<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1256">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
{font-family:Latha;
panose-1:2 0 4 0 0 0 0 0 0 0;}
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Aptos;}
@font-face
{font-family:Abadi;}
@font-face
{font-family:Menlo;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
font-size:11.0pt;
font-family:"Aptos",sans-serif;}
p.p1, li.p1, div.p1
{mso-style-name:p1;
margin:0in;
font-size:11.5pt;
font-family:Menlo;
color:black;}
span.s2
{mso-style-name:s2;
color:#CA3323;}
span.s1
{mso-style-name:s1;}
span.apple-converted-space
{mso-style-name:apple-converted-space;}
span.EmailStyle24
{mso-style-type:personal-reply;
font-family:"Aptos",sans-serif;
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;
mso-ligatures:none;}
@page WordSection1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang="EN-US" link="#467886" vlink="#96607D" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal">Hi, Niyaz.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Are you using MPICH or MVAPICH? This is the MVAPICH mailing list. Not the MPICH list. For issues related to MPICH, please contact the MPICH developers.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best,<o:p></o:p></p>
<p class="MsoNormal">Hari.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span style="font-family:"Calibri",sans-serif">From:</span></b><span style="font-family:"Calibri",sans-serif"> Mvapich-discuss <mvapich-discuss-bounces@lists.osu.edu>
<b>On Behalf Of </b>Niyaz Murshed via Mvapich-discuss<br>
<b>Sent:</b> Tuesday, June 11, 2024 6:54 PM<br>
<b>To:</b> mvapich-discuss@lists.osu.edu<br>
<b>Cc:</b> nd <nd@arm.com><br>
<b>Subject:</b> [Mvapich-discuss] Mpich over RDMA sample<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="mso-line-height-alt:.75pt"><span style="font-size:1.0pt;color:white">Hello, I am trying to learn about MPICH and its performance over RDMA. I am using libfabric and installed mpich using the below configure. ./configure --prefix=/opt/mpich/
--with-ofi=/opt/libfabric/ When I run any applications between 2 directly <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-line-height-alt:.75pt"><span style="font-size:1.0pt;color:white">ZjQcmQRYFpfptBannerStart<o:p></o:p></span></p>
</div>
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="100%" style="width:100.0%;border-radius:4px">
<tbody>
<tr>
<td style="padding:12.0pt 0in 12.0pt 0in">
<table class="MsoNormalTable" border="1" cellspacing="0" cellpadding="0" width="100%" style="width:100.0%;background:#CFD3D7;border:none;border-top:solid #8C8E91 3.0pt">
<tbody>
<tr>
<td valign="top" style="border:none;padding:0in 7.5pt 3.75pt 4.5pt">
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" align="left">
<tbody>
<tr>
<td style="padding:3.0pt 6.0pt 3.0pt 6.0pt">
<p class="MsoNormal"><b><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black">This Message Is From an External Sender
<o:p></o:p></span></b></p>
</td>
</tr>
<tr>
<td style="padding:3.0pt 6.0pt 3.0pt 6.0pt">
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">This message came from outside your organization.
<o:p></o:p></span></p>
</td>
</tr>
</tbody>
</table>
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" align="right">
<tbody>
<tr>
<td style="padding:3.0pt 0in 3.0pt 0in">
<p class="MsoNormal"> <a href="https://us-phishalarm-ewt.proofpoint.com/EWT/v1/KGKeukY!vwQdMSZND6YBZRdwP87EmcuTKOH7uspXetcIRVNMBVDirJQ_WGsXmRvHQlK-rHP4x-ctNgz6bAsf0R9wB8SOHaGARJWi_y-3WMl0J4AGU4E4sIZZkShZhsYgHQNj3XycR27EKK0AZZOwIVSKDskkUg$" target="_blank"><strong><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:black;border:solid #666666 1.0pt;padding:6.0pt;font-weight:normal;text-decoration:none"> Report Suspicious </span></strong></a>
<span style="font-size:12.0pt"><o:p></o:p></span></p>
</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
<div>
<p class="MsoNormal" style="mso-line-height-alt:.75pt"><span style="font-size:1.0pt;color:white">ZjQcmQRYFpfptBannerEnd<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual">Hello,
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual">I am trying to learn about MPICH and its performance over RDMA.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual">I am using libfabric and installed mpich using the below configure.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="p1"><span class="s1"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif">./</span></span><span class="s2"><b><span style="font-size:14.0pt;font-family:"Abadi",sans-serif">configure</span></b></span><span class="s1"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif">
--prefix=/opt/mpich/</span></span><span class="apple-converted-space"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif">
</span></span><span class="s1"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif">--with-ofi=/opt/libfabric/</span></span><span style="font-size:14.0pt;font-family:"Abadi",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual">When I run any applications between 2 directly connected servers having Mellanox NICs, I see that communication is happening over tcp and not
over RoCE.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual">Is there any way to test commination over RoCE ?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual">For eg. I was able to test it for libfabric using the below sample that comes along with libfabric to test RMA.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual">Is there something similar for MPICH ? or use the current sample to use RoCE by some parameter?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;color:black">Server : <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;color:black">fi_rma_bw -s 192.168.1.100 -e msg -d mlx5_1 -S 1024 -I 1 <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;color:black">Client :<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt;font-family:"Abadi",sans-serif;color:black">fi_rma_bw -s 192.168.1.200 -e msg -d mlx5_3 192.168.1.100 -S 1024 -I 1 <o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-ligatures:standardcontextual">Niyaz<o:p></o:p></span></p>
</div>
</body>
</html>