def get_metrics(self):
"""get runtime time metrics"""
lp_options = pressio.compressor_get_metrics_results(self._compressor)
options = _pressio_to_python(lp_options)
pressio.options_free(lp_options)
return options
input_data = pressio.io_data_from_numpy(floatArray)
compressed_data = pressio.data_new_empty(pressio.byte_dtype,
pressio.vector_uint64_t())
dims = pressio.vector_uint64_t([height, width, 3])
decompressed_data = pressio.data_new_empty(pressio.double_dtype, dims)
#compress data with selected compressor
pressio.compressor_compress(compressor, input_data, compressed_data)
#decompress data with selected compressor
pressio.compressor_decompress(compressor, compressed_data,
decompressed_data)
#get metric results for compression
metric_results = pressio.compressor_get_metrics_results(compressor)
#Grab relevant compression metrics
compression_ratio = pressio.new_double()
compressed_size = pressio.new_uint32()
uncompressed_size = pressio.new_uint32()
decompressed_size = pressio.new_uint32()
pressio.options_get_double(metric_results, b"size:compression_ratio",
compression_ratio)
pressio.options_get_uinteger(metric_results, b"size:compressed_size",
compressed_size)
pressio.options_get_uinteger(metric_results, b"size:uncompressed_size",
uncompressed_size)
pressio.options_get_uinteger(metric_results, b"size:decompressed_size",
decompressed_size)