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#
# SPDX-FileCopyrightText: Copyright 2021-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
# SPDX-License-Identifier: Apache-2.0
#
import pytest
import os
import ethosu_driver as driver
from ethosu_driver.inference_runner import read_npy_file_to_buf
@pytest.fixture()
def device(device_name):
device = driver.Device("/dev/{}".format(device_name))
yield device
@pytest.fixture()
def network_buffer(device, model_name, shared_data_folder):
network_file = os.path.join(shared_data_folder, model_name)
network_buffer = driver.Buffer(device, network_file)
yield network_buffer
@pytest.mark.parametrize('device_name', ['ethosu0'])
def test_check_device_swig_ownership(device):
# Check to see that SWIG has ownership for parser. This instructs SWIG to take
# ownership of the return value. This allows the value to be automatically
# garbage-collected when it is no longer in use
assert device.thisown
@pytest.mark.parametrize('device_name', ['ethosu0'])
def test_device_ping(device):
device.ping()
@pytest.mark.parametrize('device_name', ['blabla'])
def test_device_wrong_name(device_name):
with pytest.raises(RuntimeError) as err:
driver.Device("/dev/{}".format(device_name))
# Only check for part of the exception since the exception returns
# absolute path which will change on different machines.
assert 'Failed to open device' in str(err.value)
@pytest.mark.parametrize('device_name', ['ethosu0'])
def test_driver_network_filenotfound_exception(device, shared_data_folder):
network_file = os.path.join(shared_data_folder, "some_unknown_model.tflite")
with pytest.raises(RuntimeError) as err:
network_buffer = driver.Buffer(device, network_file)
# Only check for part of the exception since the exception returns
# absolute path which will change on different machines.
assert 'Failed to open file:' in str(err.value)
@pytest.mark.parametrize('device_name', ['ethosu0'])
@pytest.mark.parametrize('model_name', ['model.tflite'])
def test_check_buffer_swig_ownership(network_buffer):
# Check to see that SWIG has ownership for parser. This instructs SWIG to take
# ownership of the return value. This allows the value to be automatically
# garbage-collected when it is no longer in use
assert network_buffer.thisown
@pytest.mark.parametrize('device_name', ['ethosu0'])
@pytest.mark.parametrize('model_name', ['model.tflite'])
def test_check_buffer_capacity(network_buffer):
assert network_buffer.capacity() > 0
@pytest.mark.parametrize('device_name', ['ethosu0'])
@pytest.mark.parametrize('model_name', ['model.tflite'])
def test_check_buffer_size(network_buffer):
assert network_buffer.size() > 0
@pytest.mark.parametrize('device_name', ['ethosu0'])
@pytest.mark.parametrize('model_name', ['model.tflite'])
def test_check_buffer_clear(network_buffer):
network_buffer.clear()
assert network_buffer.size() == 0
@pytest.mark.parametrize('device_name', ['ethosu0'])
@pytest.mark.parametrize('model_name', ['model.tflite'])
def test_check_buffer_resize(network_buffer):
offset = 1
new_size = network_buffer.capacity() - offset
network_buffer.resize(new_size, offset)
assert network_buffer.size() == new_size
@pytest.mark.parametrize('device_name', ['ethosu0'])
@pytest.mark.parametrize('model_name', ['model.tflite'])
def test_check_buffer_getFd(network_buffer):
assert network_buffer.getFd() >= 0
@pytest.mark.parametrize('device_name', ['ethosu0'])
@pytest.mark.parametrize('model_name', ['model.tflite'])
def test_check_network_ifm_size(device, network_buffer):
network = driver.Network(device, network_buffer)
assert network.getIfmSize() > 0
assert network_buffer.thisown
@pytest.mark.parametrize('device_name', [('ethosu0')])
def test_check_network_buffer_none(device):
with pytest.raises(RuntimeError) as err:
driver.Network(device, None)
# Only check for part of the exception since the exception returns
# absolute path which will change on different machines.
assert 'Failed to create the network' in str(err.value)
@pytest.mark.parametrize('device_name', ['ethosu0'])
@pytest.mark.parametrize('model_name', ['model.tflite'])
def test_check_network_ofm_size(device, network_buffer):
network = driver.Network(device, network_buffer)
assert network.getOfmSize() > 0
def test_getMaxPmuEventCounters():
assert driver.Inference.getMaxPmuEventCounters() > 0
@pytest.fixture()
def inf(device_name, model_name, input_files, timeout, shared_data_folder):
# Prepate full path of model and inputs
full_path_model_file = os.path.join(shared_data_folder, model_name)
full_path_input_files = []
for input_file in input_files:
full_path_input_files.append(os.path.join(shared_data_folder, input_file))
ifms_data = []
for ifm_file in full_path_input_files:
ifms_data.append(read_npy_file_to_buf(ifm_file))
device = driver.open_device(device_name)
device.ping()
network = driver.load_model(device, full_path_model_file)
ofms = driver.allocate_buffers(device, network.getOfmDims())
ifms = driver.allocate_buffers(device, network.getIfmDims())
# ofm_buffers = runner.run(ifms_data,timeout, ethos_pmu_counters)
driver.populate_buffers(ifms_data, ifms)
ethos_pmu_counters = [1]
enable_cycle_counter = True
inf_inst = driver.Inference(network, ifms, ofms, ethos_pmu_counters, enable_cycle_counter)
inf_inst.wait(int(timeout))
yield inf_inst
@pytest.mark.parametrize('device_name, model_name, timeout, input_files',
[('ethosu0', 'model.tflite', 5000000000, ['model_ifm.npy'])])
def test_inf_get_cycle_counter(inf):
total_cycles = inf.getCycleCounter()
assert total_cycles >= 0
@pytest.mark.parametrize('device_name, model_name, timeout, input_files',
[('ethosu0', 'model.tflite', 5000000000, ['model_ifm.npy'])])
def test_inf_get_pmu_counters(inf):
inf_pmu_counter = inf.getPmuCounters()
assert len(inf_pmu_counter) > 0
@pytest.mark.parametrize('device_name', ['ethosu0'])
def test_capabilities(device):
cap = device.capabilities()
assert cap.hwId
assert cap.hwCfg
assert cap.driver
@pytest.mark.parametrize('device_name', ['ethosu0'])
def test_kernel_driver_version(device):
version = device.getDriverVersion()
zero_version = [0, 0, 0]
# Validate that a version was returned
assert zero_version != [version.major, version.minor, version.patch]
# Check that supported kernel driver major versions are available in Python API
assert driver.MAX_SUPPORTED_KERNEL_DRIVER_MAJOR_VERSION
assert driver.MIN_SUPPORTED_KERNEL_DRIVER_MAJOR_VERSION
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