<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div>Many moons ago there was a brief discussion on this list about MXM/FCA testing.<div>I promised to send the results of my testing once I got things working.</div><div>It's been working for quite a while on a ~600 node QDR cluster and the results are pretty remarkable.</div><div>Attached are several graphs of 2 different MPI synthetics I use to test IB performance - ring and scatter.</div><div><br></div><div>Scatter shows pretty good performance gains with smaller message sizes - larger message sizes pretty much stink.</div><div>Ring shows significant performance increases across the board, with a couple odd results that may need more analysis/testing.</div><div><br></div><div><img height="480" width="640" apple-width="yes" apple-height="yes" id="7675b599-d982-428b-abe3-599ec5aadeb9" src="cid:6454771B-AB60-4F1A-ADDA-26A55BD299C9"><img height="480" width="640" apple-width="yes" apple-height="yes" id="84aa6e8a-151c-47a9-8b9f-87dea7b11b29" src="cid:52D96D3A-8C73-4788-8B33-80BD11004E60"><img height="480" width="640" apple-width="yes" apple-height="yes" id="6d1f86b0-7efa-4107-9d27-b96a5bc39852" src="cid:6B872900-FD2D-4340-99C8-75A9E63AC891"><img height="480" width="640" apple-width="yes" apple-height="yes" id="293b98f5-ec77-4494-9d3c-71478c73ecff" src="cid:56AF34F0-5688-47BA-A57E-9D5D0DAFDE48"><img height="480" width="640" apple-width="yes" apple-height="yes" id="bdd0960f-ff38-480c-9adb-a9d94960b036" src="cid:1E9645BF-FC96-4FD0-978A-22228503526D"><img height="480" width="640" apple-width="yes" apple-height="yes" id="46a9af31-a457-4c0b-9ab5-72d416a815c4" src="cid:FB468044-6AFD-4927-B092-4E5021A83548"><img height="480" width="640" apple-width="yes" apple-height="yes" id="cf721796-ee9e-42c6-a452-de181580237a" src="cid:8563DA3A-BDA1-46EE-B090-ED39A02C2A0B"><img height="480" width="640" apple-width="yes" apple-height="yes" id="9c08bbbd-89a8-4674-a81e-15e12ba77022" src="cid:4E7282AE-84BA-4C50-A8FA-195DBF4342D5"><img height="480" width="640" apple-width="yes" apple-height="yes" id="6e0a52c4-24b2-4d1c-965c-3594ba60e10d" src="cid:62D7368D-31AD-4C04-8B67-034783083985"><img height="480" width="640" apple-width="yes" apple-height="yes" id="04f57c99-b409-4f68-bb4f-c2faedcd386e" src="cid:E563F249-8E84-406F-BA61-1F2049E8260E"></div><div><br><div>
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>====================================</div><div><br></div><div>Susan Coulter<br>HPC-3 Network/Infrastructure<br>505-667-8425<br>Increase the Peace...<br>An eye for an eye leaves the whole world blind<br>====================================</div></div></span></div>
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