diff -ur /home/chasun/manylinux/docker/build_scripts/build-cpython.sh ./build-cpython.sh
--- /home/chasun/manylinux/docker/build_scripts/build-cpython.sh	2022-07-29 02:19:20.983860581 +0000
+++ ./build-cpython.sh	2022-07-29 02:19:30.831732784 +0000
@@ -52,7 +52,7 @@
 	CFLAGS_NODIST="${MANYLINUX_CFLAGS} ${MANYLINUX_CPPFLAGS}" \
 	LDFLAGS_NODIST="${MANYLINUX_LDFLAGS}" \
 	--prefix=${PREFIX} --disable-shared --with-ensurepip=no > /dev/null
-make > /dev/null
+make -j$(nproc) > /dev/null
 make install > /dev/null
 if [ "${AUDITWHEEL_POLICY}" == "manylinux2010" ]; then
 	rm -f /usr/include/ffi.h /usr/include/ffitarget.h
diff -ur /home/chasun/manylinux/docker/build_scripts/build-git.sh ./build-git.sh
--- /home/chasun/manylinux/docker/build_scripts/build-git.sh	2022-07-29 02:19:20.983860581 +0000
+++ ./build-git.sh	2022-07-29 02:19:46.127533315 +0000
@@ -27,7 +27,7 @@
 check_sha256sum ${GIT_ROOT}.tar.gz ${GIT_HASH}
 tar -xzf ${GIT_ROOT}.tar.gz
 pushd ${GIT_ROOT}
-make install prefix=/usr/local NO_GETTEXT=1 NO_TCLTK=1 DESTDIR=/manylinux-rootfs CPPFLAGS="${MANYLINUX_CPPFLAGS}" CFLAGS="${MANYLINUX_CFLAGS}" CXXFLAGS="${MANYLINUX_CXXFLAGS}" LDFLAGS="${MANYLINUX_LDFLAGS}"
+make -j$(nproc) install prefix=/usr/local NO_GETTEXT=1 NO_TCLTK=1 DESTDIR=/manylinux-rootfs CPPFLAGS="${MANYLINUX_CPPFLAGS}" CFLAGS="${MANYLINUX_CFLAGS}" CXXFLAGS="${MANYLINUX_CXXFLAGS}" LDFLAGS="${MANYLINUX_LDFLAGS}"
 popd
 rm -rf ${GIT_ROOT} ${GIT_ROOT}.tar.gz
 
diff -ur /home/chasun/manylinux/docker/build_scripts/build-openssl.sh ./build-openssl.sh
--- /home/chasun/manylinux/docker/build_scripts/build-openssl.sh	2022-07-29 02:19:20.983860581 +0000
+++ ./build-openssl.sh	2022-07-29 02:19:46.127533315 +0000
@@ -42,7 +42,7 @@
 tar -xzf ${OPENSSL_ROOT}.tar.gz
 pushd ${OPENSSL_ROOT}
 ./config no-shared --prefix=/usr/local/ssl --openssldir=/usr/local/ssl CPPFLAGS="${MANYLINUX_CPPFLAGS}" CFLAGS="${MANYLINUX_CFLAGS} -fPIC" CXXFLAGS="${MANYLINUX_CXXFLAGS} -fPIC" LDFLAGS="${MANYLINUX_LDFLAGS} -fPIC" > /dev/null
-make > /dev/null
+make -j$(nproc) > /dev/null
 make install_sw > /dev/null
 popd
 rm -rf ${OPENSSL_ROOT} ${OPENSSL_ROOT}.tar.gz
diff -ur /home/chasun/manylinux/docker/build_scripts/build_utils.sh ./build_utils.sh
--- /home/chasun/manylinux/docker/build_scripts/build_utils.sh	2022-07-29 02:19:20.983860581 +0000
+++ ./build_utils.sh	2022-07-29 02:19:58.119376443 +0000
@@ -33,6 +33,7 @@
     if [ -f ${file} ]; then
         echo "${file} exists, skipping fetch"
     else
+        apt-get update && apt-get install -y curl gpg-agent
         curl -fsSL -o ${file} ${url}/${file}
     fi
 }
@@ -52,7 +53,7 @@
 
 function do_standard_install {
     ./configure "$@" CPPFLAGS="${MANYLINUX_CPPFLAGS}" CFLAGS="${MANYLINUX_CFLAGS}" "CXXFLAGS=${MANYLINUX_CXXFLAGS}" LDFLAGS="${MANYLINUX_LDFLAGS}" > /dev/null
-    make > /dev/null
+    make -j$(nproc) > /dev/null
     make install > /dev/null
 }
 
diff -ur /home/chasun/manylinux/docker/build_scripts/install-build-packages.sh ./install-build-packages.sh
--- /home/chasun/manylinux/docker/build_scripts/install-build-packages.sh	2022-07-29 02:19:20.983860581 +0000
+++ ./install-build-packages.sh	2022-07-29 02:19:58.119376443 +0000
@@ -20,7 +20,7 @@
 	else
 		COMPILE_DEPS="${COMPILE_DEPS} libdb-devel"
 	fi
-elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ]; then
+elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ] || [ "${AUDITWHEEL_POLICY}" == "manylinux_2_27" ]; then
 	PACKAGE_MANAGER=apt
 	COMPILE_DEPS="libbz2-dev libncurses5-dev libreadline-dev tk-dev libgdbm-dev libdb-dev libpcap-dev liblzma-dev openssl libssl-dev libkeyutils-dev libkrb5-dev comerr-dev libidn2-0-dev libcurl4-openssl-dev uuid-dev libffi-dev linux-kernel-headers"
 elif [ "${AUDITWHEEL_POLICY}" == "musllinux_1_1" ]; then
diff -ur /home/chasun/manylinux/docker/build_scripts/install-entrypoint.sh ./install-entrypoint.sh
--- /home/chasun/manylinux/docker/build_scripts/install-entrypoint.sh	2022-07-19 21:37:58.452393854 +0000
+++ ./install-entrypoint.sh	2022-07-29 02:19:58.119376443 +0000
@@ -11,18 +11,24 @@
 
 
 if [ "${AUDITWHEEL_PLAT}" = "manylinux2010_i686" ] || [ "${AUDITWHEEL_PLAT}" = "manylinux2014_i686" ]; then
-	echo "i386" > /etc/yum/vars/basearch
-	fixup-mirrors
-	yum -y update
-	fixup-mirrors
-	yum install -y util-linux-ng
-	# update system packages, we already updated them but
-	# the following script takes care of cleaning-up some things
-	# and since it's also needed in the finalize step, everything's
-	# centralized in this script to avoid code duplication
-	LC_ALL=C "${MY_DIR}/update-system-packages.sh"
+    echo "i386" > /etc/yum/vars/basearch
+    fixup-mirrors
+    yum -y update
+    fixup-mirrors
+    yum install -y util-linux-ng
+    # update system packages, we already updated them but
+    # the following script takes care of cleaning-up some things
+    # and since it's also needed in the finalize step, everything's
+    # centralized in this script to avoid code duplication
+    LC_ALL=C "${MY_DIR}/update-system-packages.sh"
 fi
 
 if [ "${AUDITWHEEL_POLICY}" = "musllinux_1_1" ]; then
-	apk add --no-cache bash
+    apk add --no-cache bash
+fi
+
+# https://www.shellcheck.net/wiki/SC3020
+if command -v yum 2>&1 ; then
+    yum install -y yum-plugin-versionlock
+    yum versionlock cuda* libcudnn* libnccl*
 fi
diff -ur /home/chasun/manylinux/docker/build_scripts/install-runtime-packages.sh ./install-runtime-packages.sh
--- /home/chasun/manylinux/docker/build_scripts/install-runtime-packages.sh	2022-07-29 02:19:20.983860581 +0000
+++ ./install-runtime-packages.sh	2022-07-29 02:19:58.119376443 +0000
@@ -34,7 +34,7 @@
 # MANYLINUX_DEPS: Install development packages (except for libgcc which is provided by gcc install)
 if [ "${AUDITWHEEL_POLICY}" == "manylinux2010" ] || [ "${AUDITWHEEL_POLICY}" == "manylinux2014" ] || [ "${AUDITWHEEL_POLICY}" == "manylinux_2_28" ]; then
 	MANYLINUX_DEPS="glibc-devel libstdc++-devel glib2-devel libX11-devel libXext-devel libXrender-devel mesa-libGL-devel libICE-devel libSM-devel zlib-devel expat-devel"
-elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ]; then
+elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ] || [ "${AUDITWHEEL_POLICY}" == "manylinux_2_27" ]; then
 	MANYLINUX_DEPS="libc6-dev libstdc++-6-dev libglib2.0-dev libx11-dev libxext-dev libxrender-dev libgl1-mesa-dev libice-dev libsm-dev libz-dev libexpat1-dev"
 elif [ "${AUDITWHEEL_POLICY}" == "musllinux_1_1" ]; then
 	MANYLINUX_DEPS="musl-dev libstdc++ glib-dev libx11-dev libxext-dev libxrender-dev mesa-dev libice-dev libsm-dev zlib-dev expat-dev"
@@ -53,6 +53,9 @@
 	fi
 elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ]; then
 	RUNTIME_DEPS="zlib1g libbz2-1.0 libexpat1 libncurses5 libreadline7 tk libgdbm3 libdb5.3 libpcap0.8 liblzma5 libssl1.1 libkeyutils1 libkrb5-3 libcomerr2 libidn2-0 libcurl3 uuid libffi6"
+elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_27" ]; then
+    # remove libgdbm3
+	RUNTIME_DEPS="zlib1g libbz2-1.0 libexpat1 libncurses5 libreadline7 tk libdb5.3 libpcap0.8 liblzma5 libssl1.1 libkeyutils1 libkrb5-3 libcomerr2 libidn2-0 libcurl3 uuid libffi6"
 elif [ "${AUDITWHEEL_POLICY}" == "musllinux_1_1" ]; then
 	RUNTIME_DEPS="zlib bzip2 expat ncurses5-libs readline tk gdbm db xz openssl keyutils-libs krb5-libs libcom_err libidn2 libcurl libuuid libffi"
 else
@@ -96,12 +99,22 @@
 	yum -y update
 	yum -y install yum-utils curl
 	yum-config-manager --enable extras
-	TOOLCHAIN_DEPS="devtoolset-10-binutils devtoolset-10-gcc devtoolset-10-gcc-c++ devtoolset-10-gcc-gfortran"
+
+ 	#Added by @snnn
+ 	if [ -d "/usr/local/cuda-10.2" ]; then
+ 	  TOOLCHAIN_DEPS="devtoolset-8-binutils devtoolset-8-gcc devtoolset-8-gcc-c++ devtoolset-8-gcc-gfortran"
+ 	elif [ -d "/usr/local/cuda-11.1" ]; then
+ 	  TOOLCHAIN_DEPS="devtoolset-9-binutils devtoolset-9-gcc devtoolset-9-gcc-c++ devtoolset-9-gcc-gfortran"
+ 	else
+ 	  TOOLCHAIN_DEPS="devtoolset-10-binutils devtoolset-10-gcc devtoolset-10-gcc-c++ devtoolset-10-gcc-gfortran"
+ 	fi
 	if [ "${AUDITWHEEL_ARCH}" == "x86_64" ]; then
 		# Software collection (for devtoolset-10)
 		yum -y install centos-release-scl-rh
 		# EPEL support (for yasm)
-		yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+ 		if ! rpm -q --quiet epel-release ; then
+ 		  yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+ 		fi
 		TOOLCHAIN_DEPS="${TOOLCHAIN_DEPS} yasm"
 	elif [ "${AUDITWHEEL_ARCH}" == "aarch64" ] || [ "${AUDITWHEEL_ARCH}" == "ppc64le" ] || [ "${AUDITWHEEL_ARCH}" == "s390x" ]; then
 		# Software collection (for devtoolset-10)
@@ -111,7 +124,7 @@
 		# Install mayeut/devtoolset-10 repo to get devtoolset-10
 		curl -fsSLo /etc/yum.repos.d/mayeut-devtoolset-10.repo https://copr.fedorainfracloud.org/coprs/mayeut/devtoolset-10/repo/custom-1/mayeut-devtoolset-10-custom-1.repo
 	fi
-elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ]; then
+elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ] || [ "${AUDITWHEEL_POLICY}" == "manylinux_2_27" ]; then
 	PACKAGE_MANAGER=apt
 	BASETOOLS="${BASETOOLS} hardlink hostname"
 	export DEBIAN_FRONTEND=noninteractive
diff -ur /home/chasun/manylinux/docker/build_scripts/python-tag-abi-tag.py ./python-tag-abi-tag.py
--- /home/chasun/manylinux/docker/build_scripts/python-tag-abi-tag.py	2022-07-19 21:37:58.452393854 +0000
+++ ./python-tag-abi-tag.py	2022-07-29 02:19:58.119376443 +0000
@@ -4,7 +4,6 @@
 
 from wheel.vendored.packaging.tags import sys_tags
 
-
 # first tag is always the more specific tag
 tag = next(sys_tags())
 print("{0}-{1}".format(tag.interpreter, tag.abi))
diff -ur /home/chasun/manylinux/docker/build_scripts/update-system-packages.sh ./update-system-packages.sh
--- /home/chasun/manylinux/docker/build_scripts/update-system-packages.sh	2022-07-29 02:19:20.987860529 +0000
+++ ./update-system-packages.sh	2022-07-29 02:19:58.119376443 +0000
@@ -20,7 +20,7 @@
 	fi
 	yum clean all
 	rm -rf /var/cache/yum
-elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ]; then
+elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ] || [ "${AUDITWHEEL_POLICY}" == "manylinux_2_27" ]; then
 	export DEBIAN_FRONTEND=noninteractive
 	apt-get update -qq
 	apt-get upgrade -qq -y
@@ -60,7 +60,7 @@
 		if [ "${AUDITWHEEL_POLICY}" == "manylinux2010" ] || [ "${AUDITWHEEL_POLICY}" == "manylinux2014" ] || [ "${AUDITWHEEL_POLICY}" == "manylinux_2_28" ]; then
 			mv -f ${LOCALE_ARCHIVE} ${LOCALE_ARCHIVE}.tmpl
 			build-locale-archive --install-langs="en_US.utf8"
-		elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ]; then
+		elif [ "${AUDITWHEEL_POLICY}" == "manylinux_2_24" ] || [ "${AUDITWHEEL_POLICY}" == "manylinux_2_27" ]; then
 			rm ${LOCALE_ARCHIVE}
 			localedef -i en_US -f UTF-8 en_US.UTF-8
 			update-locale LANG=en_US.UTF-8