diff --git a/Grid/simd/Simd.h b/Grid/simd/Simd.h
index 428981fa..be60a99a 100644
--- a/Grid/simd/Simd.h
+++ b/Grid/simd/Simd.h
@@ -113,6 +113,14 @@ accelerator_inline RealD    adj(const RealD  & r){ return r; }
 accelerator_inline ComplexD adj(const ComplexD& r){ return(conjugate(r)); }
 accelerator_inline ComplexF adj(const ComplexF& r ){ return(conjugate(r)); }
 
+#if defined(GRID_CUDA) || defined(GRID_HIP)
+//Provide for convenience
+accelerator_inline std::complex<double> conjugate(const std::complex<double>& r){ return(conj(r)); }
+accelerator_inline std::complex<float>  conjugate(const std::complex<float>& r) { return(conj(r)); }
+accelerator_inline std::complex<double> adj(const std::complex<double>& r)      { return(conj(r)); }
+accelerator_inline std::complex<float>  adj(const std::complex<float>& r)       { return(conj(r)); }
+#endif
+
 accelerator_inline RealF real(const RealF  & r){ return r; }
 accelerator_inline RealD real(const RealD  & r){ return r; }
 accelerator_inline RealF real(const ComplexF  & r){ return r.real(); }
diff --git a/systems/Perlmutter/config-command b/systems/Perlmutter/config-command
index 30b17b4e..730cb8c1 100644
--- a/systems/Perlmutter/config-command
+++ b/systems/Perlmutter/config-command
@@ -1,12 +1,12 @@
 DIR=`pwd`
-PREFIX=$HOME/DDHMC/Grid/systems/Prerequisites/install/
+
 ../../configure \
     --enable-comms=mpi \
     --enable-simd=GPU \
     --enable-shm=nvlink \
     --enable-gen-simd-width=64 \
-    --with-gmp=$PREFIX \
-    --with-mpfr=$PREFIX \
+    --with-gmp=$GMP \
+    --with-mpfr=$MPFR \
     --enable-accelerator=cuda \
     --disable-fermion-reps \
     --disable-unified \
diff --git a/systems/Perlmutter/sourceme.sh b/systems/Perlmutter/sourceme.sh
index 6d09b1c9..1e4d2de6 100644
--- a/systems/Perlmutter/sourceme.sh
+++ b/systems/Perlmutter/sourceme.sh
@@ -1,4 +1,6 @@
-
 export CRAY_ACCEL_TARGET=nvidia80
+source /global/homes/p/pboyle/spack/share/spack/setup-env.sh
+export MPFR=`spack find --paths mpfr | grep mpfr | cut -c 13-`
+export GMP=`spack find --paths gmp   | grep gmp  | cut -c 12-`
 
-module load PrgEnv-gnu cpe-cuda cudatoolkit/11.4
+module load PrgEnv-gnu cpe-cuda cudatoolkit/12.0
diff --git a/systems/mac-arm/sourceme.sh b/systems/mac-arm/sourceme.sh
index b20af490..34a725ab 100644
--- a/systems/mac-arm/sourceme.sh
+++ b/systems/mac-arm/sourceme.sh
@@ -1,11 +1,7 @@
 source /Users/peterboyle/QCD//Spack/spack//share/spack/setup-env.sh
 export FFTW=`spack find --paths fftw    | grep ^fftw   | awk '{print $2}' `
-#export HDF5=`spack find --paths hdf5+cxx   | grep ^hdf5   | awk '{print $2}' `
 export CLIME=`spack find --paths c-lime | grep ^c-lime | awk '{print $2}' `
 export MPFR=`spack find --paths mpfr    | grep ^mpfr  | awk '{print $2}' `
 export OPENSSL=`spack find --paths openssl | grep openssl | awk  '{print $2}' `
 export GMP=`spack find --paths gmp      | grep ^gmp | awk '{print $2}' `
 
-export LD_LIBRARY_PATH=$MPFR/lib:$LD_LIBRARY_PATH
-export LD_LIBRARY_PATH=$GMP/lib:$LD_LIBRARY_PATH
-