diff --git a/systems/Aurora/tests/repro1gpu.pbs b/systems/Aurora/tests/repro1gpu.pbs
index 3b95b404..283a9343 100644
--- a/systems/Aurora/tests/repro1gpu.pbs
+++ b/systems/Aurora/tests/repro1gpu.pbs
@@ -30,6 +30,7 @@ export MPIR_CVAR_ALLREDUCE_INTRA_ALGORITHM=recursive_doubling
 unset MPIR_CVAR_CH4_COLL_SELECTION_TUNING_JSON_FILE
 unset MPIR_CVAR_COLL_SELECTION_TUNING_JSON_FILE
 unset MPIR_CVAR_CH4_POSIX_COLL_SELECTION_TUNING_JSON_FILE
+export SYCL_PROGRAM_COMPILE_OPTIONS="-ze-opt-large-register-file"
 
 cd $PBS_O_WORKDIR
 
diff --git a/systems/Aurora/tests/reproN.pbs b/systems/Aurora/tests/reproN.pbs
index fde4f3a9..293e7ade 100644
--- a/systems/Aurora/tests/reproN.pbs
+++ b/systems/Aurora/tests/reproN.pbs
@@ -26,9 +26,10 @@ export MPIR_CVAR_CH4_OFI_ENABLE_GPU_PIPELINE=1
 export SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1
 export SYCL_PI_LEVEL_ZERO_USE_COPY_ENGINE=1
 export SYCL_PI_LEVEL_ZERO_USE_COPY_ENGINE_FOR_D2D_COPY=1
+export SYCL_PROGRAM_COMPILE_OPTIONS="-ze-opt-large-register-file"
 
 export GRID_PRINT_ENTIRE_LOG=0
-export GRID_CHECKSUM_RECV_BUF=1
+export GRID_CHECKSUM_RECV_BUF=0
 export GRID_CHECKSUM_SEND_BUF=0
 
 export MPICH_OFI_NIC_POLICY=GPU