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Hello MVAPICH2 maintainers, I hope this message finds you well. I am submitting a patch to add support for the Yunsilicon RoCE (xscale) network adapter to MVAPICH2 version 2. 3. 7. This patch enables MVAPICH2 to properly detect and utilize Yunsilicon</div>
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<div id="editor_version_7.54.1_nKT6m8sa" style="word-break:break-word;"><div data-zone-id="0" data-line-index="0" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div dir="auto" style="font-size: 14px;"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">Hello MVAPICH2 maintainers,</span></span></span></span></div></div><div data-zone-id="0" data-line-index="1" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div style="text-indent: 2em; font-size: 14px;" class="text-indent" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">I hope this message finds you well.</span></span></span></span></div></div><div data-zone-id="0" data-line-index="2" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div style="text-indent: 2em; font-size: 14px;" class="text-indent" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">I am submitting a patch to add support for the Yunsilicon RoCE (xscale) network adapter to MVAPICH2 version 2.3.7. This patch enables MVAPICH2 to properly detect and utilize Yunsilicon RDMA devices through the existing InfiniBand/RoCE stack.</span></span></span></span></div></div><div data-zone-id="0" data-line-index="3" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div style="text-indent: 2em; font-size: 14px;" class="text-indent" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">The modification has been verified on our internal clusters using both MPI microbenchmarks and real-world applications, and it shows correct functionality and performance comparable to existing Mellanox devices.</span></span></span></span></div></div><div data-zone-id="0" data-line-index="4" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div dir="auto" style="font-size: 14px;"><br></div></div><div data-zone-id="0" data-line-index="5" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div style="text-indent: 2em; font-size: 14px;" class="text-indent" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">Please find the attached patch:</span></span></span></span></div></div><div start="1" style="margin: 0px 0px 0px 24px; padding-left: 0px;"><div class="temp-li indent1 font-size-14px text-indent" data-li-line="true" data-list="indent1" style="line-height: 1.6; margin-top: 4px; margin-bottom: 4px; padding-left: 0px; font-size: 14px; font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; text-indent: 2em;" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">0001-yunsilicon-RoCE-Card-xscale-adapt-mvapich2-2.3.7.patch</span></span></span></span></div></div><div data-zone-id="0" data-line-index="7" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div dir="auto" style="font-size: 14px;"><br></div></div><div data-zone-id="0" data-line-index="8" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div style="text-indent: 2em; font-size: 14px;" class="text-indent" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">Summary of changes:</span></span></span></span></div></div><div start="1" style="margin: 0px 0px 0px 24px; padding-left: 0px;"><div class="temp-li indent1 font-size-14px text-indent" data-li-line="true" data-list="indent1" style="line-height: 1.6; margin-top: 4px; margin-bottom: 4px; padding-left: 0px; font-size: 14px; font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; text-indent: 2em;" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">- Added detection for Yunsilicon xscale RoCE devices.</span></span></span></span></div><div class="temp-li indent1 font-size-14px text-indent" data-li-line="true" data-list="indent1" style="line-height: 1.6; margin-top: 4px; margin-bottom: 4px; padding-left: 0px; font-size: 14px; font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; text-indent: 2em;" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">- Integrated vendor-specific handling into the verbs provider path.</span></span></span></span></div><div class="temp-li indent1 font-size-14px text-indent" data-li-line="true" data-list="indent1" style="line-height: 1.6; margin-top: 4px; margin-bottom: 4px; padding-left: 0px; font-size: 14px; font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"; text-indent: 2em;" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">- Ensured backward compatibility with other vendors.</span></span></span></span></div><div class="temp-li indent1 text-indent" data-li-line="true" data-list="indent1" style="line-height: 1.6; margin-top: 4px; margin-bottom: 4px; padding-left: 0px; text-indent: 2em; font-size: 14px;" dir="auto"><br></div></div><div data-zone-id="0" data-line-index="13" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div style="text-indent: 2em; font-size: 14px;" class="text-indent" dir="auto"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">I would be grateful if you could review this patch and consider merging it into the official MVAPICH2 release.If any additional testing, documentation, or code refactoring is needed before acceptance, I would be glad to assist.</span></span></span></span></div></div><div data-zone-id="0" data-line-index="14" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div dir="auto" style="font-size: 14px;"><br></div></div><div data-zone-id="0" data-line-index="15" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div dir="auto" style="font-size: 14px;"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">Best regards,</span></span></span></span></div></div><div data-zone-id="0" data-line-index="16" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div dir="auto" style="font-size: 14px;"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">From lijun,</span></span></span></span></div></div><div data-zone-id="0" data-line-index="17" data-line="true" style="margin-top: 4px; margin-bottom: 4px; line-height: 1.6;"><div dir="auto" style="font-size: 14px;"><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="color: rgb(31, 35, 41);"><span style="background-color: rgb(255, 255, 255);">Company:Yunsilicon, </span></span></span></span><span style="font-size: 14px;"><span style="font-family: LarkHackSafariFont, LarkEmojiFont, LarkChineseQuote, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Tahoma, "PingFang SC", "Microsoft Yahei", Arial, "Hiragino Sans GB", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";"><span style="background-color: rgb(255, 255, 255);"><a class="not-doclink" href="https://urldefense.com/v3/__https://www.yunsilicon.com/__;!!KGKeukY!3tCuBVTyyiIYQSXyl4F6hCaVcDyM9C7CWytW_ZUiMJ2YCKylC_SwT5hHa0JxDlXiNnYcs2R8aFOAG-BB2g$" linkid="9Grp10imU3" target="_blank" rel="noopener noreferrer" style="transition: color 0.3s; cursor: pointer; text-decoration: none; color: rgb(20, 86, 240);">https://www.yunsilicon.com/</a></span></span></span></div></div></div>