golden hour

/usr/include/c++/11/experimental

File/Folder	Size	Actions
algorithm	3.6 KB
any	15.64 KB
array	3.29 KB
bits	-
buffer	28.05 KB
chrono	1.91 KB
deque	2.24 KB
executor	54.7 KB
filesystem	1.55 KB
forward_list	2.31 KB
functional	12 KB
internet	64.77 KB
io_context	22 KB
iterator	3.45 KB
list	2.21 KB
map	2.53 KB
memory	5.91 KB
memory_resource	17.12 KB
net	1.51 KB
netfwd	3.66 KB
numeric	3.4 KB
optional	25.99 KB
propagate_const	15.13 KB
random	2.51 KB
ratio	2.38 KB
regex	2.07 KB
set	2.41 KB
simd	2.75 KB
socket	76.34 KB
source_location	2.71 KB
string	2.85 KB
string_view	21.99 KB
system_error	2 KB
timer	5.66 KB
tuple	2.41 KB
type_traits	11.78 KB
unordered_map	2.78 KB
unordered_set	2.66 KB
utility	1.69 KB
vector	2.3 KB

Edit: simd

// Components for element-wise operations on data-parallel objects -*- C++ -*-

// Copyright (C) 2020-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file experimental/simd
 *  This is a TS C++ Library header.
 */

//
// N4773 §9 data-parallel types library
//

#ifndef _GLIBCXX_EXPERIMENTAL_SIMD
#define _GLIBCXX_EXPERIMENTAL_SIMD

#if __cplusplus >= 201703L

/** @defgroup par-ts Parallelism TS
 *  @ingroup experimental
 *
 * Components defined by the _C++ Extensions for Parallelism_
 * Technical Specification.
 *
 * - ISO/IEC TS 19570:2015 C++ Extensions for Parallelism
 * - ISO/IEC TS 19570:2018 C++ Extensions for Parallelism, Version 2
 */

/** @defgroup ts_simd Data parallel extensions
 *  @ingroup par-ts
 *
 *  Data-parallel types library.
 *  @since C++17
 */
/// @ingroup ts_simd
#define __cpp_lib_experimental_parallel_simd 201803

#pragma GCC diagnostic push
// Many [[gnu::vector_size(N)]] types might lead to a -Wpsabi warning which is
// irrelevant as those functions never appear on ABI borders
#ifndef __clang__
#pragma GCC diagnostic ignored "-Wpsabi"
#endif

// If __OPTIMIZE__ is not defined some intrinsics are defined as macros, making
// use of C casts internally. This requires us to disable the warning as it
// would otherwise yield many false positives.
#ifndef __OPTIMIZE__
#pragma GCC diagnostic ignored "-Wold-style-cast"
#endif

#include "bits/simd_detail.h"
#include "bits/simd.h"
#include "bits/simd_fixed_size.h"
#include "bits/simd_scalar.h"
#include "bits/simd_builtin.h"
#include "bits/simd_converter.h"
#if _GLIBCXX_SIMD_X86INTRIN
#include "bits/simd_x86.h"
#elif _GLIBCXX_SIMD_HAVE_NEON
#include "bits/simd_neon.h"
#elif __ALTIVEC__
#include "bits/simd_ppc.h"
#endif
#include "bits/simd_math.h"

#pragma GCC diagnostic pop

#endif // C++17
#endif // _GLIBCXX_EXPERIMENTAL_SIMD
// vim: ft=cpp