commit cce7f2d9d049f532c53d4fda55f2a39ac410da99
author Johan Alfvén <johan.alfven@arm.com> Fri Apr 08 10:47:09 2022 +0200
committer Johan Alfvén <johan.alfven@arm.com> Fri Apr 08 11:01:10 2022 +0200
tree 64154c859daa3e74c79eafeb92e48efd16a3f73d
parent 1e9ee1d806ea5287a1785cf105ed9b59ad4da92e

MLBEDSW-6339 Performance drop on wav2letter

Corrected calculation for used bufferering depth. Before change there
were scenarios when it was set to smaller sizes than needed.

Signed-off-by: Johan Alfven <johan.alfven@arm.com>
Change-Id: I162859ade78487e848510c6a605685e4568c7068

ethosu/vela/scheduler.py

diff --git a/ethosu/vela/scheduler.py b/ethosu/vela/scheduler.py
index a19d053..dde51c0 100644
--- a/ethosu/vela/scheduler.py
+++ b/ethosu/vela/scheduler.py
@@ -692,7 +692,7 @@
 
                 while True:
                     # Attempt to buffer whole blocks
-                    if buffering_bytes > block_depth:
+                    if buffering_depth > block_depth:
                         buffering_depth = round_down(buffering_depth, block_depth)
                     else:
                         buffering_depth = round_down(buffering_depth, ArchitectureFeatures.OFMSplitDepth)