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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
#pragma once
#include <cstdint>
namespace arrow {
namespace ipc {
// Buffers are padded to 64-byte boundaries (for SIMD)
static constexpr int32_t kArrowAlignment = 64;
// Tensors are padded to 64-byte boundaries
static constexpr int32_t kTensorAlignment = 64;
// Align on 8-byte boundaries in IPC
static constexpr int32_t kArrowIpcAlignment = 8;
static constexpr uint8_t kPaddingBytes[kArrowAlignment] = {0};
static inline int64_t PaddedLength(int64_t nbytes, int32_t alignment = kArrowAlignment) {
return ((nbytes + alignment - 1) / alignment) * alignment;
}
} // namespace ipc
} // namespace arrow
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