diff --git a/morpheus/stages/inference/triton_inference_stage.py b/morpheus/stages/inference/triton_inference_stage.py
index e5901363f9..e6c5c0fbb7 100644
--- a/morpheus/stages/inference/triton_inference_stage.py
+++ b/morpheus/stages/inference/triton_inference_stage.py
@@ -781,3 +781,13 @@ def _get_cpp_inference_node(self, builder: mrc.Builder) -> mrc.SegmentObject:
                                             self._needs_logits,
                                             self._input_mapping,
                                             self._output_mapping)
+
+    def _build_single(self, builder: mrc.Builder, input_node: mrc.SegmentObject) -> mrc.SegmentObject:
+        node = super()._build_single(builder, input_node)
+
+        # ensure that the C++ impl only uses a single progress engine
+        if (self._build_cpp_node()):
+            node.launch_options.pe_count = 1
+            node.launch_options.engines_per_pe = 1
+
+        return node
diff --git a/scripts/validation/val-run-all.sh b/scripts/validation/val-run-all.sh
index 905ee7f7e5..c85711cdbf 100755
--- a/scripts/validation/val-run-all.sh
+++ b/scripts/validation/val-run-all.sh
@@ -31,7 +31,10 @@ ensure_triton_running
 export USE_CPP=0
 
 ${SCRIPT_DIR}/abp/val-abp-all.sh
-${SCRIPT_DIR}/hammah/val-hammah-all.sh
+
+# Disabled per #1641
+# ${SCRIPT_DIR}/hammah/val-hammah-all.sh
+
 ${SCRIPT_DIR}/phishing/val-phishing-all.sh
 ${SCRIPT_DIR}/sid/val-sid-all.sh
 
@@ -39,6 +42,9 @@ ${SCRIPT_DIR}/sid/val-sid-all.sh
 export USE_CPP=1
 
 ${SCRIPT_DIR}/abp/val-abp-all.sh
-${SCRIPT_DIR}/hammah/val-hammah-all.sh
+
+# Disabled per #1641
+# ${SCRIPT_DIR}/hammah/val-hammah-all.sh
+
 ${SCRIPT_DIR}/phishing/val-phishing-all.sh
 ${SCRIPT_DIR}/sid/val-sid-all.sh
diff --git a/scripts/validation/val-run-pipeline.sh b/scripts/validation/val-run-pipeline.sh
index ee8b00075c..65641a1370 100755
--- a/scripts/validation/val-run-pipeline.sh
+++ b/scripts/validation/val-run-pipeline.sh
@@ -37,7 +37,7 @@ function run_pipeline_sid_minibert(){
    VAL_FILE=$4
    VAL_OUTPUT=$5
 
-   morpheus --log_level=DEBUG run --num_threads=1 --pipeline_batch_size=1024 --model_max_batch_size=32 --use_cpp=${USE_CPP} \
+   morpheus --log_level=DEBUG run --num_threads=$(nproc) --pipeline_batch_size=1024 --model_max_batch_size=32 --use_cpp=${USE_CPP} \
       pipeline-nlp --model_seq_length=256 \
       from-file --filename=${INPUT_FILE} \
       deserialize \
@@ -58,7 +58,7 @@ function run_pipeline_sid_bert(){
    VAL_FILE=$4
    VAL_OUTPUT=$5
 
-   morpheus --log_level=DEBUG run --num_threads=1 --pipeline_batch_size=1024 --model_max_batch_size=32 --use_cpp=${USE_CPP} \
+   morpheus --log_level=DEBUG run --num_threads=$(nproc) --pipeline_batch_size=1024 --model_max_batch_size=32 --use_cpp=${USE_CPP} \
       pipeline-nlp --model_seq_length=256 \
       from-file --filename=${INPUT_FILE} \
       deserialize \
@@ -79,7 +79,7 @@ function run_pipeline_abp_nvsmi(){
    VAL_FILE=$4
    VAL_OUTPUT=$5
 
-   morpheus --log_level=DEBUG run --num_threads=1 --pipeline_batch_size=1024 --model_max_batch_size=1024 --use_cpp=${USE_CPP} \
+   morpheus --log_level=DEBUG run --num_threads=$(nproc) --pipeline_batch_size=1024 --model_max_batch_size=1024 --use_cpp=${USE_CPP} \
       pipeline-fil --columns_file=${MORPHEUS_ROOT}/morpheus/data/columns_fil.txt \
       from-file --filename=${INPUT_FILE} \
       deserialize \
@@ -100,7 +100,7 @@ function run_pipeline_phishing_email(){
    VAL_FILE=$4
    VAL_OUTPUT=$5
 
-   morpheus --log_level=DEBUG run --num_threads=1 --pipeline_batch_size=1024 --model_max_batch_size=32 --use_cpp=${USE_CPP} \
+   morpheus --log_level=DEBUG run --num_threads=$(nproc) --pipeline_batch_size=1024 --model_max_batch_size=32 --use_cpp=${USE_CPP} \
       pipeline-nlp --model_seq_length=128 --labels_file=${MORPHEUS_ROOT}/morpheus/data/labels_phishing.txt \
       from-file --filename=${INPUT_FILE} \
       deserialize \
@@ -121,7 +121,7 @@ function run_pipeline_hammah_user123(){
    VAL_FILE=$4
    VAL_OUTPUT=$5
 
-   morpheus --log_level=DEBUG run --num_threads=1 --pipeline_batch_size=1024 --model_max_batch_size=1024 --use_cpp=${USE_CPP} \
+   morpheus --log_level=DEBUG run --num_threads=$(nproc) --pipeline_batch_size=1024 --model_max_batch_size=1024 --use_cpp=${USE_CPP} \
       pipeline-ae --columns_file="${MORPHEUS_ROOT}/morpheus/data/columns_ae_cloudtrail.txt" --userid_filter="user123" --userid_column_name="userIdentitysessionContextsessionIssueruserName" --timestamp_column_name="event_dt" \
       from-cloudtrail --input_glob="${MORPHEUS_ROOT}/models/datasets/validation-data/dfp-cloudtrail-*-input.csv" \
       train-ae --train_data_glob="${MORPHEUS_ROOT}/models/datasets/training-data/dfp-cloudtrail-*.csv" --source_stage_class=morpheus.stages.input.cloud_trail_source_stage.CloudTrailSourceStage --seed 42 \
@@ -143,7 +143,7 @@ function run_pipeline_hammah_role-g(){
    VAL_FILE=$4
    VAL_OUTPUT=$5
 
-   morpheus --log_level=DEBUG run --num_threads=1 --pipeline_batch_size=1024 --model_max_batch_size=1024 --use_cpp=${USE_CPP} \
+   morpheus --log_level=DEBUG run --num_threads=$(nproc) --pipeline_batch_size=1024 --model_max_batch_size=1024 --use_cpp=${USE_CPP} \
       pipeline-ae --columns_file="${MORPHEUS_ROOT}/morpheus/data/columns_ae_cloudtrail.txt" --userid_filter="role-g" --userid_column_name="userIdentitysessionContextsessionIssueruserName" --timestamp_column_name="event_dt" \
       from-cloudtrail --input_glob="${MORPHEUS_ROOT}/models/datasets/validation-data/dfp-cloudtrail-*-input.csv" \
       train-ae --train_data_glob="${MORPHEUS_ROOT}/models/datasets/training-data/dfp-cloudtrail-*.csv" --source_stage_class=morpheus.stages.input.cloud_trail_source_stage.CloudTrailSourceStage  --seed 42 \