From 22999c2df14eb455080ff0a09bf93dc795a4049f Mon Sep 17 00:00:00 2001 From: pmikus <peter.mikus@protonmail.ch> Date: Wed, 15 Mar 2023 15:15:48 +0000 Subject: feat(docs): Add Methodology Signed-off-by: pmikus <peter.mikus@protonmail.ch> Change-Id: I5b2e4c14cc258d821b630d2e54b23a8468820764 --- .../data_plane_throughput/mrr_throughput.md | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 docs/content/methodology/data_plane_throughput/mrr_throughput.md (limited to 'docs/content/methodology/data_plane_throughput/mrr_throughput.md') diff --git a/docs/content/methodology/data_plane_throughput/mrr_throughput.md b/docs/content/methodology/data_plane_throughput/mrr_throughput.md new file mode 100644 index 0000000000..2d895704a1 --- /dev/null +++ b/docs/content/methodology/data_plane_throughput/mrr_throughput.md @@ -0,0 +1,57 @@ +--- +bookToc: false +title: "MRR Throughput" +weight: 4 +--- + +# MRR Throughput + +Maximum Receive Rate (MRR) tests are complementary to MLRsearch tests, +as they provide a maximum "raw" throughput benchmark for development and +testing community. MRR tests measure the packet forwarding rate under +the maximum load offered by traffic generator over a set trial duration, +regardless of packet loss. + +MRR tests are currently used for following test jobs: + +- Report performance comparison: 64B, IMIX for vhost, memif. +- Daily performance trending: 64B, IMIX for vhost, memif. +- Per-patch performance verification: 64B. +- Initial iterations of MLRsearch and PLRsearch: 64B. + +Maximum offered load for specific L2 Ethernet frame size is set to +either the maximum bi-directional link rate or tested NIC model +capacity, as follows: + +- For 10GE NICs the maximum packet rate load is 2x14.88 Mpps for 64B, a + 10GE bi-directional link rate. +- For 25GE NICs the maximum packet rate load is 2x18.75 Mpps for 64B, a + 25GE bi-directional link sub-rate limited by 25GE NIC used on TRex TG, + XXV710. +- For 40GE NICs the maximum packet rate load is 2x18.75 Mpps for 64B, a + 40GE bi-directional link sub-rate limited by 40GE NIC used on TRex + TG,XL710. Packet rate for other tested frame sizes is limited by + PCIeGen3 x8 bandwidth limitation of ~50Gbps. + +MRR test code implements multiple bursts of offered packet load and has +two configurable burst parameters: individual trial duration and number +of trials in a single burst. This enables more precise performance +trending by providing more results data for analysis. + +Burst parameter settings vary between different tests using MRR: + +- MRR individual trial duration: + + - Report performance comparison: 1 sec. + - Daily performance trending: 1 sec. + - Per-patch performance verification: 10 sec. + - Initial iteration for MLRsearch: 1 sec. + - Initial iteration for PLRsearch: 5.2 sec. + +- Number of MRR trials per burst: + + - Report performance comparison: 10. + - Daily performance trending: 10. + - Per-patch performance verification: 5. + - Initial iteration for MLRsearch: 1. + - Initial iteration for PLRsearch: 1. \ No newline at end of file -- cgit