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// Copyright 2015 The Gemmlowp Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "../internal/allocator.h"
#include "test.h"
namespace gemmlowp {
void test_allocator(Allocator* a, int max_array_size) {
const std::size_t int32_array_size = Random() % max_array_size;
auto handle_to_int32_array = a->Reserve<std::int32_t>(int32_array_size);
const std::size_t int8_array_size = Random() % max_array_size;
auto handle_to_int8_array = a->Reserve<std::int8_t>(int8_array_size);
a->Commit();
std::int32_t* int32_array =
a->GetPointer<std::int32_t>(handle_to_int32_array);
std::int8_t* int8_array = a->GetPointer<std::int8_t>(handle_to_int8_array);
Check(int32_array == a->GetPointer<std::int32_t>(handle_to_int32_array));
Check(int8_array == a->GetPointer<std::int8_t>(handle_to_int8_array));
Check(
!(reinterpret_cast<std::uintptr_t>(int32_array) % Allocator::kAlignment));
Check(
!(reinterpret_cast<std::uintptr_t>(int8_array) % Allocator::kAlignment));
Check(reinterpret_cast<std::uintptr_t>(int8_array) >=
reinterpret_cast<std::uintptr_t>(int32_array + int32_array_size));
memset(int32_array, 0, sizeof(*int32_array) * int32_array_size);
memset(int8_array, 0, sizeof(*int8_array) * int8_array_size);
a->Decommit();
}
void test_allocator() {
Allocator allocator;
// Test allocating increasingly large sizes on the same allocator,
// starting with size 0.
for (int i = 1; i < 1000; i += 10) {
test_allocator(&allocator, i);
}
}
} // namespace gemmlowp
int main() { gemmlowp::test_allocator(); }
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