File size: 4,996 Bytes
8b7c501
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
#!/usr/bin/env python
# Copyright 2019 Google LLC
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.

import argparse
import codecs
import math
import os
import re
import sys
import yaml

sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
import xngen
import xnncommon


parser = argparse.ArgumentParser(
  description='Vector ScaleExpMinusMax microkernel test generator')
parser.add_argument("-s", "--spec", metavar="FILE", required=True,
                    help="Specification (YAML) file")
parser.add_argument("-o", "--output", metavar="FILE", required=True,
                    help='Output (C++ source) file')
parser.set_defaults(defines=list())


def split_ukernel_name(name):
  match = re.fullmatch(r"xnn_(f16|f32)_vscaleexpminusmax_ukernel__(.+)_x(\d+)", name)
  if match is None:
    raise ValueError("Unexpected microkernel name: " + name)
  elements_tile = int(match.group(3))

  arch, isa, assembly = xnncommon.parse_target_name(target_name=match.group(2))
  return elements_tile, arch, isa


RADDEXTEXP_TEST_TEMPLATE = """\
TEST(${TEST_NAME}, elements_eq_${ELEMENTS_TILE}) {
  $if ISA_CHECK:
    ${ISA_CHECK};
  VScaleExpMinusMaxMicrokernelTester()
    .elements(${ELEMENTS_TILE})
    .Test(${TEST_FUNCTION});
}

$if ELEMENTS_TILE > 1:
  TEST(${TEST_NAME}, elements_div_${ELEMENTS_TILE}) {
    $if ISA_CHECK:
      ${ISA_CHECK};
    for (size_t elements = ${ELEMENTS_TILE*2}; elements < ${ELEMENTS_TILE*10}; elements += ${ELEMENTS_TILE}) {
      VScaleExpMinusMaxMicrokernelTester()
        .elements(elements)
        .Test(${TEST_FUNCTION});
    }
  }

  TEST(${TEST_NAME}, elements_lt_${ELEMENTS_TILE}) {
    $if ISA_CHECK:
      ${ISA_CHECK};
    for (size_t elements = 1; elements < ${ELEMENTS_TILE}; elements++) {
      VScaleExpMinusMaxMicrokernelTester()
        .elements(elements)
        .Test(${TEST_FUNCTION});
    }
  }

TEST(${TEST_NAME}, elements_gt_${ELEMENTS_TILE}) {
  $if ISA_CHECK:
    ${ISA_CHECK};
  for (size_t elements = ${ELEMENTS_TILE+1}; elements < ${10 if ELEMENTS_TILE == 1 else ELEMENTS_TILE*2}; elements++) {
    VScaleExpMinusMaxMicrokernelTester()
      .elements(elements)
      .Test(${TEST_FUNCTION});
  }
}

TEST(${TEST_NAME}, scale) {
  $if ISA_CHECK:
    ${ISA_CHECK};
  for (size_t elements = 1; elements <= ${ELEMENTS_TILE*5}; elements += ${max(1, ELEMENTS_TILE-1)}) {
    VScaleExpMinusMaxMicrokernelTester()
      .elements(elements)
      .scale(0.01f)
      .Test(${TEST_FUNCTION});
    VScaleExpMinusMaxMicrokernelTester()
      .elements(elements)
      .scale(100.0f)
      .Test(${TEST_FUNCTION});
  }
}
"""


def generate_test_cases(ukernel, elements_tile, isa):
  """Generates all tests cases for a Vector ScaleExpMinusMax micro-kernel.

  Args:
    ukernel: C name of the micro-kernel function.
    elements_tile: Number of batch elements processed per one iteration of the
                   inner loop of the micro-kernel.
    isa: instruction set required to run the micro-kernel. Generated unit test
         will skip execution if the host processor doesn't support this ISA.

  Returns:
    Code for the test case.
  """
  _, test_name = ukernel.split("_", 1)
  _, datatype, _ = ukernel.split("_", 2)
  return xngen.preprocess(RADDEXTEXP_TEST_TEMPLATE, {
      "TEST_FUNCTION": ukernel,
      "TEST_NAME": test_name.upper().replace("UKERNEL_", ""),
      "DATATYPE": datatype,
      "ELEMENTS_TILE": elements_tile,
      "ISA_CHECK": xnncommon.generate_isa_check_macro(isa),
    })


def main(args):
  options = parser.parse_args(args)

  with codecs.open(options.spec, "r", encoding="utf-8") as spec_file:
    spec_yaml = yaml.safe_load(spec_file)
    if not isinstance(spec_yaml, list):
      raise ValueError("expected a list of micro-kernels in the spec")

    tests = """\
// Copyright 2019 Google LLC
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree.
//
// Auto-generated file. Do not edit!
//   Specification: {specification}
//   Generator: {generator}


#include <gtest/gtest.h>

#include <xnnpack/common.h>
#include <xnnpack/isa-checks.h>

#include <xnnpack/vscaleexpminusmax.h>
#include "vscaleexpminusmax-microkernel-tester.h"
""".format(specification=options.spec, generator=sys.argv[0])

    for ukernel_spec in spec_yaml:
      name = ukernel_spec["name"]
      elements_tile, arch, isa = split_ukernel_name(name)

      test_case = generate_test_cases(name, elements_tile, isa)
      tests += "\n\n" + xnncommon.postprocess_test_case(test_case, arch, isa)

    txt_changed = True
    if os.path.exists(options.output):
      with codecs.open(options.output, "r", encoding="utf-8") as output_file:
        txt_changed = output_file.read() != tests

    if txt_changed:
      with codecs.open(options.output, "w", encoding="utf-8") as output_file:
        output_file.write(tests)


if __name__ == "__main__":
  main(sys.argv[1:])