238 lines
7.8 KiB
Python
Executable File
238 lines
7.8 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2023 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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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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import xngen
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import xnncommon
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parser = argparse.ArgumentParser(
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description='Reduce microkernel test generator')
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parser.add_argument("-t", "--tester", metavar="TESTER", required=True,
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choices=["ReduceMicrokernelTester", "RSumMicrokernelTester"],
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help="Tester class to be used in the generated test")
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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_(f16|f16_f32acc|f32|qs8|qu8|u8)_r(minmax|max|min|sum)(_minmax_(fp32))?_ukernel__(.+)_u(\d+)(v)?(_acc\d+)?", name)
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if match is None:
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raise ValueError("Unexpected microkernel name: " + name)
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op_type = {
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"minmax": "MinMax",
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"max": "Max",
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"min": "Min",
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"sum": "Sum",
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}[match.group(2)]
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requantization_type = match.group(4)
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batch_tile = int(match.group(6))
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vector_tile = bool(match.group(7))
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target_name = match.group(5)
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arch, isa, assembly = xnncommon.parse_target_name(target_name=target_name)
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return requantization_type, op_type, batch_tile, vector_tile, arch, isa
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REDUCE_TEST_TEMPLATE = """\
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TEST(${TEST_NAME}, batch_eq_${BATCH_TILE}${BATCH_SUFFIX}) {
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$if ISA_CHECK:
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${ISA_CHECK};
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${TESTER}()
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.batch_size(${BATCH_TILE}${BATCH_SCALE})
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.Test(${", ".join(TEST_ARGS)});
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}
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$if BATCH_TILE > 1 or BATCH_SCALE != "":
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TEST(${TEST_NAME}, batch_div_${BATCH_TILE}${BATCH_SUFFIX}) {
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$if ISA_CHECK:
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${ISA_CHECK};
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$if BATCH_SCALE == "":
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for (size_t batch_size = ${BATCH_TILE*2}; batch_size < ${BATCH_TILE*10}; batch_size += ${BATCH_TILE}) {
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${TESTER}()
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.batch_size(batch_size)
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.Test(${", ".join(TEST_ARGS)});
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}
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$else:
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for (size_t batch_size = ${BATCH_TILE*2}${BATCH_SCALE};
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batch_size < ${BATCH_TILE*10}${BATCH_SCALE};
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batch_size += ${BATCH_TILE}${BATCH_SCALE}) {
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${TESTER}()
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.batch_size(batch_size)
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.Test(${", ".join(TEST_ARGS)});
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}
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}
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TEST(${TEST_NAME}, batch_lt_${BATCH_TILE}${BATCH_SUFFIX}) {
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$if ISA_CHECK:
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${ISA_CHECK};
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$if BATCH_SCALE == "":
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for (size_t batch_size = 1; batch_size < ${BATCH_TILE}; batch_size++) {
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${TESTER}()
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.batch_size(batch_size)
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.Test(${", ".join(TEST_ARGS)});
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}
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$else:
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for (size_t batch_size = 1;
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batch_size < ${BATCH_TILE}${BATCH_SCALE};
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batch_size++) {
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${TESTER}()
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.batch_size(batch_size)
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.Test(${", ".join(TEST_ARGS)});
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}
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}
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TEST(${TEST_NAME}, batch_gt_${BATCH_TILE}${BATCH_SUFFIX}) {
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$if ISA_CHECK:
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${ISA_CHECK};
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$if BATCH_SCALE == "":
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for (size_t batch_size = ${BATCH_TILE+1}; batch_size < ${10 if BATCH_TILE == 1 else BATCH_TILE*2}; batch_size++) {
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${TESTER}()
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.batch_size(batch_size)
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.Test(${", ".join(TEST_ARGS)});
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}
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$else:
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for (size_t batch_size = ${BATCH_TILE}${BATCH_SCALE} + 1;
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batch_size < ${10 if BATCH_TILE == 1 else BATCH_TILE*2}${BATCH_SCALE};
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batch_size += ${BATCH_TILE*2}) {
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${TESTER}()
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.batch_size(batch_size)
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.Test(${", ".join(TEST_ARGS)});
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}
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}
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$if TESTER == "RSumMicrokernelTester":
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TEST(${TEST_NAME}, scale) {
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$if ISA_CHECK:
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${ISA_CHECK};
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for (float scale = 0.3f; scale < 5.0f; scale *= 3.0f) {
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${TESTER}()
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$if BATCH_SCALE == "":
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.batch_size(${BATCH_TILE+1})
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$else:
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.batch_size(${BATCH_TILE}${BATCH_SCALE} + 1)
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.scale(scale)
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.Test(${", ".join(TEST_ARGS)});
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}
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}
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TEST(${TEST_NAME}, overflow_accumulator) {
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$if ISA_CHECK:
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${ISA_CHECK};
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${TESTER}()
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.batch_size(${128 * BATCH_TILE})
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.Test(${", ".join(TEST_ARGS)});
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}
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"""
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def generate_test_cases(ukernel, op_type, init_fn, requantization_type, tester, batch_tile, vector_tile, isa):
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"""Generates all tests cases for a Vector Binary Operation micro-kernel.
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Args:
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ukernel: C name of the micro-kernel function.
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op_type: Operation type (MAX/MIN/SUM/etc).
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init_fn: C name of the function to initialize microkernel parameters.
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requantization_type: Requantization type (FP32/RNDNU).
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tester: C++ name of the tester class.
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batch_tile: Number of batch elements processed per one iteration of the
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inner loop of the micro-kernel.
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vector_tile: Indicates if batch tile is specified in vectors rather than
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elements.
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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.split("_", 2)
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test_args = [ukernel]
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if tester == "ReduceMicrokernelTester":
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test_args.append("ReduceMicrokernelTester::OpType::%s" % op_type)
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if init_fn:
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test_args.append(init_fn)
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batch_scale = ""
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if requantization_type:
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test_args.append("xnn_qs8_requantize_%s" % \
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requantization_type.lower())
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if vector_tile:
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ctype = {"u8": "uint8_t", "f16": "uint16_t", "f32": "float"}[datatype]
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batch_scale = {
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"rvv": " * xnn_init_hardware_config()->vlenb / sizeof(%s)" % ctype,
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"rvvfp16arith": " * xnn_init_hardware_config()->vlenb / sizeof(%s)" % ctype,
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}[isa]
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return xngen.preprocess(REDUCE_TEST_TEMPLATE, {
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"TEST_NAME": test_name.upper().replace("UKERNEL_", ""),
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"TEST_ARGS": test_args,
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"TESTER": tester,
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"DATATYPE": datatype.upper(),
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"BATCH_TILE": batch_tile,
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"BATCH_SCALE": batch_scale,
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"BATCH_SUFFIX": "v" if vector_tile else "",
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"OP_TYPE": op_type,
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"ISA_CHECK": xnncommon.generate_isa_check_macro(isa),
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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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spec_name = os.path.splitext(os.path.split(options.spec)[1])[0]
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tester_header = {
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"ReduceMicrokernelTester": "reduce-microkernel-tester.h",
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"RSumMicrokernelTester": "rsum-microkernel-tester.h",
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}[options.tester]
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tests = """\
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// Copyright 2023 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/microparams-init.h"
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#include "xnnpack/reduce.h"
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#include "{tester_header}"
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""".format(specification=options.spec, generator=sys.argv[0],
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tester_header=tester_header)
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for ukernel_spec in spec_yaml:
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name = ukernel_spec["name"]
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init_fn = ukernel_spec.get("init")
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requantization_type, op_type, batch_tile, vector_tile, arch, isa = split_ukernel_name(name)
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test_case = generate_test_cases(name, op_type, init_fn, requantization_type,
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options.tester, batch_tile, vector_tile, isa)
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tests += "\n\n" + xnncommon.postprocess_test_case(test_case, arch, isa)
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xnncommon.overwrite_if_changed(options.output, tests)
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if __name__ == "__main__":
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main(sys.argv[1:])
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