From: <pbhagavatula@marvell.com> To: <jerinj@marvell.com>, <jay.jayatheerthan@intel.com>, <erik.g.carrillo@intel.com>, <abhinandan.gujjar@intel.com>, <timothy.mcdaniel@intel.com>, <hemant.agrawal@nxp.com>, <harry.van.haaren@intel.com>, <mattias.ronnblom@ericsson.com>, <liang.j.ma@intel.com> Cc: <dev@dpdk.org>, Pavan Nikhilesh <pbhagavatula@marvell.com> Subject: [dpdk-dev] [PATCH v5 0/8] Introduce event vectorization Date: Wed, 24 Mar 2021 10:35:16 +0530 Message-ID: <20210324050525.4489-1-pbhagavatula@marvell.com> (raw) In-Reply-To: <20210319205718.1436-1-pbhagavatula@marvell.com> From: Pavan Nikhilesh <pbhagavatula@marvell.com> In traditional event programming model, events are identified by a flow-id and a uintptr_t. The flow-id uniquely identifies a given event and determines the order of scheduling based on schedule type, the uintptr_t holds a single object. Event devices also support burst mode with configurable dequeue depth, i.e. each dequeue call would return multiple events and each event might be at a different stage of the pipeline. Having a burst of events belonging to different stages in a dequeue burst is not only difficult to vectorize but also increases the scheduler overhead and application overhead of pipelining events further. Using event vectors we see a performance gain of ~628% as shown in [1]. By introducing event vectorization, each event will be capable of holding multiple uintptr_t of the same flow thereby allowing applications to vectorize their pipeline and reduce the complexity of pipelining events across multiple stages. This also reduces the complexity of handling enqueue and dequeue on an event device. Since event devices are transparent to the events they are scheduling so the event producers such as eth_rx_adapter, crypto_adapter , etc.. are responsible for vectorizing the buffers of the same flow into a single event. The series also breaks ABI in the patch [8/8] which is targetted to the v21.11 release. The dpdk-test-eventdev application has been updated with options to test multiple vector sizes and timeouts. [1] As for performance improvement, with a ARM Cortex-A72 equivalent processer, software event device (--vdev=event_sw0), single worker core, single stage and using one service core for Rx adapter, Tx adapter, Scheduling. Without event vectorization: ./build/app/dpdk-test-eventdev -l 7-23 -s 0x700 --vdev="event_sw0" -- --prod_type_ethdev --nb_pkts=0 --verbose 2 --test=pipeline_queue --stlist=a --wlcores=20 Port[0] using Rx adapter[0] configured Port[0] using Tx adapter[0] Configured 4.728 mpps avg 4.728 mpps With event vectorization: ./build/app/dpdk-test-eventdev -l 7-23 -s 0x700 --vdev="event_sw0" -- --prod_type_ethdev --nb_pkts=0 --verbose 2 --test=pipeline_queue --stlist=a --wlcores=20 --enable_vector --nb_eth_queues 1 --vector_size 256 Port[0] using Rx adapter[0] configured Port[0] using Tx adapter[0] Configured 34.383 mpps avg 34.383 mpps Having dedicated service cores for each Rx queues and tweaking the vector, dequeue burst size would further improve performance. API usage is shown below: Configuration: struct rte_event_eth_rx_adapter_event_vector_config vec_conf; vector_pool = rte_event_vector_pool_create("vector_pool", nb_elem, 0, vector_size, socket_id); rte_event_eth_rx_adapter_create(id, event_id, &adptr_conf); rte_event_eth_rx_adapter_queue_add(id, eth_id, -1, &queue_conf); if (cap & RTE_EVENT_ETH_RX_ADAPTER_CAP_EVENT_VECTOR) { vec_conf.vector_sz = vector_size; vec_conf.vector_timeout_ns = vector_tmo_nsec; vec_conf.vector_mp = vector_pool; rte_event_eth_rx_adapter_queue_event_vector_config(id, eth_id, -1, &vec_conf); } Fastpath: num = rte_event_dequeue_burst(event_id, port_id, &ev, 1, 0); if (!num) continue; if (ev.event_type & RTE_EVENT_TYPE_VECTOR) { switch (ev.event_type) { case RTE_EVENT_TYPE_ETHDEV_VECTOR: case RTE_EVENT_TYPE_ETH_RX_ADAPTER_VECTOR: struct rte_mbuf **mbufs; mbufs = ev.vector_ev->mbufs; for (i = 0; i < ev.vector_ev->nb_elem; i++) //Process mbufs. break; case ... } } ... v5 Changes: - Make `rte_event_vector_pool_create non-inline` to ease ABI stability.(Ray) - Move `rte_event_eth_rx_adapter_queue_event_vector_config` and `rte_event_eth_rx_adapter_vector_limits_get` implementation to the patch where they are initially defined.(Ray) - Multiple gramatical and style fixes.(Jerin) - Add missing release notes.(Jerin) v4 Changes: - Fix missing event vector structure in event structure.(Jay) v3 Changes: - Fix unintended formatting changes. v2 Changes: - Multiple gramatical and style fixes.(Jerin) - Add parameter to define vector size in power of 2. (Jerin) - Redo patch series w/o breaking ABI till the last patch.(David) - Add deprication notice to announce ABI break in 21.11.(David) - Add vector limits validation to app/test-eventdev. Pavan Nikhilesh (8): eventdev: introduce event vector capability eventdev: introduce event vector Rx capability eventdev: introduce event vector Tx capability eventdev: add Rx adapter event vector support eventdev: add Tx adapter event vector support app/eventdev: add event vector mode in pipeline test doc: announce event Rx adapter config changes eventdev: simplify Rx adapter event vector config app/test-eventdev/evt_common.h | 4 + app/test-eventdev/evt_options.c | 52 +++ app/test-eventdev/evt_options.h | 4 + app/test-eventdev/test_pipeline_atq.c | 310 +++++++++++++++-- app/test-eventdev/test_pipeline_common.c | 105 +++++- app/test-eventdev/test_pipeline_common.h | 18 + app/test-eventdev/test_pipeline_queue.c | 320 ++++++++++++++++-- .../prog_guide/event_ethernet_rx_adapter.rst | 38 +++ .../prog_guide/event_ethernet_tx_adapter.rst | 12 + doc/guides/prog_guide/eventdev.rst | 36 +- doc/guides/rel_notes/deprecation.rst | 9 + doc/guides/rel_notes/release_21_05.rst | 8 + doc/guides/tools/testeventdev.rst | 45 ++- lib/librte_eventdev/eventdev_pmd.h | 31 +- .../rte_event_eth_rx_adapter.c | 305 ++++++++++++++++- .../rte_event_eth_rx_adapter.h | 78 +++++ .../rte_event_eth_tx_adapter.c | 66 +++- lib/librte_eventdev/rte_eventdev.c | 53 ++- lib/librte_eventdev/rte_eventdev.h | 113 ++++++- lib/librte_eventdev/version.map | 4 + 20 files changed, 1524 insertions(+), 87 deletions(-) -- 2.17.1
next prev parent reply other threads:[~2021-03-24 5:05 UTC|newest] Thread overview: 153+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-20 22:09 [dpdk-dev] [PATCH 0/7] " pbhagavatula 2021-02-20 22:09 ` [dpdk-dev] [PATCH 1/7] eventdev: introduce event vector capability pbhagavatula 2021-03-08 16:49 ` Jerin Jacob 2021-02-20 22:09 ` [dpdk-dev] [PATCH 2/7] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-08 17:07 ` Jerin Jacob 2021-02-20 22:09 ` [dpdk-dev] [PATCH 3/7] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-08 17:09 ` Jerin Jacob 2021-02-20 22:09 ` [dpdk-dev] [PATCH 4/7] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-08 17:27 ` Jerin Jacob 2021-03-16 10:41 ` Jayatheerthan, Jay 2021-02-20 22:09 ` [dpdk-dev] [PATCH 5/7] eventdev: add Tx " pbhagavatula 2021-02-20 22:09 ` [dpdk-dev] [PATCH 6/7] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-02-20 22:09 ` [dpdk-dev] [PATCH 7/7] eventdev: fix ABI breakage due to event vector pbhagavatula 2021-03-08 18:44 ` Jerin Jacob 2021-03-12 14:28 ` David Marchand 2021-03-16 5:54 ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula 2021-03-15 10:01 ` [dpdk-dev] " Kinsella, Ray 2021-03-08 16:41 ` [dpdk-dev] [PATCH 0/7] Introduce event vectorization Jerin Jacob 2021-03-16 15:48 ` [dpdk-dev] [PATCH v2 0/8] " pbhagavatula 2021-03-16 15:48 ` [dpdk-dev] [PATCH v2 1/8] eventdev: introduce event vector capability pbhagavatula 2021-03-16 17:48 ` Jerin Jacob 2021-03-16 19:17 ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula 2021-03-16 15:48 ` [dpdk-dev] [PATCH v2 2/8] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-16 15:48 ` [dpdk-dev] [PATCH v2 3/8] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-16 15:48 ` [dpdk-dev] [PATCH v2 4/8] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-16 15:48 ` [dpdk-dev] [PATCH v2 5/8] eventdev: add Tx " pbhagavatula 2021-03-16 15:48 ` [dpdk-dev] [PATCH v2 6/8] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-03-16 15:48 ` [dpdk-dev] [PATCH v2 7/8] doc: announce event Rx adapter config changes pbhagavatula 2021-03-16 15:48 ` [dpdk-dev] [dpdk-dev v21.11] [PATCH v2 8/8] eventdev: simplify Rx adapter event vector config pbhagavatula 2021-03-16 20:01 ` [dpdk-dev] [PATCH v3 0/8] Introduce event vectorization pbhagavatula 2021-03-16 20:01 ` [dpdk-dev] [PATCH v3 1/8] eventdev: introduce event vector capability pbhagavatula 2021-03-18 6:19 ` Jayatheerthan, Jay 2021-03-18 6:23 ` Pavan Nikhilesh Bhagavatula 2021-03-16 20:01 ` [dpdk-dev] [PATCH v3 2/8] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-16 20:01 ` [dpdk-dev] [PATCH v3 3/8] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-16 20:01 ` [dpdk-dev] [PATCH v3 4/8] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-16 20:01 ` [dpdk-dev] [PATCH v3 5/8] eventdev: add Tx " pbhagavatula 2021-03-16 20:01 ` [dpdk-dev] [PATCH v3 6/8] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-03-16 20:01 ` [dpdk-dev] [PATCH v3 7/8] doc: announce event Rx adapter config changes pbhagavatula 2021-03-16 20:01 ` [dpdk-dev] [dpdk-dev v21.11] [PATCH v3 8/8] eventdev: simplify Rx adapter event vector config pbhagavatula 2021-03-19 20:57 ` [dpdk-dev] [PATCH v4 0/8] Introduce event vectorization pbhagavatula 2021-03-19 20:57 ` [dpdk-dev] [PATCH v4 1/8] eventdev: introduce event vector capability pbhagavatula 2021-03-22 9:06 ` Kinsella, Ray 2021-03-22 9:10 ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula 2021-03-23 11:12 ` [dpdk-dev] " Jerin Jacob 2021-03-19 20:57 ` [dpdk-dev] [PATCH v4 2/8] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-22 9:12 ` Kinsella, Ray 2021-03-22 10:07 ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula 2021-03-22 11:07 ` Kinsella, Ray 2021-03-23 16:56 ` [dpdk-dev] " Jerin Jacob 2021-03-19 20:57 ` [dpdk-dev] [PATCH v4 3/8] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-19 20:57 ` [dpdk-dev] [PATCH v4 4/8] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-23 18:30 ` Jerin Jacob 2021-03-19 20:57 ` [dpdk-dev] [PATCH v4 5/8] eventdev: add Tx " pbhagavatula 2021-03-19 20:57 ` [dpdk-dev] [PATCH v4 6/8] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-03-23 18:39 ` Jerin Jacob 2021-03-19 20:57 ` [dpdk-dev] [PATCH v4 7/8] doc: announce event Rx adapter config changes pbhagavatula 2021-03-19 20:57 ` [dpdk-dev] [dpdk-dev v21.11] [PATCH v4 8/8] eventdev: simplify Rx adapter event vector config pbhagavatula 2021-03-23 18:44 ` [dpdk-dev] [PATCH v4 0/8] Introduce event vectorization Jerin Jacob 2021-03-24 5:05 ` pbhagavatula [this message] 2021-03-24 5:05 ` [dpdk-dev] [PATCH v5 1/8] eventdev: introduce event vector capability pbhagavatula 2021-03-24 6:48 ` Jayatheerthan, Jay 2021-03-24 18:20 ` Pavan Nikhilesh Bhagavatula 2021-03-24 9:16 ` Kinsella, Ray 2021-03-24 5:05 ` [dpdk-dev] [PATCH v5 2/8] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-24 9:15 ` Kinsella, Ray 2021-03-25 8:15 ` Jayatheerthan, Jay 2021-03-25 9:24 ` Pavan Nikhilesh Bhagavatula 2021-03-25 9:50 ` Jayatheerthan, Jay 2021-03-24 5:05 ` [dpdk-dev] [PATCH v5 3/8] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-25 8:16 ` Jayatheerthan, Jay 2021-03-24 5:05 ` [dpdk-dev] [PATCH v5 4/8] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-25 10:37 ` Jayatheerthan, Jay 2021-03-25 13:14 ` Pavan Nikhilesh Bhagavatula 2021-03-26 6:26 ` Jayatheerthan, Jay 2021-03-26 9:00 ` Pavan Nikhilesh Bhagavatula 2021-03-24 5:05 ` [dpdk-dev] [PATCH v5 5/8] eventdev: add Tx " pbhagavatula 2021-03-25 11:44 ` Jayatheerthan, Jay 2021-03-24 5:05 ` [dpdk-dev] [PATCH v5 6/8] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-03-24 5:05 ` [dpdk-dev] [PATCH v5 7/8] doc: announce event Rx adapter config changes pbhagavatula 2021-03-24 9:16 ` Kinsella, Ray 2021-03-24 5:05 ` [dpdk-dev] [dpdk-dev v21.11] [PATCH v5 8/8] eventdev: simplify Rx adapter event vector config pbhagavatula 2021-03-25 12:27 ` Jayatheerthan, Jay 2021-03-25 13:55 ` Pavan Nikhilesh Bhagavatula 2021-03-26 7:09 ` Jayatheerthan, Jay 2021-03-26 9:44 ` Pavan Nikhilesh Bhagavatula 2021-03-24 5:39 ` [dpdk-dev] [PATCH v5 0/8] Introduce event vectorization Jayatheerthan, Jay 2021-03-24 6:44 ` Pavan Nikhilesh Bhagavatula 2021-03-24 8:10 ` Jayatheerthan, Jay 2021-03-24 19:28 ` [dpdk-dev] [PATCH v6 " pbhagavatula 2021-03-24 19:28 ` [dpdk-dev] [PATCH v6 1/8] eventdev: introduce event vector capability pbhagavatula 2021-03-24 19:28 ` [dpdk-dev] [PATCH v6 2/8] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-24 19:28 ` [dpdk-dev] [PATCH v6 3/8] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-24 19:28 ` [dpdk-dev] [PATCH v6 4/8] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-24 19:28 ` [dpdk-dev] [PATCH v6 5/8] eventdev: add Tx " pbhagavatula 2021-03-24 19:28 ` [dpdk-dev] [PATCH v6 6/8] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-03-24 19:28 ` [dpdk-dev] [PATCH v6 7/8] doc: announce event Rx adapter config changes pbhagavatula 2021-03-24 19:28 ` [dpdk-dev] [dpdk-dev v21.11] [PATCH v6 8/8] eventdev: simplify Rx adapter event vector config pbhagavatula 2021-03-25 17:10 ` [dpdk-dev] [PATCH v7 0/8] Introduce event vectorization pbhagavatula 2021-03-25 17:10 ` [dpdk-dev] [PATCH v7 1/8] eventdev: introduce event vector capability pbhagavatula 2021-03-25 17:10 ` [dpdk-dev] [PATCH v7 2/8] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-25 17:10 ` [dpdk-dev] [PATCH v7 3/8] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-25 17:10 ` [dpdk-dev] [PATCH v7 4/8] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-25 17:10 ` [dpdk-dev] [PATCH v7 5/8] eventdev: add Tx " pbhagavatula 2021-03-25 17:10 ` [dpdk-dev] [PATCH v7 6/8] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-03-25 17:10 ` [dpdk-dev] [PATCH v7 7/8] doc: announce event Rx adapter config changes pbhagavatula 2021-03-25 17:10 ` [dpdk-dev] [dpdk-dev v21.11] [PATCH v7 8/8] eventdev: simplify Rx adapter event vector config pbhagavatula 2021-03-26 14:08 ` [dpdk-dev] [PATCH v8 0/8] Introduce event vectorization pbhagavatula 2021-03-26 14:08 ` [dpdk-dev] [PATCH v8 1/8] eventdev: introduce event vector capability pbhagavatula 2021-03-27 12:07 ` Jayatheerthan, Jay 2021-03-26 14:08 ` [dpdk-dev] [PATCH v8 2/8] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-26 14:08 ` [dpdk-dev] [PATCH v8 3/8] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-26 14:08 ` [dpdk-dev] [PATCH v8 4/8] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-28 8:18 ` Jerin Jacob 2021-03-29 6:09 ` Jayatheerthan, Jay 2021-03-26 14:08 ` [dpdk-dev] [PATCH v8 5/8] eventdev: add Tx " pbhagavatula 2021-03-26 14:08 ` [dpdk-dev] [PATCH v8 6/8] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-03-26 14:08 ` [dpdk-dev] [PATCH v8 7/8] doc: announce event Rx adapter config changes pbhagavatula 2021-03-26 14:43 ` Jerin Jacob 2021-03-27 12:07 ` Jayatheerthan, Jay 2021-03-26 14:08 ` [dpdk-dev] [dpdk-dev v21.11] [PATCH v8 8/8] eventdev: simplify Rx adapter event vector config pbhagavatula 2021-03-30 8:22 ` [dpdk-dev] [PATCH v9 0/8] Introduce event vectorization pbhagavatula 2021-03-30 8:22 ` [dpdk-dev] [PATCH v9 1/8] eventdev: introduce event vector capability pbhagavatula 2021-03-30 8:22 ` [dpdk-dev] [PATCH v9 2/8] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-30 8:22 ` [dpdk-dev] [PATCH v9 3/8] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-30 8:22 ` [dpdk-dev] [PATCH v9 4/8] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-31 6:35 ` Jayatheerthan, Jay 2021-03-31 6:40 ` Pavan Nikhilesh Bhagavatula 2021-03-31 6:55 ` Jayatheerthan, Jay 2021-03-30 8:22 ` [dpdk-dev] [PATCH v9 5/8] eventdev: add Tx " pbhagavatula 2021-03-30 8:22 ` [dpdk-dev] [PATCH v9 6/8] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-03-30 8:22 ` [dpdk-dev] [PATCH v9 7/8] doc: announce event Rx adapter config changes pbhagavatula 2021-03-30 8:22 ` [dpdk-dev] [dpdk-dev v21.11] [PATCH v9 8/8] eventdev: simplify Rx adapter event vector config pbhagavatula 2021-03-31 6:55 ` Jayatheerthan, Jay 2021-03-31 9:29 ` [dpdk-dev] [PATCH v10 0/8] Introduce event vectorization pbhagavatula 2021-03-31 9:29 ` [dpdk-dev] [PATCH v10 1/8] eventdev: introduce event vector capability pbhagavatula 2021-03-31 9:29 ` [dpdk-dev] [PATCH v10 2/8] eventdev: introduce event vector Rx capability pbhagavatula 2021-03-31 9:29 ` [dpdk-dev] [PATCH v10 3/8] eventdev: introduce event vector Tx capability pbhagavatula 2021-03-31 9:29 ` [dpdk-dev] [PATCH v10 4/8] eventdev: add Rx adapter event vector support pbhagavatula 2021-03-31 9:29 ` [dpdk-dev] [PATCH v10 5/8] eventdev: add Tx " pbhagavatula 2021-03-31 9:30 ` [dpdk-dev] [PATCH v10 6/8] app/eventdev: add event vector mode in pipeline test pbhagavatula 2021-03-31 9:30 ` [dpdk-dev] [PATCH v10 7/8] doc: announce event Rx adapter config changes pbhagavatula 2021-03-31 9:30 ` [dpdk-dev] [dpdk-dev v21.11] [PATCH v10 8/8] eventdev: simplify Rx adapter event vector config pbhagavatula 2021-08-18 4:56 ` [dpdk-dev] [PATCH v11] " pbhagavatula 2021-08-18 4:59 ` [dpdk-dev] [PATCH v12] " pbhagavatula 2021-08-18 6:57 ` [dpdk-dev] [PATCH v13] " pbhagavatula 2021-08-18 8:22 ` Jayatheerthan, Jay 2021-08-20 7:33 ` Naga Harish K, S V 2021-09-07 8:30 ` Jerin Jacob 2021-09-15 13:15 ` [dpdk-dev] [PATCH v14] " pbhagavatula 2021-09-15 13:18 ` Kinsella, Ray 2021-09-16 4:28 ` Jerin Jacob 2021-04-03 9:44 ` [dpdk-dev] [PATCH v10 0/8] Introduce event vectorization Jerin Jacob
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