diff --git a/models/experimental/functional_unet/tests/test_unet_perf.py b/models/experimental/functional_unet/tests/test_unet_perf.py
index b97a24157726..2d35a23a1883 100644
--- a/models/experimental/functional_unet/tests/test_unet_perf.py
+++ b/models/experimental/functional_unet/tests/test_unet_perf.py
@@ -44,7 +44,7 @@ def test_unet_perf_device(batch: int, groups: int, expected_device_perf_fps: flo
 
     inference_time_key = "AVG DEVICE KERNEL SAMPLES/S"
     post_processed_results = run_device_perf(
-        command, subdir="unet_shallow", num_iterations=1, cols=cols, batch_size=total_batch
+        command, subdir="unet_shallow", num_iterations=3, cols=cols, batch_size=total_batch
     )
     expected_perf_cols = {inference_time_key: expected_device_perf_fps}
     expected_results = check_device_perf(
diff --git a/models/experimental/functional_unet/tt/unet_shallow_ttnn.py b/models/experimental/functional_unet/tt/unet_shallow_ttnn.py
index cc5a66404d0e..215399ea23ba 100644
--- a/models/experimental/functional_unet/tt/unet_shallow_ttnn.py
+++ b/models/experimental/functional_unet/tt/unet_shallow_ttnn.py
@@ -88,6 +88,7 @@ def __init__(
         activation_dtype=ttnn.bfloat8_b,
         weights_dtype=ttnn.bfloat8_b,
         output_layout=ttnn.TILE_LAYOUT,
+        reshard_if_not_optimal=False,
         mesh_mapper=None,
     ):
         self.device = device
@@ -125,6 +126,7 @@ def __init__(
             activation=activation,
             output_layout=output_layout,
             input_channels_alignment=conv.input_channels_alignment if "input_channels_alignment" in conv else 32,
+            reshard_if_not_optimal=reshard_if_not_optimal,
         )
         config_override = conv.conv_blocking_and_parallelization_config_override
         if config_override and "act_block_h" in config_override:
@@ -192,11 +194,11 @@ def __init__(
         pool,
         device,
         conv_cache={},
-        should_reshard=False,
         mesh_mapper=None,
-        nhw_core_override=-1,
     ):
-        self.conv1 = UNetConv2D(conv1, bn=bn1, device=device, cache=conv_cache, mesh_mapper=mesh_mapper)
+        self.conv1 = UNetConv2D(
+            conv1, bn=bn1, device=device, cache=conv_cache, reshard_if_not_optimal=True, mesh_mapper=mesh_mapper
+        )
         self.conv2 = UNetConv2D(
             conv2,
             bn=bn2,
@@ -205,8 +207,6 @@ def __init__(
             mesh_mapper=mesh_mapper,
         )
         self.pool1 = UNetMaxPool2D(pool, conv2.out_channels, device=device)
-        if should_reshard:
-            self.conv1.conv_config.reshard_if_not_optimal = True
 
     def __call__(self, x):
         assert list(x.shape) == [
@@ -233,17 +233,13 @@ def __init__(
         bn3,
         device,
         conv_cache={},
-        should_reshard=False,
         mesh_mapper=None,
     ):
         self.device = device
-        self.conv1 = UNetConv2D(conv1, bn1, device, conv_cache, mesh_mapper=mesh_mapper)
+        self.conv1 = UNetConv2D(conv1, bn1, device, conv_cache, reshard_if_not_optimal=True, mesh_mapper=mesh_mapper)
         self.conv2 = UNetConv2D(conv2, bn2, device, conv_cache, mesh_mapper=mesh_mapper)
         self.conv3 = UNetConv2D(conv3, bn3, device, conv_cache, mesh_mapper=mesh_mapper)
 
-        if should_reshard:
-            self.conv1.conv_config.reshard_if_not_optimal = True
-
     def upsample(self, x):
         # Need to reshape into (B, H, W, C) to get correct output from ttnn.upsample
         x = ttnn.reshape(
@@ -308,7 +304,6 @@ def __init__(self, parameters: ParameterDict, device, mesh_mapper=None) -> None:
             parameters.p1,
             device,
             conv_cache=self.conv_cache,
-            should_reshard=False,
             mesh_mapper=mesh_mapper,
         )
         self.downblock2 = UNetDownblock(
@@ -319,7 +314,6 @@ def __init__(self, parameters: ParameterDict, device, mesh_mapper=None) -> None:
             parameters.p2,
             device,
             conv_cache=self.conv_cache,
-            should_reshard=True,
             mesh_mapper=mesh_mapper,
         )
         self.downblock3 = UNetDownblock(
@@ -330,7 +324,6 @@ def __init__(self, parameters: ParameterDict, device, mesh_mapper=None) -> None:
             parameters.p3,
             device,
             conv_cache=self.conv_cache,
-            should_reshard=True,
             mesh_mapper=mesh_mapper,
         )
         self.downblock4 = UNetDownblock(
@@ -341,12 +334,17 @@ def __init__(self, parameters: ParameterDict, device, mesh_mapper=None) -> None:
             parameters.p4,
             device,
             conv_cache=self.conv_cache,
-            should_reshard=True,
             mesh_mapper=mesh_mapper,
         )
 
-        self.bnc = UNetConv2D(parameters.bnc, parameters.bnb, device, cache=self.conv_cache, mesh_mapper=mesh_mapper)
-        self.bnc.conv_config.reshard_if_not_optimal = True
+        self.bnc = UNetConv2D(
+            parameters.bnc,
+            parameters.bnb,
+            device,
+            cache=self.conv_cache,
+            reshard_if_not_optimal=True,
+            mesh_mapper=mesh_mapper,
+        )
         self.bnc2 = UNetConv2D(
             parameters.bnc_2, parameters.bnb_2, device, cache=self.conv_cache, mesh_mapper=mesh_mapper
         )
@@ -360,7 +358,6 @@ def __init__(self, parameters: ParameterDict, device, mesh_mapper=None) -> None:
             parameters.b5_3,
             device,
             conv_cache=self.conv_cache,
-            should_reshard=True,
             mesh_mapper=mesh_mapper,
         )
         self.upblock2 = UNetUpblock(
@@ -372,7 +369,6 @@ def __init__(self, parameters: ParameterDict, device, mesh_mapper=None) -> None:
             parameters.b6_3,
             device,
             conv_cache=self.conv_cache,
-            should_reshard=True,
             mesh_mapper=mesh_mapper,
         )
         self.upblock3 = UNetUpblock(
@@ -384,7 +380,6 @@ def __init__(self, parameters: ParameterDict, device, mesh_mapper=None) -> None:
             parameters.b7_3,
             device,
             conv_cache=self.conv_cache,
-            should_reshard=True,
             mesh_mapper=mesh_mapper,
         )
         self.upblock4 = UNetUpblock(
@@ -396,7 +391,6 @@ def __init__(self, parameters: ParameterDict, device, mesh_mapper=None) -> None:
             parameters.b8_3,
             device,
             conv_cache=self.conv_cache,
-            should_reshard=True,
             mesh_mapper=mesh_mapper,
         )