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85 lines
3 KiB
C
85 lines
3 KiB
C
//***************************************************************************************
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// Put data into communication buffer.
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//***************************************************************************************
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//
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// Author: Rob F. Van der Wijngaart
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// Intel Corporation
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// Date: 008/30/2010
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//
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//***************************************************************************************
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//
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// Copyright 2010 Intel Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// [2010-11-03] switched to SCC-optimized memcpy() functions in scc_memcpy.h:
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// - memcpy_to_mpb()
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// - memcpy_from_mpb()
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// by Stefan Lankes, Carsten Clauss, Chair for Operating Systems,
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// RWTH Aachen University
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//
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#include "iRCCE_lib.h"
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#ifdef __hermit__
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#include "rte_memcpy.h"
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#define memcpy_to_mpb rte_memcpy
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#elif defined COPPERRIDGE || defined SCC
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#include "scc_memcpy.h"
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#else
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#define memcpy_to_mpb memcpy
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#endif
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void* iRCCE_memcpy_put(void *dest, const void *src, size_t count)
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{
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#if defined COPPERRIDGE || defined SCC
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return memcpy_to_mpb(dest, src, count);
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#else
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return memcpy(dest, src, count);
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#endif
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}
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//--------------------------------------------------------------------------------------
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// FUNCTION: iRCCE_put
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//--------------------------------------------------------------------------------------
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// copy data from address "source" in the local MPB or the calling UE's private memory
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// to address "target" in the remote MPB. We do not test to see if a move from the
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// calling UE's private memory stays within allocated memory
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//--------------------------------------------------------------------------------------
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int iRCCE_put(
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t_vcharp target, // target buffer, MPB
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t_vcharp source, // source buffer, MPB or private memory
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int num_bytes,
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int ID
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) {
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// in non-GORY mode we only need to retain the MPB target shift; we
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// already know the target is in the MPB, not private memory
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target = RCCE_comm_buffer[ID]+(target-RCCE_comm_buffer[RCCE_IAM]);
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// make sure that any data that has been put in our MPB by another UE is visible
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#ifdef _OPENMP
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#pragma omp flush
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#endif
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// do the actual copy
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RC_cache_invalidate();
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iRCCE_memcpy_put((void *)target, (void *)source, num_bytes);
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// flush data to make it visible to all threads; cannot use flush list because it
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// concerns malloced space
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#ifdef _OPENMP
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#pragma omp flush
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#endif
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return(iRCCE_SUCCESS);
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}
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