feat: Start using more than one thread while building

Jenkinsfile

@@ -76,7 +76,10 @@ pipeline {
       }
       steps {
         dir('gluon') {
-          sh "make -j1 V=s GLUON_TARGET=${params.GLUON_TARGET}"
+          def nproc_str = sh "nproc"
+          def nproc = nproc_str as Integer
+          def nproc_plus_one = nproc+1
+          sh "make -j${nproc_plus_one} GLUON_TARGET=${params.GLUON_TARGET}"
         }
       }
     }