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Details: - Added support for libmemkind to configure. configure attempts to detect the presence of libmemkind by compiling a small program containing #include <hbwmalloc.h> and a call to hbw_malloc(). If successful, it is assumed that libmemkind is present and available. If present, use of libmemkind is enabled by default, and otherwise use is disabled by default. If libmemkind is present, the user may explicitly disable use of the library by running configure with the --without-memkind option. Furthermore, a configuration may disable libmemkind, perhaps conditional on some aspect of the build system, by including -DBLIS_DISABLE_MEMKIND in the configuration's CPPROCFLAGS make variable and setting the BLIS_ENABLE_MEMKIND makefile variable, set in config.mk, to 'no'. (The knl configuration makes use of this latter feature; see below.) - If enabled at configure-time, bli_system.h will #include <hbwmalloc.h> and bli_kernel_macro_defs.h will define BLIS_MALLOC_POOL and BLIS_FREE_POOL to use hbw_malloc() and hbw_free(), respectively. - Deprecated explicit use of BLIS_NO_HBWMALLOC in config/knl/bli_family.knl.h and replaced use of -DBLIS_NO_HBWMALLOC in config/knl/make_defs.mk with -DBLIS_DISABLE_MEMKIND, which overrides (#undefs) the definition of BLIS_ENABLE_MEMKIND in bli_system.h, if it would otherwise be defined. Also, set the BLIS_ENABLE_MEMKIND makefile variable to 'no'. - common.mk now adds libmemkind to LDFLAGS if libmemkind is enabled.
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/*
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BLIS
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An object-based framework for developing high-performance BLAS-like
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libraries.
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Copyright (C) 2014, The University of Texas at Austin
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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- Neither the name of The University of Texas at Austin nor the names
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of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef BLIS_SYSTEM_H
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#define BLIS_SYSTEM_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <string.h>
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#include <stdarg.h>
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#include <float.h>
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#include <errno.h>
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// Determine if we are on a 64-bit or 32-bit architecture
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#if defined(_M_X64) || defined(__x86_64) || defined(__aarch64__) || \
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defined(_ARCH_PPC64)
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#define BLIS_ARCH_64
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#else
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#define BLIS_ARCH_32
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#endif
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// Determine the target operating system
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#if defined(_WIN32) || defined(__CYGWIN__)
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#define BLIS_OS_WINDOWS 1
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#elif defined(__APPLE__) || defined(__MACH__)
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#define BLIS_OS_OSX 1
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#elif defined(__ANDROID__)
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#define BLIS_OS_ANDROID 1
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#elif defined(__linux__)
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#define BLIS_OS_LINUX 1
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#elif defined(__bgq__)
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#define BLIS_OS_BGQ 1
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#elif defined(__bg__)
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#define BLIS_OS_BGP 1
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#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \
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defined(__bsdi__) || defined(__DragonFly__)
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#define BLIS_OS_BSD 1
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#elif defined(EMSCRIPTEN)
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#define BLIS_OS_EMSCRIPTEN
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#else
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#error "Cannot determine operating system"
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#endif
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// A few changes that may be necessary in Windows environments.
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#if BLIS_OS_WINDOWS
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// Include Windows header file.
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#define WIN32_LEAN_AND_MEAN
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#define VC_EXTRALEAN
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#include <windows.h>
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// Undefine attribute specifiers in Windows.
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#define __attribute__(x)
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// Undefine restrict.
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#define restrict
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#endif
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// time.h provides clock_gettime().
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#if BLIS_OS_WINDOWS
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#include <time.h>
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#elif BLIS_OS_OSX
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#include <mach/mach_time.h>
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#else
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#include <sys/time.h>
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#include <time.h>
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#endif
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// hbwmalloc.h provides hbw_malloc() and hbw_free() on systems with
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// libmemkind. But disable use of libmemkind if BLIS_DISABLE_MEMKIND
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// was explicitly defined.
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#ifdef BLIS_DISABLE_MEMKIND
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#undef BLIS_ENABLE_MEMKIND
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#endif
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#ifdef BLIS_ENABLE_MEMKIND
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#include <hbwmalloc.h>
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#endif
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#endif
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