4269eae463
Previous improvements made scalar method the fastest one for tiny bunch of packets (< 4). That allows us to remove specific vector code-path for small number of packets (search_sse_2) and always use scalar method for such cases. Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com> Acked-by: Neil Horman <nhorman@tuxdriver.com>
55 lines
2.3 KiB
C
55 lines
2.3 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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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
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* are met:
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*
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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
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation 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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*
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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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* OWNER 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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#include "acl_run_avx2.h"
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/*
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* Note, that to be able to use AVX2 classify method,
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* both compiler and target cpu have to support AVX2 instructions.
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*/
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int
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rte_acl_classify_avx2(const struct rte_acl_ctx *ctx, const uint8_t **data,
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uint32_t *results, uint32_t num, uint32_t categories)
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{
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if (likely(num >= MAX_SEARCHES_AVX16))
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return search_avx2x16(ctx, data, results, num, categories);
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else if (num >= MAX_SEARCHES_SSE8)
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return search_sse_8(ctx, data, results, num, categories);
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else if (num >= MAX_SEARCHES_SSE4)
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return search_sse_4(ctx, data, results, num, categories);
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else
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return rte_acl_classify_scalar(ctx, data, results, num,
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categories);
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}
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