config.hpp

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/*******************************************************************************
 * thrill/common/config.hpp
 *
 * Global configuration flags.
 *
 * Part of Project Thrill - http://project-thrill.org
 *
 * Copyright (C) 2015 Timo Bingmann <[email protected]>
 *
 * All rights reserved. Published under the BSD-2 license in the LICENSE file.
 ******************************************************************************/

#pragma once
#ifndef THRILL_COMMON_CONFIG_HEADER
#define THRILL_COMMON_CONFIG_HEADER

namespace thrill {
namespace common {

//! global ndebug flag as a boolean, NDEBUG means no debug in Release mode.
#if NDEBUG
static constexpr bool g_ndebug = true;
#else
static constexpr bool g_ndebug = false;
#endif

//! debug mode is active, if NDEBUG is false.
static constexpr bool g_debug_mode = !g_ndebug;

//! global flag to enable code parts doing self-verification. Later this may be
//! set false if NDEBUG is set in production mode.
static constexpr bool g_self_verify = g_debug_mode;

//! global flag to enable background profiler thread
static constexpr bool g_profile_thread = true;

//! Finding cache line size is hard - we assume 64 byte.
static constexpr unsigned g_cache_line_size = 64;

//! global flag to warn user when two DIANodes could push data directly via a
//! File (skipping one data round trip) if the function stack were empty. This
//! can be used to find lambda which could be be fused to reduce the number of
//! data round trips.
static constexpr bool g_debug_push_file = false;

#if !defined(_MSC_VER)
#define THRILL_HAVE_NET_TCP 1
#endif

#if __linux__
#define THRILL_HAVE_LINUXAIO_FILE 1
#endif

#if defined(_MSC_VER)
#define THRILL_WINDOWS 1
#define THRILL_MSVC 1
#endif

#ifndef THRILL_WINDOWS
#define THRILL_HAVE_MMAP_FILE 1
#endif

// MSVC doesn't define __SSE4_1__, so also check for __AVX__ // NOLINT
#if defined(__SSE4_1__) || defined(__AVX__)
#define THRILL_HAVE_SSE4_1
#endif

// MSVC doesn't define __SSE4_2__, so also check for __AVX__ // NOLINT
#if defined(__SSE4_2__) || defined(__AVX__)
#define THRILL_HAVE_SSE4_2
#endif

#if defined(__AVX2__)
#define THRILL_HAVE_AVX2
#endif

} // namespace common
} // namespace thrill

#endif // !THRILL_COMMON_CONFIG_HEADER

/******************************************************************************/