commit b1a9a9285b25f1ee9093a0343310d9f3d37c7756
author Tim Hall <tim.hall@arm.com> Fri Oct 29 12:51:53 2021 +0100
committer tim.hall <tim.hall@arm.com> Tue Nov 02 12:28:10 2021 +0000
tree 10a87d617e322dc2b87318201a2b7cf66654c5d9
parent ba2555e9fe9a93a308cc4e50f6a8a160571cb563

MLBEDSW-5437: MLCE: Vela ignores back2back Activations in model

 - Back-to-back 16-bit activation ops were packed into the same pass
because there was no check to disallow it
 - The solution is to set the appropriate incompatible-flags

Signed-off-by: Tim Hall <tim.hall@arm.com>
Change-Id: Idb3c741a7b52e0d81c1f687f6ecf78352b7872dd

ethosu/vela/pass_packing.py

diff --git a/ethosu/vela/pass_packing.py b/ethosu/vela/pass_packing.py
index b28f4eb..530ad78 100644
--- a/ethosu/vela/pass_packing.py
+++ b/ethosu/vela/pass_packing.py
@@ -105,7 +105,7 @@
         # ops_set
         npu_post_fuse_limited_ops,
         # incompatible_pack_flags
-        PassFlags.Cpu | PassFlags.MemoryOnly | PassFlags.Main,
+        PassFlags.Cpu | PassFlags.MemoryOnly | PassFlags.Main | PassFlags.PostFusingLimited,
         # flags_to_set
         PassFlags.Npu | PassFlags.PostFusingLimited,
         # flags_to_clear