Additional variants of Softmax microkernels
PiperOrigin-RevId: 284483874
diff --git a/tools/generate-raddexpminusmax-test.py b/tools/generate-raddexpminusmax-test.py
new file mode 100755
index 0000000..46982ed
--- /dev/null
+++ b/tools/generate-raddexpminusmax-test.py
@@ -0,0 +1,148 @@
+#!/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.match(r"^xnn_(f16|f32)_raddexpminusmax_ukernel__(.+)_x(\d+)(_acc(\d+))?$", name)
+ if match is None:
+ raise ValueError("Unexpected microkernel name: " + name)
+ elements_tile = int(match.group(3))
+
+ arch, isa = xnncommon.parse_target_name(target_name=match.group(2))
+ return elements_tile, arch, isa
+
+
+RADDEXPMINUSMAX_TEST_TEMPLATE = """\
+TEST(${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)
+
+ # specification can override architecture
+ arch = ukernel_spec.get("arch", arch)
+
+ test_case = generate_test_cases(name, elements_tile, isa)
+ tests += "\n\n" + xnncommon.postprocess_test_case(test_case, arch, isa)
+
+ with codecs.open(options.output, "w", encoding="utf-8") as output_file:
+ output_file.write(tests)
+
+
+if __name__ == "__main__":
+ main(sys.argv[1:])