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import argparse |
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import codecs |
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import math |
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import os |
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import re |
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import sys |
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import yaml |
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__))) |
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from primes import next_prime |
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import xngen |
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import xnncommon |
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parser = argparse.ArgumentParser(description='Fftr microkernel test generator') |
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parser.add_argument("-s", "--spec", metavar="FILE", required=True, |
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help="Specification (YAML) file") |
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parser.add_argument("-o", "--output", metavar="FILE", required=True, |
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help='Output (C++ source) file') |
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parser.set_defaults(defines=list()) |
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def split_ukernel_name(name): |
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match = re.fullmatch(r"xnn_cs16_fftr_ukernel__(.+)_x(\d+)", name) |
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assert match is not None |
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sample_tile = int(match.group(2)) |
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arch, isa, assembly = xnncommon.parse_target_name(target_name=match.group(1)) |
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return sample_tile, arch, isa, assembly |
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FFTR_TEST_TEMPLATE = """\ |
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TEST(${TEST_NAME}, samples_eq_256) { |
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$if ISA_CHECK: |
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${ISA_CHECK}; |
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FftrMicrokernelTester() |
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.samples(256) |
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.Test(${", ".join(TEST_ARGS)}); |
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} |
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""" |
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def generate_test_cases(ukernel, sample_tile, isa): |
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"""Generates all tests cases for a Fftr micro-kernel. |
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Args: |
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ukernel: C name of the micro-kernel function. |
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sample_tile: Number of samples processed per one iteration of the inner |
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loop of the micro-kernel. |
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isa: instruction set required to run the micro-kernel. Generated unit test |
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will skip execution if the host processor doesn't support this ISA. |
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Returns: |
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Code for the test case. |
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""" |
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_, test_name = ukernel.split("_", 1) |
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_, datatype, ukernel_type, _ = ukernel.split("_", 3) |
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return xngen.preprocess(FFTR_TEST_TEMPLATE, { |
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"TEST_NAME": test_name.upper().replace("UKERNEL_", ""), |
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"TEST_ARGS": [ukernel], |
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"DATATYPE": datatype, |
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"SAMPLE_TILE": sample_tile, |
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"ISA_CHECK": xnncommon.generate_isa_check_macro(isa), |
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"next_prime": next_prime, |
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}) |
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def main(args): |
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options = parser.parse_args(args) |
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with codecs.open(options.spec, "r", encoding="utf-8") as spec_file: |
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spec_yaml = yaml.safe_load(spec_file) |
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if not isinstance(spec_yaml, list): |
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raise ValueError("expected a list of micro-kernels in the spec") |
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tests = """\ |
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// Copyright 2022 Google LLC |
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// |
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// This source code is licensed under the BSD-style license found in the |
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// LICENSE file in the root directory of this source tree. |
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// |
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// Auto-generated file. Do not edit! |
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// Specification: {specification} |
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// Generator: {generator} |
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#include <gtest/gtest.h> |
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#include <xnnpack/common.h> |
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#include <xnnpack/isa-checks.h> |
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#include <xnnpack/fft.h> |
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#include "fftr-microkernel-tester.h" |
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""".format(specification=options.spec, generator=sys.argv[0]) |
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for ukernel_spec in spec_yaml: |
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name = ukernel_spec["name"] |
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sample_tile, arch, isa, assembly = split_ukernel_name(name) |
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test_case = generate_test_cases(name, sample_tile, isa) |
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tests += "\n\n" + xnncommon.postprocess_test_case(test_case, arch, isa, assembly) |
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txt_changed = True |
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if os.path.exists(options.output): |
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with codecs.open(options.output, "r", encoding="utf-8") as output_file: |
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txt_changed = output_file.read() != tests |
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if txt_changed: |
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with codecs.open(options.output, "w", encoding="utf-8") as output_file: |
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output_file.write(tests) |
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if __name__ == "__main__": |
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main(sys.argv[1:]) |
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