == "1" ]]; then
-  mkdir -p build && cd build && cmake .. && make && cd .. || exiterr "build failed, exiting."
+  OS="$(uname)"
+  MAKEARGS=""
+  if [ "${OS}" == "Linux" ]; then
+    MAKEARGS="-j$(nproc)"
+  elif [ "${OS}" == "Darwin" ]; then
+    MAKEARGS="-j$(sysctl -n hw.ncpu)"
+  fi
+  mkdir -p build && cd build && cmake .. && make ${MAKEARGS} && cd .. || exiterr "build failed, exiting."
 fi
 
 # tests