Increase memory allocated for inputs in case semi hosting is used. (#5309)

Summary:
Enable E2E MNV2 unit test

Pull Request resolved: #5309

Reviewed By: mcr229

Differential Revision: D62582648

Pulled By: digantdesai

fbshipit-source-id: efa4b4f399cf6dee8e87ecfdc9885628c2c0e275

Author: freddan80

backends/arm/test/models/test_mobilenet_v2_arm.py

@@ -84,7 +84,7 @@ def test_mv2_tosa_BI(self):
         )
 
     def test_mv2_u55_BI(self):
-        (
+        tester = (
             ArmTester(
                 self.mv2,
                 example_inputs=self.model_inputs,
@@ -96,4 +96,9 @@ def test_mv2_u55_BI(self):
             .check(list(self.operators_after_quantization))
             .partition()
             .to_executorch()
+            .serialize()
         )
+        if common.is_option_enabled("corstone300"):
+            tester.run_method_and_compare_outputs(
+                atol=1.0, qtol=1, inputs=self.model_inputs
+            )

examples/arm/executor_runner/arm_executor_runner.cpp

@@ -22,23 +22,26 @@
 
 #include "arm_perf_monitor.h"
 
-/**
- * This header file is generated by the build process based on the .pte file
- * specified in the ET_PTE_FILE_PATH variable to the cmake build.
- * Control of the action of the .pte, it's use of operators and delegates, and
- * which are included in the bare metal build are also orchestrated by the
- * CMakeLists file. For example use see examples/arm/run.sh
- */
 #ifdef SEMIHOSTING
-// TODO: Verify the section attribute to match the linker script
-//       pending MLETORCH-39
-const size_t input_allocation_pool_size = 1 * 1024 * 1024;
+// In our unit test flow, we have the capability to provide an enitre model to
+// the Corstone-3xx FVP using semi hosting. Hence, the input allocation pool
+// needs to be large enough to take an entire model. On the FVP,
+// network_model_sec is linked to the DDR, which is large (256MB on
+// Corstone-300).
+const size_t input_allocation_pool_size = 100 * 1024 * 1024;
 unsigned char __attribute__((
     section("network_model_sec"),
     aligned(16))) input_allocation_pool[input_allocation_pool_size];
 // memory for the model will be allocated from the input_allocation_pool
 char* model_pte = nullptr;
 #else
+/**
+ * This header file is generated by the build process based on the .pte file
+ * specified in the ET_PTE_FILE_PATH variable to the cmake build.
+ * Control of the action of the .pte, it's use of operators and delegates, and
+ * which are included in the bare metal build are also orchestrated by the
+ * CMakeLists file. For example use see examples/arm/run.sh
+ */
 #include "model_pte.h"
 #endif