Revert "MLBEDSW-5028: SRAM target exceeded for legacy_sram_size test option"
Relationship to other patches
This reverts commit b6dd9c2e5fcf2885fb42dab567378c8aec22215c.
Reason for revert: <INSERT REASONING HERE>
Change-Id: I50afb5ac4e33e5b8cd4f2aac1f5b94700ab8eeb1
diff --git a/ethosu/vela/architecture_features.py b/ethosu/vela/architecture_features.py
index e79ed72..5e26f1a 100644
--- a/ethosu/vela/architecture_features.py
+++ b/ethosu/vela/architecture_features.py
@@ -517,13 +517,14 @@
)
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):