From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 80551A04B5; Thu, 29 Oct 2020 08:59:30 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 60FBDAD6F; Thu, 29 Oct 2020 08:59:29 +0100 (CET) Received: from mail-pl1-f194.google.com (mail-pl1-f194.google.com [209.85.214.194]) by dpdk.org (Postfix) with ESMTP id 224F5AD6F for ; Thu, 29 Oct 2020 08:59:28 +0100 (CET) Received: by mail-pl1-f194.google.com with SMTP id b12so925127plr.4 for ; Thu, 29 Oct 2020 00:59:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vvdntech-in.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=JgG4QGD7MsF4J19doZqFTGlIegx/RV288KbSXnta7W4=; b=gK5sK75ru7dKYhsUr1rIrpS+DHoJitbLvx8qNqOT7R+HnUYp5aoerhFkRRJkBw4Hx/ ki8jBi5aPcEc5o126SrlRzSw4AsYc6SWdmyDmcHH/6omkxVglRR5GPSqDc6Mem1q6o8C da2pYJCg0xcYnNSr8ISbJfPcs/duFyT0m0Nq3KsUeUi7/Jy+u8wM5DUFm5nwqMOcsolB bN8EYWvIMJupewuQNetb4FUe1+P/iI2CjKUaJwwSA7OfkULOP49ZE3t+YC+2gW21YoJC gqjpuYWCZ4ISylLsZGl6vWJt4nuNfW3StdNOUCvD0RCsMllcki1AJBoOMkgoNUto/vmG Zl9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=JgG4QGD7MsF4J19doZqFTGlIegx/RV288KbSXnta7W4=; b=BZympV0ousGdt4XDYpl+GcZwQlEju+lxCfv/DlWSDP3/szye7DPdrtetUfGsyMs+xh f2KDdvSfhwRajM+oUReZzXR/BYyqS63efZQN68Ym6eR4TvHCUNRdeJL20EVcTqrXRgIj SuchPWlvS8SM2adBEoz2/q6OgT0ucp9nXFfzMCf363Akun/Mdzq2xun6Bz4/IK6BfxXZ 3o2M0xHLjvCjIntX0Ssf7AqgFYvIPBQZ5l6LxJgeUBEiStX37ef6gjqrt5COkimZDKpt hhq4VuY2mb0G/DlFH7xMnEL/NXl6WvmfIfux6cjr49gQrMeOMgnD/5Q0HP74J0yp4M8n Tsgw== X-Gm-Message-State: AOAM533BTV3UzTlBoJP9H9mq5Psr8D5uQEZHqpX6Pd0xHsznP1EZpD+1 Xy/3MKgyXPsu2v/VETD4xwXinxb637omWTb/ X-Google-Smtp-Source: ABdhPJzGN0Q9GaEaHsuf0Mg5guUj2KHOorAPqarzqkR2FVwx74EfNOk/UMGNHjP9bdFnEFay1ooBXw== X-Received: by 2002:a17:902:ee09:b029:d5:288d:fce4 with SMTP id z9-20020a170902ee09b02900d5288dfce4mr2847900plb.45.1603958365790; Thu, 29 Oct 2020 00:59:25 -0700 (PDT) Received: from n.vvdntech.com ([103.214.233.63]) by smtp.gmail.com with ESMTPSA id b2sm151990pgg.2.2020.10.29.00.59.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Oct 2020 00:59:25 -0700 (PDT) From: Aman Kumar To: dev@dpdk.org Cc: rasland@nvidia.com, keesang.song@amd.com, aman.kumar@vvdntech.in, asafp@nvidia.com, shys@nvidia.com, viacheslavo@nvidia.com, akozyrev@nvidia.com, matan@nvidia.com Date: Thu, 29 Oct 2020 13:29:13 +0530 Message-Id: <20201029075914.114543-1-aman.kumar@vvdntech.in> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201010090034.1797958-1-aman.kumar@vvdntech.in> References: <20201010090034.1797958-1-aman.kumar@vvdntech.in> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v4 1/2] net/mlx5: optimize mprq memcpy X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" add non temporal load and temporal store for mprq memcpy. define RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY in build configuration to enable this optimization. Signed-off-by: Aman Kumar --- drivers/net/mlx5/meson.build | 1 + drivers/net/mlx5/mlx5.c | 12 ++++ drivers/net/mlx5/mlx5.h | 3 + drivers/net/mlx5/mlx5_rxq.c | 3 + drivers/net/mlx5/mlx5_rxtx.c | 116 ++++++++++++++++++++++++++++++++++- drivers/net/mlx5/mlx5_rxtx.h | 3 + meson_options.txt | 2 + 7 files changed, 138 insertions(+), 2 deletions(-) diff --git a/drivers/net/mlx5/meson.build b/drivers/net/mlx5/meson.build index 9a97bb9c8..38e93fdc1 100644 --- a/drivers/net/mlx5/meson.build +++ b/drivers/net/mlx5/meson.build @@ -47,6 +47,7 @@ foreach option:cflags_options cflags += option endif endforeach +dpdk_conf.set('RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY', get_option('mlx5_ntload_tstore')) if get_option('buildtype').contains('debug') cflags += [ '-pedantic', '-DPEDANTIC' ] else diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c index 77aeac85c..a0913e161 100644 --- a/drivers/net/mlx5/mlx5.c +++ b/drivers/net/mlx5/mlx5.c @@ -160,6 +160,11 @@ /* Configure timeout of LRO session (in microseconds). */ #define MLX5_LRO_TIMEOUT_USEC "lro_timeout_usec" +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY +/* mprq_tstore_memcpy */ +#define MLX5_MPRQ_TSTORE_MEMCPY "mprq_tstore_memcpy" +#endif + /* * Device parameter to configure the total data buffer size for a single * hairpin queue (logarithm value). @@ -1655,6 +1660,10 @@ mlx5_args_check(const char *key, const char *val, void *opaque) config->sys_mem_en = !!tmp; } else if (strcmp(MLX5_DECAP_EN, key) == 0) { config->decap_en = !!tmp; +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY + } else if (strcmp(MLX5_MPRQ_TSTORE_MEMCPY, key) == 0) { + config->mprq_tstore_memcpy = tmp; +#endif } else { DRV_LOG(WARNING, "%s: unknown parameter", key); rte_errno = EINVAL; @@ -1715,6 +1724,9 @@ mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs) MLX5_RECLAIM_MEM, MLX5_SYS_MEM_EN, MLX5_DECAP_EN, +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY + MLX5_MPRQ_TSTORE_MEMCPY, +#endif NULL, }; struct rte_kvargs *kvlist; diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h index 1408cf94d..42934f6ca 100644 --- a/drivers/net/mlx5/mlx5.h +++ b/drivers/net/mlx5/mlx5.h @@ -236,6 +236,9 @@ struct mlx5_dev_config { int tx_skew; /* Tx scheduling skew between WQE and data on wire. */ struct mlx5_hca_attr hca_attr; /* HCA attributes. */ struct mlx5_lro_config lro; /* LRO configuration. */ +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY + unsigned int mprq_tstore_memcpy:1; +#endif }; diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c index f1d837307..59b635e0b 100644 --- a/drivers/net/mlx5/mlx5_rxq.c +++ b/drivers/net/mlx5/mlx5_rxq.c @@ -1380,6 +1380,9 @@ mlx5_rxq_new(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc, tmpl->socket = socket; if (dev->data->dev_conf.intr_conf.rxq) tmpl->irq = 1; +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY + tmpl->rxq.mprq_tstore_memcpy = config->mprq_tstore_memcpy; +#endif mprq_stride_nums = config->mprq.stride_num_n ? config->mprq.stride_num_n : MLX5_MPRQ_STRIDE_NUM_N; mprq_stride_size = non_scatter_min_mbuf_size <= diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c index b530ff421..761dc88f3 100644 --- a/drivers/net/mlx5/mlx5_rxtx.c +++ b/drivers/net/mlx5/mlx5_rxtx.c @@ -121,6 +121,97 @@ uint8_t mlx5_swp_types_table[1 << 10] __rte_cache_aligned; uint64_t rte_net_mlx5_dynf_inline_mask; #define PKT_TX_DYNF_NOINLINE rte_net_mlx5_dynf_inline_mask +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY +static void copy16B_ts(void *dst, void *src) +{ + __m128i var128; + + var128 = _mm_stream_load_si128((__m128i *)src); + _mm_storeu_si128((__m128i *)dst, var128); +} + +static void copy32B_ts(void *dst, void *src) +{ + __m256i ymm0; + + ymm0 = _mm256_stream_load_si256((const __m256i *)src); + _mm256_storeu_si256((__m256i *)dst, ymm0); +} + +static void copy64B_ts(void *dst, void *src) +{ + __m256i ymm0, ymm1; + + ymm0 = _mm256_stream_load_si256((const __m256i *)src); + ymm1 = _mm256_stream_load_si256((const __m256i *)((uint8_t *)src + 32)); + _mm256_storeu_si256((__m256i *)dst, ymm0); + _mm256_storeu_si256((__m256i *)((uint8_t *)dst + 32), ymm1); +} + +static void copy128B_ts(void *dst, void *src) +{ + __m256i ymm0, ymm1, ymm2, ymm3; + + ymm0 = _mm256_stream_load_si256((const __m256i *)src); + ymm1 = _mm256_stream_load_si256((const __m256i *)((uint8_t *)src + 32)); + ymm2 = _mm256_stream_load_si256((const __m256i *)((uint8_t *)src + 64)); + ymm3 = _mm256_stream_load_si256((const __m256i *)((uint8_t *)src + 96)); + _mm256_storeu_si256((__m256i *)dst, ymm0); + _mm256_storeu_si256((__m256i *)((uint8_t *)dst + 32), ymm1); + _mm256_storeu_si256((__m256i *)((uint8_t *)dst + 64), ymm2); + _mm256_storeu_si256((__m256i *)((uint8_t *)dst + 96), ymm3); +} + +static void *memcpy_aligned_rx_tstore_16B(void *dst, void *src, int len) +{ + void *dest = dst; + + while (len >= 128) { + copy128B_ts(dst, src); + dst = (uint8_t *)dst + 128; + src = (uint8_t *)src + 128; + len -= 128; + } + while (len >= 64) { + copy64B_ts(dst, src); + dst = (uint8_t *)dst + 64; + src = (uint8_t *)src + 64; + len -= 64; + } + while (len >= 32) { + copy32B_ts(dst, src); + dst = (uint8_t *)dst + 32; + src = (uint8_t *)src + 32; + len -= 32; + } + if (len >= 16) { + copy16B_ts(dst, src); + dst = (uint8_t *)dst + 16; + src = (uint8_t *)src + 16; + len -= 16; + } + if (len >= 8) { + *(uint64_t *)dst = *(const uint64_t *)src; + dst = (uint8_t *)dst + 8; + src = (uint8_t *)src + 8; + len -= 8; + } + if (len >= 4) { + *(uint32_t *)dst = *(const uint32_t *)src; + dst = (uint8_t *)dst + 4; + src = (uint8_t *)src + 4; + len -= 4; + } + if (len != 0) { + dst = (uint8_t *)dst - (4 - len); + src = (uint8_t *)src - (4 - len); + *(uint32_t *)dst = *(const uint32_t *)src; + } + + return dest; +} +#endif + /** * Build a table to translate Rx completion flags to packet type. * @@ -1611,6 +1702,9 @@ mlx5_rx_burst_mprq(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n) int32_t hdrm_overlap; volatile struct mlx5_mini_cqe8 *mcqe = NULL; uint32_t rss_hash_res = 0; +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY + uintptr_t data_addr; +#endif if (consumed_strd == strd_n) { /* Replace WQE only if the buffer is still in use. */ @@ -1676,12 +1770,30 @@ mlx5_rx_burst_mprq(void *dpdk_rxq, struct rte_mbuf **pkts, uint16_t pkts_n) * - Out of buffer in the Mempool for Multi-Packet RQ. * - The packet's stride overlaps a headroom and scatter is off. */ +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY + if (unlikely(!rxq->mprq_tstore_memcpy) && + len <= rxq->mprq_max_memcpy_len) { + rte_prefetch1(addr); + if (len > RTE_CACHE_LINE_SIZE) + rte_prefetch2((void *)((uintptr_t)addr + RTE_CACHE_LINE_SIZE)); + } +#endif if (len <= rxq->mprq_max_memcpy_len || rxq->mprq_repl == NULL || (hdrm_overlap > 0 && !rxq->strd_scatter_en)) { if (likely(rte_pktmbuf_tailroom(pkt) >= len)) { - rte_memcpy(rte_pktmbuf_mtod(pkt, void *), - addr, len); +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY + data_addr = (uintptr_t)rte_pktmbuf_mtod(pkt, void *); + if (!(rxq->mprq_tstore_memcpy)) + rte_memcpy((void *)data_addr, addr, len); + else if ((rxq->mprq_tstore_memcpy) && + !((data_addr | (uintptr_t)addr) & ALIGNMENT_MASK)) + memcpy_aligned_rx_tstore_16B((void *)data_addr, + addr, len); + else +#endif + rte_memcpy(rte_pktmbuf_mtod(pkt, void *), + addr, len); DATA_LEN(pkt) = len; } else if (rxq->strd_scatter_en) { struct rte_mbuf *prev = pkt; diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h index 674296ee9..750371014 100644 --- a/drivers/net/mlx5/mlx5_rxtx.h +++ b/drivers/net/mlx5/mlx5_rxtx.h @@ -153,6 +153,9 @@ struct mlx5_rxq_data { uint32_t tunnel; /* Tunnel information. */ uint64_t flow_meta_mask; int32_t flow_meta_offset; +#ifdef RTE_LIBRTE_MLX5_NTLOAD_TSTORE_ALIGN_COPY + unsigned int mprq_tstore_memcpy:1; +#endif } __rte_cache_aligned; enum mlx5_rxq_type { diff --git a/meson_options.txt b/meson_options.txt index 9bf18ab6b..a4bc565d2 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -30,6 +30,8 @@ option('max_lcores', type: 'integer', value: 128, description: 'maximum number of cores/threads supported by EAL') option('max_numa_nodes', type: 'integer', value: 4, description: 'maximum number of NUMA nodes supported by EAL') +option('mlx5_ntload_tstore', type: 'boolean', value: false, + description: 'to enable optimized MPRQ in RX datapath') option('enable_trace_fp', type: 'boolean', value: false, description: 'enable fast path trace points.') option('tests', type: 'boolean', value: true, -- 2.25.1