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<strong style="box-sizing: border-box; font-weight: 600;">Endpoint Types</strong></th>


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gni</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


nd</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


psm2</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


rxd</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


rxm</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


shm</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


tcp</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


udp</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


verbs</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


efa</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


usnic</th>


<th style="box-sizing: border-box; padding: 6px 13px; font-weight: 600; border: 1px solid var(--color-border-default);" align="center">


psm3</th>


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</thead>


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<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);">


<code style="box-sizing: border-box; font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace; font-size: 13.6px; padding: 0.2em 0.4em; margin: 0px; background-color: var(--color-neutral-muted); border-radius: 6px;">FI_EP_DGRAM</code></td>


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✓</td>


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<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


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✓</td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


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<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


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<br>


</td>


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✓</td>


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*</td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


✓</td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


✓</td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


✓</td>


</tr>


<tr style="box-sizing: border-box; background-color: var(--color-canvas-subtle); border-top: 1px solid var(--color-border-muted);">


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);">


<code style="box-sizing: border-box; font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace; font-size: 13.6px; padding: 0.2em 0.4em; margin: 0px; background-color: var(--color-neutral-muted); border-radius: 6px;">FI_EP_MSG</code></td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


✓</td>


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✓</td>


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<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


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<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


✓</td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


✓</td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


<td style="box-sizing: border-box; padding: 6px 13px; border: 1px solid var(--color-border-default);" align="center">


<img class="emoji" title=":x:" alt=":x:" data-canonical-src="https://github.githubassets.com/images/icons/emoji/unicode/274c.png" style="box-sizing: content-box; border-style: none; max-width: none; background-color: transparent; vertical-align: text-top;" width="20" height="20" align="absmiddle" src="https://camo.githubusercontent.com/4c3daa36378752669860acf5fe467772acd2d3651f7f341a412b6bec0e5250f9/68747470733a2f2f6769746875622e6769746875626173736574732e636f6d2f696d616765732f69636f6e732f656d6f6a692f756e69636f64652f323734632e706e67"></td>


</tr>


</tbody>


</table>


<p></p>


<p>>></p>


<p><font size="2"><span style="font-size:10pt;">Rxm will layer over verbs and tcp, but not gni.  Rxm layers over msg endpoints (this is what the 'm' stands for).<br>


You should be able to test FI_COLLECTIVE over either of those two.</span></font></p>


<p><<</p>


<p><br>


</p>


<p>why not gni? it supports FI_EP_MSG doesn't it? How does one know if rxm is supported or not if we ignore the FI_EP_MSG entry?</p>


<p><br>


</p>


<p>JB<br>


</p>


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