• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1#!/usr/bin/env python
2# Copyright 2019 Google LLC
3#
4# This source code is licensed under the BSD-style license found in the
5# LICENSE file in the root directory of this source tree.
6
7import argparse
8import codecs
9import math
10import os
11import re
12import sys
13import yaml
14
15sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
16import xngen
17import xnncommon
18
19
20parser = argparse.ArgumentParser(
21  description='HSwish microkernel test generator')
22parser.add_argument("-s", "--spec", metavar="FILE", required=True,
23                    help="Specification (YAML) file")
24parser.add_argument("-o", "--output", metavar="FILE", required=True,
25                    help='Output (C++ source) file')
26parser.set_defaults(defines=list())
27
28
29def split_ukernel_name(name):
30  match = re.match(r"^xnn_(f16|f32)_hswish_ukernel__(.+)_x(\d+)$", name)
31  if match is None:
32    raise ValueError("Unexpected microkernel name: " + name)
33  batch_tile = int(match.group(3))
34
35  arch, isa = xnncommon.parse_target_name(target_name=match.group(2))
36  return batch_tile, arch, isa
37
38
39HSWISH_TEST_TEMPLATE = """\
40TEST(${TEST_NAME}, batch_eq_${BATCH_TILE}) {
41  $if ISA_CHECK:
42    ${ISA_CHECK};
43  HSwishMicrokernelTester()
44    .batch_size(${BATCH_TILE})
45    .Test(${", ".join(TEST_ARGS)});
46}
47
48$if BATCH_TILE > 1:
49  TEST(${TEST_NAME}, batch_div_${BATCH_TILE}) {
50    $if ISA_CHECK:
51      ${ISA_CHECK};
52    for (size_t batch_size = ${BATCH_TILE*2}; batch_size < ${BATCH_TILE*10}; batch_size += ${BATCH_TILE}) {
53      HSwishMicrokernelTester()
54        .batch_size(batch_size)
55        .Test(${", ".join(TEST_ARGS)});
56    }
57  }
58
59  TEST(${TEST_NAME}, batch_lt_${BATCH_TILE}) {
60    $if ISA_CHECK:
61      ${ISA_CHECK};
62    for (size_t batch_size = 1; batch_size < ${BATCH_TILE}; batch_size++) {
63      HSwishMicrokernelTester()
64        .batch_size(batch_size)
65        .Test(${", ".join(TEST_ARGS)});
66    }
67  }
68
69TEST(${TEST_NAME}, batch_gt_${BATCH_TILE}) {
70  $if ISA_CHECK:
71    ${ISA_CHECK};
72  for (size_t batch_size = ${BATCH_TILE+1}; batch_size < ${10 if BATCH_TILE == 1 else BATCH_TILE*2}; batch_size++) {
73    HSwishMicrokernelTester()
74      .batch_size(batch_size)
75      .Test(${", ".join(TEST_ARGS)});
76  }
77}
78
79TEST(${TEST_NAME}, inplace) {
80  $if ISA_CHECK:
81    ${ISA_CHECK};
82  for (size_t batch_size = 1; batch_size <= ${BATCH_TILE*5}; batch_size += ${max(1, BATCH_TILE-1)}) {
83    HSwishMicrokernelTester()
84      .batch_size(batch_size)
85      .inplace(true)
86      .Test(${", ".join(TEST_ARGS)});
87  }
88}
89"""
90
91
92def generate_test_cases(ukernel, batch_tile, isa):
93  """Generates all tests cases for a Vector Binary Operation micro-kernel.
94
95  Args:
96    ukernel: C name of the micro-kernel function.
97    batch_tile: Number of batch elements processed per one iteration of the
98                inner loop of the micro-kernel.
99    isa: instruction set required to run the micro-kernel. Generated unit test
100         will skip execution if the host processor doesn't support this ISA.
101
102  Returns:
103    Code for the test case.
104  """
105  _, test_name = ukernel.split("_", 1)
106  _, datatype, _ = ukernel.split("_", 2)
107  test_args = [ukernel]
108  if not isa or isa == "psimd":
109    test_args.append("HSwishMicrokernelTester::Variant::Scalar")
110  return xngen.preprocess(HSWISH_TEST_TEMPLATE, {
111      "TEST_NAME": test_name.upper().replace("UKERNEL_", ""),
112      "TEST_ARGS": test_args,
113      "DATATYPE": datatype,
114      "BATCH_TILE": batch_tile,
115      "ISA_CHECK": xnncommon.generate_isa_check_macro(isa),
116    })
117
118
119def main(args):
120  options = parser.parse_args(args)
121
122  with codecs.open(options.spec, "r", encoding="utf-8") as spec_file:
123    spec_yaml = yaml.safe_load(spec_file)
124    if not isinstance(spec_yaml, list):
125      raise ValueError("expected a list of micro-kernels in the spec")
126
127    tests = """\
128// Copyright 2019 Google LLC
129//
130// This source code is licensed under the BSD-style license found in the
131// LICENSE file in the root directory of this source tree.
132//
133// Auto-generated file. Do not edit!
134//   Specification: {specification}
135//   Generator: {generator}
136
137
138#include <gtest/gtest.h>
139
140#include <xnnpack/common.h>
141#include <xnnpack/isa-checks.h>
142
143#include <xnnpack/hswish.h>
144#include "hswish-microkernel-tester.h"
145""".format(specification=options.spec, generator=sys.argv[0])
146
147    for ukernel_spec in spec_yaml:
148      name = ukernel_spec["name"]
149      batch_tile, arch, isa = split_ukernel_name(name)
150
151      # specification can override architecture
152      arch = ukernel_spec.get("arch", arch)
153
154      test_case = generate_test_cases(name, batch_tile, isa)
155      tests += "\n\n" + xnncommon.postprocess_test_case(test_case, arch, isa)
156
157    with codecs.open(options.output, "w", encoding="utf-8") as output_file:
158      output_file.write(tests)
159
160
161if __name__ == "__main__":
162  main(sys.argv[1:])
163