MLBEDSW-6500: Address offset out of range
- Cascading a slice operator with read offsets is not
supported by the rolling buffer mechanism causing the
address to get out of range.
- The fix is to prevent ops to be cascaded if they have
read offsets.
Signed-off-by: Johan Alfven <johan.alfven@arm.com>
Change-Id: Iea7f054ac4b5a7dadf905bbe947033247284c27e
diff --git a/ethosu/vela/cascade_builder.py b/ethosu/vela/cascade_builder.py
index 4c3f75b..4703583 100644
--- a/ethosu/vela/cascade_builder.py
+++ b/ethosu/vela/cascade_builder.py
@@ -92,6 +92,8 @@
return (
sched_op.op_type.npu_block_type not in non_cascadable_blocks
and cost.stripe.height < sched_op.ofm.shape.height
+ and sched_op.parent_op.read_offsets[0] is None
+ and sched_op.parent_op.read_offsets[1] is None
)
def _estimate_sram_usage(self, sched_op, cost) -> int: