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ed5010d65b
Standardize format of AMD copyright notice. AMD-Internal: [CPUPL-3519] Change-Id: I98530e58138765e5cd5bc0c97500506801eb0bf0
92 lines
3.1 KiB
C
92 lines
3.1 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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Copyright (C) 2018 - 2023, Advanced Micro Devices, Inc. All rights reserved.
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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(s) of the copyright holder(s) nor the names of its
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contributors may be used to endorse or promote products derived
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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_THRCOMM_OPENMP_H
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#define BLIS_THRCOMM_OPENMP_H
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// Define thrcomm_t for situations when OpenMP multithreading is enabled.
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#ifdef BLIS_ENABLE_OPENMP
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#include <omp.h>
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// Define thrcomm_t for tree barriers and non-tree barriers.
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#ifdef BLIS_TREE_BARRIER
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struct barrier_s
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{
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int arity;
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int count;
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struct barrier_s* dad;
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volatile int signal;
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};
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typedef struct barrier_s barrier_t;
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struct thrcomm_s
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{
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void* sent_object;
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dim_t n_threads;
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barrier_t** barriers;
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};
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#else
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struct thrcomm_s
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{
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void* sent_object;
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dim_t n_threads;
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// NOTE: barrier_sense was originally a gint_t-based bool_t, but upon
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// redefining bool_t as bool we discovered that some gcc __atomic built-ins
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// don't allow the use of bool for the variables being operated upon.
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// (Specifically, this was observed of __atomic_fetch_xor(), but it likely
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// applies to all other related built-ins.) Thus, we get around this by
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// redefining barrier_sense as a gint_t.
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//volatile gint_t barrier_sense;
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gint_t barrier_sense;
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dim_t barrier_threads_arrived;
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};
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#endif
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typedef struct thrcomm_s thrcomm_t;
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// Prototypes specific to tree barriers.
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#ifdef BLIS_TREE_BARRIER
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barrier_t* bli_thrcomm_tree_barrier_create( int num_threads, int arity, barrier_t** leaves, int leaf_index );
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void bli_thrcomm_tree_barrier_free( barrier_t* barrier );
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void bli_thrcomm_tree_barrier( barrier_t* barack );
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#endif
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#endif
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#endif
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