diff --git a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/dev_beam.sh b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/dev_beam.sh
index 48d148b13a..03b8ad13cd 100755
--- a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/dev_beam.sh
+++ b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/dev_beam.sh
@@ -1,8 +1,10 @@
+#!/bin/bash
+
 export PYTHONPATH="."
 export MODEL="resnet"
 export DEFAULT_FLOAT="HALF" GPUS=6 BS=1536 EVAL_BS=48 LR=7
 
-export SPLIT_REDUCEOP=1 LAZYCACHE=0 RESET_STEP=0
+export LAZYCACHE=0 RESET_STEP=0
 
 export TRAIN_BEAM=3 IGNORE_JIT_FIRST_BEAM=1 BEAM_UOPS_MAX=1500 BEAM_UPCAST_MAX=64 BEAM_LOCAL_MAX=1024 BEAM_MIN_PROGRESS=10 BEAM_PADTO=0
 
diff --git a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/dev_run.sh b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/dev_run.sh
index 3d0583fd4e..bd23ef7337 100755
--- a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/dev_run.sh
+++ b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/dev_run.sh
@@ -1,8 +1,10 @@
+#!/bin/bash
+
 export PYTHONPATH="."
 export MODEL="resnet"
 export DEFAULT_FLOAT="HALF" GPUS=6 BS=1536 EVAL_BS=48 LR=7
 
-export SPLIT_REDUCEOP=1 LAZYCACHE=0 RESET_STEP=0
+export LAZYCACHE=0 RESET_STEP=0
 
 export TRAIN_BEAM=3 IGNORE_JIT_FIRST_BEAM=1 BEAM_UOPS_MAX=1500 BEAM_UPCAST_MAX=64 BEAM_LOCAL_MAX=1024 BEAM_MIN_PROGRESS=10 BEAM_PADTO=0
 
diff --git a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/run_and_time.sh b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/run_and_time.sh
index 7c3b32cc2e..7a3748da3e 100755
--- a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/run_and_time.sh
+++ b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_green/run_and_time.sh
@@ -5,7 +5,7 @@ export MODEL="resnet"
 export SUBMISSION_PLATFORM="tinybox_green"
 export DEFAULT_FLOAT="HALF" GPUS=6 BS=1536 EVAL_BS=48 LR=7
 
-export SPLIT_REDUCEOP=1 LAZYCACHE=0 RESET_STEP=0
+export LAZYCACHE=0 RESET_STEP=0
 
 export TRAIN_BEAM=3 IGNORE_JIT_FIRST_BEAM=1 BEAM_UOPS_MAX=1500 BEAM_UPCAST_MAX=64 BEAM_LOCAL_MAX=1024 BEAM_MIN_PROGRESS=10 BEAM_PADTO=0
 
diff --git a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/dev_beam.sh b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/dev_beam.sh
index e89f1f075b..ee6ab6dc16 100755
--- a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/dev_beam.sh
+++ b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/dev_beam.sh
@@ -4,7 +4,7 @@ export PYTHONPATH="."
 export MODEL="resnet"
 export DEFAULT_FLOAT="HALF" GPUS=6 BS=1536 EVAL_BS=48 LR=7
 
-export SPLIT_REDUCEOP=1 LAZYCACHE=0 RESET_STEP=0
+export LAZYCACHE=0 RESET_STEP=0
 
 export TRAIN_BEAM=4 IGNORE_JIT_FIRST_BEAM=1 BEAM_UOPS_MAX=1500 BEAM_UPCAST_MAX=64 BEAM_LOCAL_MAX=1024 BEAM_MIN_PROGRESS=10 BEAM_PADTO=0
 
diff --git a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/dev_run.sh b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/dev_run.sh
index db49b76f4a..eef8d3d02c 100755
--- a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/dev_run.sh
+++ b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/dev_run.sh
@@ -4,7 +4,7 @@ export PYTHONPATH="."
 export MODEL="resnet"
 export DEFAULT_FLOAT="HALF" GPUS=6 BS=1536 EVAL_BS=48 LR=7
 
-export SPLIT_REDUCEOP=1 LAZYCACHE=0 RESET_STEP=0
+export LAZYCACHE=0 RESET_STEP=0
 
 export TRAIN_BEAM=4 IGNORE_JIT_FIRST_BEAM=1 BEAM_UOPS_MAX=1500 BEAM_UPCAST_MAX=64 BEAM_LOCAL_MAX=1024 BEAM_MIN_PROGRESS=10 BEAM_PADTO=0
 
diff --git a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/run_and_time.sh b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/run_and_time.sh
index 9165e01369..0caf746b44 100755
--- a/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/run_and_time.sh
+++ b/examples/mlperf/training_submission_v4.0/tinycorp/benchmarks/resnet/implementations/tinybox_red/run_and_time.sh
@@ -5,7 +5,7 @@ export MODEL="resnet"
 export SUBMISSION_PLATFORM="tinybox_red"
 export DEFAULT_FLOAT="HALF" GPUS=6 BS=1536 EVAL_BS=48 LR=7
 
-export SPLIT_REDUCEOP=1 LAZYCACHE=0 RESET_STEP=0
+export LAZYCACHE=0 RESET_STEP=0
 
 export TRAIN_BEAM=4 IGNORE_JIT_FIRST_BEAM=1 BEAM_UOPS_MAX=1500 BEAM_UPCAST_MAX=64 BEAM_LOCAL_MAX=1024 BEAM_MIN_PROGRESS=10 BEAM_PADTO=0