FM / python

/usr/local/lib64/python3.6/site-packages/caffe2/python/

/usr/local/lib64/python3.6/site-packages/caffe2/python

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docs/	-	0755	rm
examples/	-	0755	rm
fakelowp/	-	0755	rm
helpers/	-	0755	rm
ideep/	-	0755	rm
layers/	-	0755	rm
mint/	-	0755	rm
mkl/	-	0755	rm
modeling/	-	0755	rm
models/	-	0755	rm
onnx/	-	0755	rm
operator_test/	-	0755	rm
predictor/	-	0755	rm
rnn/	-	0755	rm
serialized_test/	-	0755	rm
test/	-	0755	rm
trt/	-	0755	rm
__pycache__/	-	0755	rm
allcompare_test.py	2255	0644	edit dl rm
attention.py	12359	0644	edit dl rm
benchmark_generator.py	4912	0644	edit dl rm
binarysize.py	5521	0644	edit dl rm
brew.py	4762	0644	edit dl rm
brew_test.py	11739	0644	edit dl rm
build.py	153	0644	edit dl rm
cached_reader.py	4394	0644	edit dl rm
caffe2_pybind11_state.cpython-36m-x86_64-linux-gnu.so	48299712	0755	edit dl rm
caffe2_pybind11_state_gpu.cpython-36m-x86_64-linux-gnu.so	49048144	0755	edit dl rm
caffe_translator.py	35227	0644	edit dl rm
caffe_translator_test.py	3553	0644	edit dl rm
checkpoint.py	32101	0644	edit dl rm
checkpoint_test.py	13405	0644	edit dl rm
cnn.py	7626	0644	edit dl rm
context.py	2841	0644	edit dl rm
context_test.py	1792	0644	edit dl rm
control.py	19309	0644	edit dl rm
control_ops_grad.py	28893	0644	edit dl rm
control_ops_grad_test.py	1752	0644	edit dl rm
control_ops_util.py	10863	0644	edit dl rm
control_test.py	12276	0644	edit dl rm
convert.py	55	0644	edit dl rm
convert_test.py	201	0644	edit dl rm
convnet_benchmarks.py	20533	0644	edit dl rm
convnet_benchmarks_test.py	839	0644	edit dl rm
core.py	119400	0644	edit dl rm
core_gradients_test.py	38022	0644	edit dl rm
core_test.py	47683	0644	edit dl rm
crf.py	13250	0644	edit dl rm
crf_predict.py	1159	0644	edit dl rm
crf_viterbi_test.py	1663	0644	edit dl rm
dataio.py	23532	0644	edit dl rm
dataio_test.py	17575	0644	edit dl rm
dataset.py	12886	0644	edit dl rm
data_parallel_model.py	83100	0644	edit dl rm
data_parallel_model_test.py	56145	0644	edit dl rm
data_workers.py	15941	0644	edit dl rm
data_workers_test.py	6561	0644	edit dl rm
db_file_reader.py	6608	0644	edit dl rm
db_test.py	1110	0644	edit dl rm
device_checker.py	5157	0644	edit dl rm
dyndep.py	1533	0644	edit dl rm
embedding_generation_benchmark.py	5256	0644	edit dl rm
experiment_util.py	3625	0644	edit dl rm
extension_loader.py	744	0644	edit dl rm
fakefp16_transform_lib.py	322	0644	edit dl rm
filler_test.py	748	0644	edit dl rm
functional.py	4415	0644	edit dl rm
functional_test.py	4204	0644	edit dl rm
fused_8bit_rowwise_conversion_ops_test.py	3945	0644	edit dl rm
gradient_checker.py	15377	0644	edit dl rm
gradient_check_test.py	20729	0644	edit dl rm
gru_cell.py	5129	0644	edit dl rm
hip_test_util.py	405	0644	edit dl rm
hsm_util.py	2259	0644	edit dl rm
hypothesis_test.py	105762	0644	edit dl rm
hypothesis_test_util.py	26853	0644	edit dl rm
ideep_test_util.py	998	0644	edit dl rm
layers_test.py	92931	0644	edit dl rm
layer_model_helper.py	29340	0644	edit dl rm
layer_model_instantiator.py	3935	0644	edit dl rm
layer_parameter_sharing_test.py	9148	0644	edit dl rm
layer_test_util.py	4875	0644	edit dl rm
lazy.py	277	0644	edit dl rm
lazy_dyndep.py	2562	0644	edit dl rm
lazy_dyndep_test.py	3914	0644	edit dl rm
lengths_reducer_fused_8bit_rowwise_ops_test.py	7575	0644	edit dl rm
lengths_reducer_rowwise_8bit_ops_test.py	5710	0644	edit dl rm
lstm_benchmark.py	10649	0644	edit dl rm
memonger.py	34041	0644	edit dl rm
memonger_test.py	36910	0644	edit dl rm
mkl_test_util.py	1142	0644	edit dl rm
model_device_test.py	4777	0644	edit dl rm
model_helper.py	23492	0644	edit dl rm
model_helper_test.py	2336	0644	edit dl rm
modifier_context.py	1772	0644	edit dl rm
muji.py	8131	0644	edit dl rm
muji_test.py	3058	0644	edit dl rm
net_builder.py	27679	0644	edit dl rm
net_builder_test.py	11382	0644	edit dl rm
net_drawer.py	14264	0644	edit dl rm
net_printer.py	12704	0644	edit dl rm
net_printer_test.py	3190	0644	edit dl rm
nomnigraph.py	4216	0644	edit dl rm
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nomnigraph_transformations.py	3787	0644	edit dl rm
nomnigraph_transformations_test.py	5767	0644	edit dl rm
normalizer.py	1411	0644	edit dl rm
normalizer_context.py	1007	0644	edit dl rm
normalizer_test.py	487	0644	edit dl rm
numa_benchmark.py	2230	0644	edit dl rm
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observer_test.py	5316	0644	edit dl rm
operator_fp_exceptions_test.py	1248	0644	edit dl rm
optimizer.py	78813	0644	edit dl rm
optimizer_context.py	1462	0644	edit dl rm
optimizer_test.py	30705	0644	edit dl rm
optimizer_test_util.py	9187	0644	edit dl rm
parallelize_bmuf_distributed_test.py	9908	0644	edit dl rm
parallel_workers.py	7682	0644	edit dl rm
parallel_workers_test.py	3501	0644	edit dl rm
pipeline.py	17283	0644	edit dl rm
pipeline_test.py	2542	0644	edit dl rm
predictor_constants.py	198	0644	edit dl rm
python_op_test.py	9169	0644	edit dl rm
queue_util.py	4459	0644	edit dl rm
record_queue.py	4453	0644	edit dl rm
recurrent.py	13297	0644	edit dl rm
regularizer.py	21120	0644	edit dl rm
regularizer_context.py	1013	0644	edit dl rm
regularizer_test.py	10266	0644	edit dl rm
rnn_cell.py	68233	0644	edit dl rm
schema.py	45621	0644	edit dl rm
schema_test.py	15754	0644	edit dl rm
scope.py	3623	0644	edit dl rm
scope_test.py	5249	0644	edit dl rm
session.py	7642	0644	edit dl rm
session_test.py	2078	0644	edit dl rm
sparse_to_dense_mask_test.py	6565	0644	edit dl rm
sparse_to_dense_test.py	3556	0644	edit dl rm
task.py	24274	0644	edit dl rm
task_test.py	870	0644	edit dl rm
test_util.py	3524	0644	edit dl rm
text_file_reader.py	1990	0644	edit dl rm
timeout_guard.py	4054	0644	edit dl rm
toy_regression_test.py	2822	0644	edit dl rm
transformations.py	1832	0644	edit dl rm
transformations_test.py	11960	0644	edit dl rm
tt_core.py	9349	0644	edit dl rm
tt_core_test.py	2518	0644	edit dl rm
utils.py	14181	0644	edit dl rm
utils_test.py	1399	0644	edit dl rm
visualize.py	6315	0644	edit dl rm
workspace.py	25263	0644	edit dl rm
workspace_test.py	34844	0644	edit dl rm
_import_c_extension.py	2250	0644	edit dl rm
__init__.py	3925	0644	edit dl rm

Edit: /usr/local/lib64/python3.6/site-packages/caffe2/python/fused_8bit_rowwise_conversion_ops_test.py (3945B)

from caffe2.python import core, workspace
import caffe2.python.hypothesis_test_util as hu

import numpy as np
import struct
from hypothesis import given

# Eigen/Python round 0.5 away from 0, Numpy rounds to even
round_to_nearest = np.vectorize(round)

def bytes_to_floats(byte_matrix):
    floats = np.empty([np.shape(byte_matrix)[0], 1], dtype=np.float32)
    for i, byte_values in enumerate(byte_matrix):
        floats[i], = struct.unpack('f', bytearray(byte_values))
    return floats

def floats_to_bytes(floats):
    byte_matrix = np.empty([np.shape(floats)[0], 4], dtype=np.uint8)
    for i, value in enumerate(floats):
        assert isinstance(value, np.float32), (value, floats)
        as_bytes = struct.pack('f', value)
        # In Python3 bytes will be a list of int, in Python2 a list of string
        if isinstance(as_bytes[0], int):
            byte_matrix[i] = list(as_bytes)
        else:
            byte_matrix[i] = [ord(i) for i in as_bytes]
    return byte_matrix

def fused_rowwise_8bit_quantize_reference(data):
    minimum = np.min(data, axis=-1, keepdims=True)
    maximum = np.max(data, axis=-1, keepdims=True)
    span = maximum - minimum
    bias = minimum
    scale = span / 255.0
    inverse_scale = 255.0 / (span + 1e-8)
    quantized_data = round_to_nearest((data - bias) * inverse_scale)
    scale_bytes = floats_to_bytes(scale.reshape(-1))
    scale_bytes = scale_bytes.reshape(data.shape[:-1] + (scale_bytes.shape[-1],))
    bias_bytes = floats_to_bytes(bias.reshape(-1))
    bias_bytes = bias_bytes.reshape(data.shape[:-1] + (bias_bytes.shape[-1],))
    print(quantized_data.shape, scale.shape, scale_bytes.shape, bias.shape, bias_bytes.shape)
    return np.concatenate([quantized_data, scale_bytes, bias_bytes], axis=-1)

def fused_rowwise_8bit_quantize_dequantize_reference(data):
    fused_quantized = fused_rowwise_8bit_quantize_reference(data)
    scale = bytes_to_floats(fused_quantized[..., -8:-4].astype(np.uint8).reshape(-1, 4))
    scale = scale.reshape(fused_quantized.shape[:-1] + (scale.shape[-1],))
    bias = bytes_to_floats(fused_quantized[..., -4:].astype(np.uint8).reshape(-1, 4))
    bias = bias.reshape(fused_quantized.shape[:-1] + (bias.shape[-1],))
    quantized_data = fused_quantized[..., :-8]
    return quantized_data * scale + bias

class TestFused8BitRowwiseQuantizationConversion(hu.HypothesisTestCase):
    @given(input_data=hu.tensor(min_dim=1, max_dim=3, max_value=33))
    def test_quantize_op(self, input_data):
        quantize = core.CreateOperator(
            'FloatToFused8BitRowwiseQuantized',
            ['input_data'],
            ['quantized_data'],
        )
        workspace.FeedBlob('input_data', input_data)
        workspace.RunOperatorOnce(quantize)

quantized_data = workspace.FetchBlob('quantized_data')

reference = fused_rowwise_8bit_quantize_reference(
            input_data.astype(np.float32)
        )
        np.testing.assert_array_almost_equal(quantized_data, reference)

@given(input_data=hu.tensor(min_dim=1, max_dim=3, max_value=33))
    def test_quantize_and_dequantize_op(self, input_data):
        quantize = core.CreateOperator(
            'FloatToFused8BitRowwiseQuantized',
            ['input_data'],
            ['quantized_data'],
        )
        workspace.FeedBlob('input_data', input_data)
        workspace.RunOperatorOnce(quantize)

quantized_data = workspace.FetchBlob('quantized_data')

dequantize = core.CreateOperator(
            'Fused8BitRowwiseQuantizedToFloat',
            ['quantized_data'],
            ['dequantized_data'],
        )
        workspace.FeedBlob('quantized_data', quantized_data)
        workspace.RunOperatorOnce(dequantize)

dequantized_data = workspace.FetchBlob('dequantized_data')

reference = fused_rowwise_8bit_quantize_dequantize_reference(input_data)
        np.testing.assert_array_almost_equal(dequantized_data, reference)

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