-/* -*- mode: c; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; c-file-style: "stroustrup"; -*-
+/*
+ * This file is part of the GROMACS molecular simulation package.
*
+ * Copyright (c) 2012,2013,2014, by the GROMACS development team, led by
+ * Mark Abraham, David van der Spoel, Berk Hess, and Erik Lindahl,
+ * and including many others, as listed in the AUTHORS file in the
+ * top-level source directory and at http://www.gromacs.org.
*
- * This file is part of GROMACS.
- * Copyright (c) 2012-
- *
- * Written by the Gromacs development team under coordination of
- * David van der Spoel, Berk Hess, and Erik Lindahl.
- *
- * This library is free software; you can redistribute it and/or
+ * GROMACS is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2
+ * as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
- * To help us fund GROMACS development, we humbly ask that you cite
- * the research papers on the package. Check out http://www.gromacs.org
+ * GROMACS is distributed in the hope that it will be useful,
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * And Hey:
- * Gnomes, ROck Monsters And Chili Sauce
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+ * the research papers on the package. Check out http://www.gromacs.org.
*/
#ifndef GMX_CPUID_H_
#define GMX_CPUID_H_
GMX_CPUID_VENDOR_AMD,
GMX_CPUID_VENDOR_FUJITSU,
GMX_CPUID_VENDOR_IBM,
+ GMX_CPUID_VENDOR_ARM,
GMX_CPUID_NVENDORS
};
GMX_CPUID_FEATURE_X86_TDT, /* TSC deadline timer */
GMX_CPUID_FEATURE_X86_X2APIC, /* Extended xAPIC Support */
GMX_CPUID_FEATURE_X86_XOP, /* AMD extended instructions, only AMD for now */
+ GMX_CPUID_FEATURE_ARM_NEON, /* 32-bit ARM NEON */
+ GMX_CPUID_FEATURE_ARM_NEON_ASIMD, /* 64-bit ARM AArch64 Advanced SIMD */
+ GMX_CPUID_FEATURE_IBM_QPX, /* IBM QPX SIMD (BlueGene/Q and later) */
+ GMX_CPUID_FEATURE_IBM_VMX, /* IBM VMX SIMD (Altivec on Power6 and later) */
+ GMX_CPUID_FEATURE_IBM_VSX, /* IBM VSX SIMD (Power7 and later) */
GMX_CPUID_NFEATURES
};
-/* Currently supported acceleration instruction sets, intrinsics or other similar combinations
+/* Currently supported SIMD instruction sets, intrinsics or other similar combinations
* in Gromacs. There is not always a 1-to-1 correspondence with feature flags; on some AMD
* hardware we prefer to use 128bit AVX instructions (although 256-bit ones could be executed),
* and we still haven't written the AVX2 kernels.
*/
-enum gmx_cpuid_acceleration
+enum gmx_cpuid_simd
{
- GMX_CPUID_ACCELERATION_CANNOTDETECT, /* Should only be used if something fails */
- GMX_CPUID_ACCELERATION_NONE,
- GMX_CPUID_ACCELERATION_X86_SSE2,
- GMX_CPUID_ACCELERATION_X86_SSE4_1,
- GMX_CPUID_ACCELERATION_X86_AVX_128_FMA,
- GMX_CPUID_ACCELERATION_X86_AVX_256,
- GMX_CPUID_ACCELERATION_SPARC64_HPC_ACE,
- GMX_CPUID_ACCELERATION_IBM_QPX,
- GMX_CPUID_NACCELERATIONS
+ GMX_CPUID_SIMD_CANNOTDETECT, /* Should only be used if something fails */
+ GMX_CPUID_SIMD_NONE,
+ GMX_CPUID_SIMD_REFERENCE,
+ GMX_CPUID_SIMD_X86_SSE2,
+ GMX_CPUID_SIMD_X86_SSE4_1,
+ GMX_CPUID_SIMD_X86_AVX_128_FMA,
+ GMX_CPUID_SIMD_X86_AVX_256,
+ GMX_CPUID_SIMD_X86_AVX2_256,
+ GMX_CPUID_SIMD_SPARC64_HPC_ACE,
+ GMX_CPUID_SIMD_IBM_QPX,
+ GMX_CPUID_SIMD_IBM_VMX,
+ GMX_CPUID_SIMD_IBM_VSX,
+ GMX_CPUID_SIMD_ARM_NEON,
+ GMX_CPUID_SIMD_ARM_NEON_ASIMD,
+ GMX_CPUID_NSIMD
};
/* Text strings corresponding to CPU vendors */
extern const char *
gmx_cpuid_feature_string[GMX_CPUID_NFEATURES];
-/* Text strings for Gromacs acceleration/instruction sets */
+/* Text strings for Gromacs SIMD instruction sets */
extern const char *
-gmx_cpuid_acceleration_string[GMX_CPUID_NACCELERATIONS];
+gmx_cpuid_simd_string[GMX_CPUID_NSIMD];
/* Abstract data type with CPU detection information. Set by gmx_cpuid_init(). */
int n);
-/* Suggests a suitable gromacs acceleration based on the support in the
+/* Suggests a suitable gromacs SIMD based on the support in the
* hardware.
*/
-enum gmx_cpuid_acceleration
-gmx_cpuid_acceleration_suggest (gmx_cpuid_t cpuid);
+enum gmx_cpuid_simd
+gmx_cpuid_simd_suggest (gmx_cpuid_t cpuid);
-/* Check if this binary was compiled with the same acceleration as we
+/* Check if this binary was compiled with the same SIMD instructions as we
* would suggest for the current hardware. Always print stats to the log file
- * if it is non-NULL, and print a warning in stdout if we don't have a match.
+ * if it is non-NULL, and if we don't have a match, print a warning in log
+ * (if non-NULL) and if print_to_stderr!=0 also to stderr.
*/
int
-gmx_cpuid_acceleration_check (gmx_cpuid_t cpuid,
- FILE * log);
+gmx_cpuid_simd_check (gmx_cpuid_t cpuid,
+ FILE * log,
+ int print_to_stderr);
/* Release resources used by data structure. Note that the pointer to the