fix conv1x1 stack overflow and conv3x3 buffer overrun

Author: andrej

programming_examples/ml/bottleneck/bottleneck.py

@@ -130,6 +130,7 @@ def conv1x1_fn(of_wts, of_act_in, of_act_out, conv1x1):
         Worker(
             conv1x1_fn,
             fn_args=[wts_buf_00.cons(), of_act_l3l2.cons(), of_act_2_3_5.prod(), conv1],
+            stack_size=0x1000,
         )
     )
 
@@ -147,7 +148,7 @@ def conv3x3_fn(of_wts, of_act_in, of_act_out, conv3x3, channel_offset):
             elem_out,
             tensor_w,
             l2_in_c,
-            l2_out_c,
+            l2_out_c // 2,
             3,
             3,
             0,
@@ -168,7 +169,7 @@ def conv3x3_fn(of_wts, of_act_in, of_act_out, conv3x3, channel_offset):
                 elem_out,
                 tensor_w,
                 l2_in_c,
-                l2_out_c,
+                l2_out_c // 2,
                 3,
                 3,
                 1,
@@ -189,7 +190,7 @@ def conv3x3_fn(of_wts, of_act_in, of_act_out, conv3x3, channel_offset):
             elem_out,
             tensor_w,
             l2_in_c,
-            l2_out_c,
+            l2_out_c // 2,
             3,
             3,
             2,

programming_examples/ml/resnet/layers_conv2_x/resnet.py

@@ -397,6 +397,7 @@ def conv1_skip_fn(
                     i,
                 ],
                 tile=cores[i][0],
+                stack_size=0x1000,
             )
         )
         workers.append(