Add model specs

Author: VladimirUmek

model/aot_model.py

@@ -24,8 +24,8 @@ def forward(self, x: torch.Tensor, y: torch.Tensor) -> torch.Tensor:
 # Some args are used by the Arm Vela graph compiler later in the example. Refer to Arm Vela documentation for an
 # explanation of its flags: https://gitlab.arm.com/artificial-intelligence/ethos-u/ethos-u-vela/-/blob/main/OPTIONS.md
 compile_spec = EthosUCompileSpec(
-            target="ethos-u55-128",
-            system_config="Ethos_U55_High_End_Embedded",
+            target="ethos-u85-256",
+            system_config="Ethos_U85_SYS_DRAM_Low",
             memory_mode="Shared_Sram",
             extra_flags=["--output-format=raw", "--debug-force-regor"]
         )

model/arm-none-eabi-gcc.cmake

@@ -20,7 +20,7 @@
 # modified to align better with cs300 platform
 
 set(TARGET_CPU
-    "cortex-m55"
+    "cortex-m85"
     CACHE STRING "Target CPU"
 )
 string(TOLOWER ${TARGET_CPU} CMAKE_SYSTEM_PROCESSOR)
@@ -60,7 +60,8 @@ string(REPLACE "cortex-m85" "cortex-m55" GCC_CPU ${GCC_CPU})
 add_compile_options(
   -mcpu=${GCC_CPU} -mthumb "$<$<CONFIG:DEBUG>:-gdwarf-3>"
   "$<$<COMPILE_LANGUAGE:CXX>:-fno-unwind-tables;-fno-rtti;-fno-exceptions>"
-  -fdata-sections -ffunction-sections
+  -fdata-sections -ffunction-sections 
+  -Oz
 )
 
 # Compile defines