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#!/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='RAddExpMinusMax 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)_raddexpminusmax_ukernel__(.+)_x(\d+)(_acc(\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
RADDEXPMINUSMAX_TEST_TEMPLATE = """\
TEST(${TEST_NAME}, elements_eq_${ELEMENTS_TILE}) {
$if ISA_CHECK:
${ISA_CHECK};
RAddExpMinusMaxMicrokernelTester()
.elements(${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 += ${ELEMENTS_TILE}) {
RAddExpMinusMaxMicrokernelTester()
.elements(elements)
.Test(${TEST_FUNCTION});
}
}
TEST(${TEST_NAME}, elements_lt_${ELEMENTS_TILE}) {
$if ISA_CHECK:
${ISA_CHECK};
for (size_t elements = 1; elements < ${ELEMENTS_TILE}; elements++) {
RAddExpMinusMaxMicrokernelTester()
.elements(elements)
.Test(${TEST_FUNCTION});
}
}
TEST(${TEST_NAME}, elements_gt_${ELEMENTS_TILE}) {
$if ISA_CHECK:
${ISA_CHECK};
for (size_t elements = ${ELEMENTS_TILE+1}; elements < ${10 if ELEMENTS_TILE == 1 else ELEMENTS_TILE*2}; elements++) {
RAddExpMinusMaxMicrokernelTester()
.elements(elements)
.Test(${TEST_FUNCTION});
}
}
"""
def generate_test_cases(ukernel, elements_tile, isa):
"""Generates all tests cases for a RAddExpMinusMax 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(RADDEXPMINUSMAX_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/raddexpminusmax.h>
#include "raddexpminusmax-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:])
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