fix: Added tolerance to tests failing the nightly build.

A larger tolerance is required for quantized (integer) data types.

Resolves: COMPMID-8494
Signed-off-by: Anna Mayne <[email protected]>
Signed-off-by: Anna Mayne <[email protected]>
Change-Id: I63232606a0cd93f52a307eb928e56bd06082ea8e
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/15022
Tested-by: Arm Jenkins <[email protected]>
Reviewed-by: Pablo Marquez Tello <[email protected]>
Benchmark: Arm Jenkins <[email protected]>
Comments-Addressed: Arm Jenkins <[email protected]>

Author: almayne

tests/validation/runtime/experimental/operators/CpuGEMMLowp.cpp

@@ -46,8 +46,15 @@ namespace test
 {
 namespace validation
 {
+namespace
+{
 using framework::dataset::make;
 
+/** Tolerance for float operations */
+constexpr AbsoluteTolerance<int8_t>  tolerance_qasymm8_signed(1);
+constexpr AbsoluteTolerance<uint8_t> tolerance_qasymm8(1);
+} // namespace
+
 TEST_SUITE(NEON)
 TEST_SUITE(OPERATORS)
 TEST_SUITE(CpuGEMMLowp)
@@ -251,15 +258,15 @@ TEST_SUITE(QASYMM8)
 FIXTURE_DATA_TEST_CASE(SmokeTestStaticQuant, CpuGEMMLowpStaticQuantFixture, framework::DatasetMode::ALL, combine(datasets::SmallGEMMLowpDataset(), make("DataType", DataType::QASYMM8), make("bool", false)/*is_multithreaded*/))
 {
     // Validate output
-    validate(Accessor(_targets[0]), _references[0]);
+    validate(Accessor(_targets[0]), _references[0], tolerance_qasymm8);
 }
 TEST_SUITE_END() // QASYMM8
 
 TEST_SUITE(QASYMM8_SIGNED)
 FIXTURE_DATA_TEST_CASE(SmokeTestStaticQuant, CpuGEMMLowpStaticQuantFixture, framework::DatasetMode::ALL, combine(datasets::SmallGEMMLowpDataset(), make("DataType", DataType::QASYMM8_SIGNED), make("bool", false)/*is_multithreaded*/))
 {
     // Validate output
-    validate(Accessor(_targets[0]), _references[0]);
+    validate(Accessor(_targets[0]), _references[0], tolerance_qasymm8_signed);
 }
 TEST_SUITE_END() // QASYMM8_SIGNED
 
@@ -270,7 +277,7 @@ FIXTURE_DATA_TEST_CASE(ConfigureOnceUseFromDifferentThreads, CpuGEMMLowpStaticQu
     // Validate output
     for(int i = 0; i < _num_parallel_runs; ++i)
     {
-        validate(Accessor(_targets[i]), _references[i]);
+        validate(Accessor(_targets[i]), _references[i], tolerance_qasymm8_signed);
     }
 }
 TEST_SUITE_END() // ThreadSafety