/*
* Copyright ( C ) 2017 The Android Open Source Project
*
* 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 <gtest/gtest.h>
#include <util.h>
TEST(benchmark, memory_align) {
std::vector<char > buf(100 );
for (size_t alignment = 1 ; alignment <= 32 ; alignment *= 2 ) {
for (size_t or_mask = 0 ; or_mask < alignment; ++or_mask) {
uintptr_t aligned_ptr = reinterpret_cast <uintptr_t>(GetAlignedMemory(buf.data(), alignment,
or_mask));
ASSERT_EQ(aligned_ptr % alignment, or_mask);
ASSERT_EQ(aligned_ptr & alignment, alignment);
}
}
}
TEST(benchmark, ptr_align) {
std::vector<char > buf;
for (size_t alignment = 1 ; alignment <= 2048 ; alignment *= 2 ) {
uintptr_t aligned_ptr = reinterpret_cast <uintptr_t>(GetAlignedPtr(&buf, alignment, 100 ));
ASSERT_EQ(aligned_ptr & alignment, alignment);
ASSERT_EQ(aligned_ptr & (alignment - 1 ), 0 u);
}
}
Messung V0.5 in Prozent C=92 H=93 G=92
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-28)
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