netdev - [PATCH 0/14] nes: NetEffect 10Gb RNIC Driver

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Date:	Tue, 7 Aug 2007 19:22:14 -0500
From:	ggrundstrom@...effect.com
To:	rdreier@...co.com
Cc:	ewg@...ts.openfabrics.org, general@...ts.openfabrics.org,
	ggrundstrom@...effect.com, netdev@...r.kernel.org
Subject: [PATCH 0/14] nes: NetEffect 10Gb RNIC Driver

NetEffect is proud to announce the following series of patches which contain the source code for the NE020 10Gb RNIC adapter.  The driver is split into two components - a kernel driver module and a userspace library.

The code can also be found in the following git trees.
git.openfabrics.org/~glenn/libnes.git
git.openfabrics.org/~glenn/ofed_1_2.git
git.openfabrics.org/~glenn/ofascripts.git
git.openfabrics.org/~glenn/ofed_1_2_scripts.git

Requirements
============
* NE020 hardware
* RHEL4u4 or FC5
* OFED 1.2 GA
* OFED 1.2 version of MVAPICH2 

Known issues
============
* DAPL only works with 1 process per node due to lack of loopback
* MPI over DAPL must use MPI shared memory loopback

Plans for next release
======================
* Plan on adding verbs loopback to enable DAPL loopback
* Increase robustness and stability

What we tested
==============
The performance results are meant to be broadly representative. 
Results can vary depending on switches used, system configuration, OS used, etc.

Configuration notes:
All two node tests were performed back-to-back i.e. no switch Multinode
testing was performed using a high performance, low latency cut-through switch.

Platform: CentOS x86_64

1.    cbench rotate latency and bandwidth using mvapich2 over OFA verbs:

      Rotate Latency: 6.67 us
      Rotate Bandwidth: 9.3 Gpbs

2.    OSU bandwidth and latency tests using mvapich2 over OFA verbs:

      OSU Latency: 6.74 us
      OSU Bi-Bandwidth: 14.4 Gbps

3.    Perftest (rdma_bw Uni-dir/Bi-dir and rdma_lat)

      RDMA Bandwidth Uni-directional:  8.9  Gpbs
      RDMA Bandwidth Bi-directional : 15.09 Gpbs
      RDMA Latency                  :  5.95 us

4.    NIC Testing

      Iperf 4 stream Bi-directional test

Iperf -c <Srvr IP Addr> -d -M -N -i 4 -P 4 (Jumbo packets enabled) --> 10.76 Gbps

NetPerf
netperf -H <Srvr IP Addr> -T1,1 -t TCP_STREAM -l 60 -C -c (Jumbo packets enabled) --> 6.2 Gbps

Thanks,
Glenn.
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