diff --git a/openblas.spec b/openblas.spec
index 40e192686d1b1c43a52f691e45b535a52f6b757c..0eb3ca2310af0f47023701a8fe2fbdacccf141f0 100644
--- a/openblas.spec
+++ b/openblas.spec
@@ -170,36 +170,37 @@ COMMON="%{optflags} -fPIC"
 FCOMMON="%{optflags} -fPIC -frecursive"
 export LDFLAGS="%{__global_ldflags}"
 
-make -C Rblas      $TARGET USE_THREAD=0 USE_LOCKING=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libRblas" LIBSONAME="libRblas.so" $AVX $LAPACKE INTERFACE64=0
+(make -C Rblas      $TARGET USE_THREAD=0 USE_LOCKING=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libRblas" LIBSONAME="libRblas.so" $AVX $LAPACKE INTERFACE64=0)&
 
 # Declare some necessary build flags
 COMMON="%{optflags} -fPIC"
 FCOMMON="$COMMON -frecursive"
-make -C serial     $TARGET USE_THREAD=0 USE_LOCKING=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblas"      $AVX $LAPACKE INTERFACE64=0
-make -C threaded   $TARGET USE_THREAD=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblasp"     $AVX $LAPACKE INTERFACE64=0
+(make -C serial     $TARGET USE_THREAD=0 USE_LOCKING=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblas"      $AVX $LAPACKE INTERFACE64=0)&
+(make -C threaded   $TARGET USE_THREAD=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblasp"     $AVX $LAPACKE INTERFACE64=0)&
 
 # USE_THREAD determines use of SMP, not of pthreads
 COMMON="%{optflags} -fPIC -fopenmp -pthread"
 FCOMMON="$COMMON -frecursive"
-make -C openmp     $TARGET USE_THREAD=1 USE_OPENMP=1 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblaso"     $AVX $LAPACKE INTERFACE64=0 %{with cpp_thread_check:CPP_THREAD_SAFETY_TEST=1}
+(make -C openmp     $TARGET USE_THREAD=1 USE_OPENMP=1 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblaso"     $AVX $LAPACKE INTERFACE64=0 %{with cpp_thread_check:CPP_THREAD_SAFETY_TEST=1})&
 
 COMMON="%{optflags} -fPIC"
 FCOMMON="$COMMON -frecursive -fdefault-integer-8"
-make -C serial64   $TARGET USE_THREAD=0 USE_LOCKING=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblas64"    $AVX $LAPACKE INTERFACE64=1
-make -C threaded64 $TARGET USE_THREAD=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblasp64"   $AVX $LAPACKE INTERFACE64=1
+(make -C serial64   $TARGET USE_THREAD=0 USE_LOCKING=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblas64"    $AVX $LAPACKE INTERFACE64=1)&
+(make -C threaded64 $TARGET USE_THREAD=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblasp64"   $AVX $LAPACKE INTERFACE64=1)&
 
 COMMON="%{optflags} -fPIC -fopenmp -pthread"
 FCOMMON="$COMMON -frecursive -fdefault-integer-8"
-make -C openmp64   $TARGET USE_THREAD=1 USE_OPENMP=1 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblaso64"   $AVX $LAPACKE INTERFACE64=1 CPP_THREAD_SAFETY_TEST=1
+(make -C openmp64   $TARGET USE_THREAD=1 USE_OPENMP=1 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblaso64"   $AVX $LAPACKE INTERFACE64=1 CPP_THREAD_SAFETY_TEST=1)&
 
 COMMON="%{optflags} -fPIC"
 FCOMMON="$COMMON -frecursive  -fdefault-integer-8"
-make -C serial64_   $TARGET USE_THREAD=0 USE_LOCKING=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblas64_"  $AVX $LAPACKE INTERFACE64=1 SYMBOLSUFFIX=64_
-make -C threaded64_ $TARGET USE_THREAD=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblasp64_" $AVX $LAPACKE INTERFACE64=1 SYMBOLSUFFIX=64_
+(make -C serial64_   $TARGET USE_THREAD=0 USE_LOCKING=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblas64_"  $AVX $LAPACKE INTERFACE64=1 SYMBOLSUFFIX=64_)&
+(make -C threaded64_ $TARGET USE_THREAD=1 USE_OPENMP=0 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblasp64_" $AVX $LAPACKE INTERFACE64=1 SYMBOLSUFFIX=64_)&
 
 COMMON="%{optflags} -fPIC -fopenmp -pthread"
 FCOMMON="$COMMON -frecursive -fdefault-integer-8"
-make -C openmp64_   $TARGET USE_THREAD=1 USE_OPENMP=1 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblaso64_" $AVX $LAPACKE INTERFACE64=1 SYMBOLSUFFIX=64_ CPP_THREAD_SAFETY_TEST=1
+(make -C openmp64_   $TARGET USE_THREAD=1 USE_OPENMP=1 FC=gfortran CC=gcc COMMON_OPT="$COMMON" FCOMMON_OPT="$FCOMMON" $NMAX LIBPREFIX="libopenblaso64_" $AVX $LAPACKE INTERFACE64=1 SYMBOLSUFFIX=64_ CPP_THREAD_SAFETY_TEST=1)&
+wait
 
 %install
 rm -rf %{buildroot}
@@ -350,6 +351,9 @@ rm -rf %{buildroot}%{_libdir}/pkgconfig
 %{_libdir}/lib%{name}*64_.so
 
 %changelog
+* Thu Oct 14 2021 zhangweiguo <zhangweiguo2@huawei.com> -0.3.13-3
+- parallelize compilation targets
+
 * Wed Jun 30 2021 zhouwenpei <zhouwenpei1@huawei.com> -0.3.13-2
 - add buildrequire gcc-c++