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Diffstat (limited to 'ethosu/vela/cascade_builder.py')
| -rw-r--r-- | ethosu/vela/cascade_builder.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ethosu/vela/cascade_builder.py b/ethosu/vela/cascade_builder.py index 7baa3a83..ba210032 100644 --- a/ethosu/vela/cascade_builder.py +++ b/ethosu/vela/cascade_builder.py @@ -105,7 +105,11 @@ class CascadeBuilder: def _estimate_sram_usage(self, sched_op, cost) -> int: """Estimate the SRAM required for the Op if all FeatureMaps are in SRAM""" - ifm2_size = sched_op.ifm2_size_in_bytes() + if sched_op.parent_op.type.is_binary_elementwise_op(): + # ifm2 is scalar or constant and will always persist in permanent memory + ifm2_size = 0 + else: + ifm2_size = sched_op.ifm2_size_in_bytes() if sched_op.requires_full_ifm: ifm_size = sched_op.ifm_size_in_bytes() else: |