1 // Copyright 2015 The Gemmlowp Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "test.h" 16 #include "../internal/allocator.h" 17 18 namespace gemmlowp { 19 20 void test_allocator(Allocator* a, int max_array_size) { 21 const std::size_t int32_array_size = Random() % max_array_size; 22 auto handle_to_int32_array = a->Reserve<std::int32_t>(int32_array_size); 23 const std::size_t int8_array_size = Random() % max_array_size; 24 auto handle_to_int8_array = a->Reserve<std::int8_t>(int8_array_size); 25 a->Commit(); 26 std::int32_t* int32_array = 27 a->GetPointer<std::int32_t>(handle_to_int32_array); 28 std::int8_t* int8_array = a->GetPointer<std::int8_t>(handle_to_int8_array); 29 Check(int32_array == a->GetPointer<std::int32_t>(handle_to_int32_array)); 30 Check(int8_array == a->GetPointer<std::int8_t>(handle_to_int8_array)); 31 Check( 32 !(reinterpret_cast<std::uintptr_t>(int32_array) % Allocator::kAlignment)); 33 Check( 34 !(reinterpret_cast<std::uintptr_t>(int8_array) % Allocator::kAlignment)); 35 Check(reinterpret_cast<std::uintptr_t>(int8_array) >= 36 reinterpret_cast<std::uintptr_t>(int32_array + int32_array_size)); 37 memset(int32_array, 0, sizeof(*int32_array) * int32_array_size); 38 memset(int8_array, 0, sizeof(*int8_array) * int8_array_size); 39 a->Decommit(); 40 } 41 42 void test_allocator() { 43 Allocator allocator; 44 45 // Test allocating increasingly large sizes on the same allocator, 46 // starting with size 0. 47 for (int i = 1; i < 1000; i += 10) { 48 test_allocator(&allocator, i); 49 } 50 } 51 52 } // namespace gemmlowp 53 54 int main() { gemmlowp::test_allocator(); } 55
