diff options
Diffstat (limited to 'ethosu/vela')
| -rw-r--r-- | ethosu/vela/architecture_features.py | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/ethosu/vela/architecture_features.py b/ethosu/vela/architecture_features.py index e79ed720..5e26f1a1 100644 --- a/ethosu/vela/architecture_features.py +++ b/ethosu/vela/architecture_features.py @@ -517,13 +517,14 @@ class ArchitectureFeatures: ) def mem_type_size(self, mem_type: MemType) -> int: - """Returns size in bytes available for the given memory type. This is a hard limit.""" - if mem_type == MemType.Scratch_fast and self.is_spilling_enabled(): - # when accessing the scratch fast memory type with memory spilling enabled the arena_cache_size refers to - # the cache memory area which is a hard limit + """Returns size in bytes available for the given memory type""" + if mem_type == MemType.Scratch_fast or (mem_type == MemType.Scratch and not self.is_spilling_enabled()): + # the arena cache memory area always contains the scratch fast memory type. it also contains the scratch + # memory type when memory spilling is not being used return self.arena_cache_size else: - # for all other memory types and modes the hard limit is the maximum possible address offset + # the compiler is not aware of the memory limits for these memory types and so all it can do is return the + # maximum address size return self.max_address_offset def _mem_port_mapping(self, mem_port): |