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    <div class="moz-cite-prefix"><br>
      Thanks for <span id="result_box" class="short_text" lang="en"><span
          class="">detailed response<br>
          <br>
          <br>
        </span></span>05.08.2016 17:26, Hal Rosenstock пишет:<br>
    </div>
    <blockquote
cite="mid:CAKzyTsypi4wu+0X5EPJGKw3hUOqREJKOq4Uyvpq=ye80=uJ_=Q@mail.gmail.com"
      type="cite">
      <div dir="ltr">Please read doc/qos-config.txt and IBA spec vol 1
        section <font face="Arial" size="3"><font face="Arial" size="3">7.6.9.2
            VL A</font></font><font face="Arial" size="1"><font
            face="Arial" size="1">RBITRATION </font></font><font
          face="Arial" size="3"><font face="Arial" size="3">W</font></font><font
          face="Arial" size="1"><font face="Arial" size="1">HEN </font></font><font
          face="Arial" size="3"><font face="Arial" size="3">M</font></font><font
          face="Arial" size="1"><font face="Arial" size="1">ULTIPLE </font></font><font
          face="Arial" size="3"><font face="Arial" size="3">D</font></font><font
          face="Arial" size="1"><font face="Arial" size="1">ATA </font></font><font
          face="Arial" size="3"><font face="Arial" size="3">VL </font></font><font
          face="Arial" size="1"><font face="Arial" size="1">S </font></font><font
          face="Arial" size="3"><font face="Arial" size="3">A</font></font><font
          face="Arial" size="1"><font face="Arial" size="1">RE </font></font><font
          face="Arial" size="3"><font face="Arial" size="3">I</font></font><font
          face="Arial" size="1"><font face="Arial" size="1">MPLEMENTED</font></font>
        <div><font size="1"><br>
          </font></div>
        <div><font size="1">It's max_vls parameter which relates to VLs
            (and hence buffers).</font></div>
        <div><font size="1"><br>
          </font></div>
        <div><font size="1">These parameters are for the VL arbitration.
            A weight of 0 means skip entry.</font></div>
        <div><font size="1"><br>
          </font></div>
        <div><font size="1">Since t2q assigns qos-level to group of 4
            VLs, I think weighting should be same on those VLs.</font></div>
        <div><font size="1"><br>
          </font></div>
        <div><font size="1">I also would try not to have some VL hog the
            arbitration so I'd use small weights.</font></div>
        <div><font size="1"><br>
          </font></div>
        <div><font size="1">So something like:</font></div>
        <div><font size="1"><br>
          </font></div>
        <div><font size="1">qos_ca_max_vls 1</font></div>
        <div><font size="1"><font size="3">qos_ca_vlarb_high
              0:4,1:4,2:0,3:0,4:0,5:0,6:0,7:0</font><br>
            <span
              style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">qos</span></span><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">_ca_</span>vlarb_low 
                0:4,1:4,2:0,3:0,</span></span><span
              style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">4:0,</span>5:0,6:0,7:<wbr>0        
              </span><br>
            </span></font></div>
        <div><font size="1"><br>
          </font></div>
        <div><font size="1">qos_swe_max_vls 4</font></div>
        <div><font size="1"><font size="3">qos_swe_vlarb_high<b>
                0:4,1:4,2:4,3:4</b>,4:0,5:0,6:0,7:0</font><br>
            <span
              style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">qos</span></span><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">_</span></span></span><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">swe</span></span>_</span>vlarb_low 
                  <b>0:4,1:4,2:4,3:4</b>,</span></span><span
                style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">4:0,</span>5:0,6:0,7:<wbr>0</span></span></span></font></div>
        <div><font size="1"><span
              style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><br>
                </span></span></span></font></div>
        <div><font size="1"><span
              style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">if
                  you want to use both high and low priority VL
                  Arbitration but you could probably also only use the
                  low or high priority VL arbitration too. I haven't
                  played with all the variations for this but the
                  general principles of how t2q uses QoS are expressed
                  above.</span></span></span></font></div>
        <div style="text-align:right"><font size="1"><br>
          </font></div>
        <div style="text-align:right"><font size="1"><br>
          </font></div>
        <div style="text-align:right"><font size="1"><br>
          </font></div>
        <div><font size="1"><br>
          </font></div>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Fri, Aug 5, 2016 at 9:43 AM, Black.S
          <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:Black.S52@yandex.com" target="_blank">Black.S52@yandex.com</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div bgcolor="#FFFFFF" text="#000000">
              <div>Thanks for reply <br>
                I use only one QoS level.<br>
                Correct me please. <br>
                <br>
                1) Is that config is right for 3D torus ?<br>
                <br>
                <span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium">   

                  qos_ca_vlarb_high 0:4,1:0,2:0,3:0,4:0,5:0,6:0,7:<wbr>0<br>
                </span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">   

                    qos</span></span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">_ca_</span>vlarb_low 

                    0:4,1:4,2:0,3:0,</span></span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">4:0,</span>5:0,6:0,7:<wbr>0
                  </span><br>
                  <br>
                </span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">   

                    qos_swe_vlarb_high<b> </b></span></span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium">0:4,1:0,2:0,3:0</span><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><b><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">,</span></b>4:0,5:0,6:0,7:<wbr>0
                        # because Torus use VL0-3<br>
                  </span><span
                    style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">   

                      qos</span></span><span
                    style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">_</span></span></span></span><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">swe</span></span>_</span>vlarb_low 

                    </span></span></span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">0:4,1:4,2:0,3:0,</span></span><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"></span></span></span></span></span><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">4:0,</span>5:0,6:0,7:<wbr>0</span></span><br>
                  <br>
                  or </span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">this

                  </span>right  ?<br>
                </span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">   

                    qos_vlarb_high </span></span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><b>0:4,1:4,2:4,3:4</b>,</span></span></span></span>4:0,5:0,6:0,7:<wbr>0<br>
                  </span><span
                    style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">   

                      qos_vlarb_low  </span></span></span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><b>0:4,1:4,2:4,3:4</b>,</span></span></span></span></span></span><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">4:0,</span>5:0,6:0,7:<wbr>0
                    </span><br>
                  </span></span><br>
                <span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">   

                        qos_swe_vlarb_high<b> 0:4,1:4,2:4,3:4</b>,4:0,5:0,6:0,7:<wbr>0
                            # because Torus use VL0-3<br>
                      </span><span
                        style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">   

                          qos</span></span><span
                        style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">_</span></span></span></span><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">swe</span></span>_</span>vlarb_low 

                          <b>0:4,1:4,2:4,3:4</b>,</span></span><span
                        style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">4:0,</span>5:0,6:0,7:<wbr>0</span></span></span>
                  </span>2) <br>
                  <br>
                  <br>
                  2) </span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
                    lang="en"><span>And still Which weight </span></span>prefer
                  for VL0-3 ? Why not prefer weight 255 ?<br>
                  <br>
                  Or </span><span
                  style="line-height:normal;font-family:arial,sans-serif;font-size:medium"><span
                    lang="en"><span>perhaps</span> <span>that</span> <span>I</span>
                    <span>do not understand ?</span></span> <br>
                  <br>
                  Thanks all<br>
                  <br>
                  <br>
                </span>04.08.2016 20:26, Hal Rosenstock пишет:<br>
              </div>
              <div>
                <div class="h5">
                  <blockquote type="cite">
                    <div dir="ltr">
                      <div>On links between end ports and peer switch,
                        only 2 VLs max are needed (depending on whether
                        1 or 2 QoS levels are in use). Interswitch links
                        require 4 VLs per QoS level.</div>
                      <div><br>
                      </div>
                      <div>With the config you are using, t2q is only
                        warning that resources (buffers) are being
                        wasted on unused VLs. It's up to you whether to
                        do more config of QoS to get better buffer use
                        and eliminate this warning message.</div>
                    </div>
                    <div class="gmail_extra"><br>
                      <div class="gmail_quote">On Thu, Aug 4, 2016 at
                        12:09 PM, B S <span dir="ltr"><<a
                            moz-do-not-send="true"
                            href="mailto:black.s52@yandex.com"
                            target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:black.s52@yandex.com">black.s52@yandex.com</a></a>></span>
                        wrote:<br>
                        <blockquote class="gmail_quote"
                          style="margin:0px 0px 0px
0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid">
                          <div><span
style="font-family:inherit;font-size:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit">Hello

                              all</span><br>
                          </div>
                          <div><span
style="font-family:inherit;font-size:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit">I
                              can't understand some torus2q options.May
                              be anybody explain me ?</span></div>
                          <div><span
style="font-family:inherit;font-size:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit">In

                              the Internet I found some options for
                              torus</span></div>
                          <div><span
style="font-family:inherit;font-size:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit"><br>
                            </span></div>
                          <div><span
                              style="line-height:normal;font-family:arial,sans-serif;font-size:medium">qos_max_vls

                              8       # its clear for use 8 vl</span><br
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">
                            <span
                              style="line-height:normal;font-family:arial,sans-serif;font-size:medium">qos_high_limit

                              0.   # its cleasr for processing only 1
                              message in high table </span><br
                              style="line-height:normal;font-family:arial,sans-serif;font-size:medium">
                            <span
                              style="line-height:normal;font-family:arial,sans-serif;font-size:medium">qos_vlarb_low

                              0:4,1:4,2:0,3:0,5:0,6:0,7:0 </span><br
                              style="line-height:normal;font-family:arial,sans-serif;font-size:medium">
                            <span
                              style="line-height:normal;font-family:arial,sans-serif;font-size:medium">qos_vlarb_high

                              0:4,1:0,2:0,3:0,4:0,5:0,6:0,7:<wbr>0</span><br
style="line-height:normal;font-family:arial,sans-serif;font-size:medium">
                            <br>
                          </div>
                          <div>If I leave this options by default,
                            opensm get warning </div>
                          <div>"<span style="line-height:normal;font-family:inherit;font-size:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;white-space:pre-wrap">Warning: torus-2QoS recommends 0 VLarb weights </span></div>
                          <div><span style="line-height:normal;font-family:inherit;font-size:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;white-space:pre-wrap"></span><span style="line-height:normal;font-family:inherit;font-size:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;white-space:pre-wrap">for VLs 2-7 on endpoint links; not true ..."</span></div>
                          <div><span style="line-height:normal;font-family:inherit;font-size:inherit;font-style:inherit;font-variant:inherit;font-weight:inherit;white-space:pre-wrap">
</span></div>
                          <div>Sorry for more questions. I can't found
                            answer in internet.</div>
                          <div><br>
                          </div>
                          <div>1) Why I can't leave this tables (
                            vlarb_high, vlarb_low) by default ? Who in
                            routing engine torus2q and how  use this
                            table ?</div>
                          <div>2) Why used only vl0 and vl1. In manual
                            about Torus2q use 0-3 and 4-7 VLs ?</div>
                          <div><font face="arial, sans-serif" size="3"><span
                                style="line-height:normal">3) I can't
                                understand why used weight 4 but not for
                                example 64 or 255 ?</span></font></div>
                          <div><font face="arial, sans-serif" size="3"><span
                                style="line-height:normal">4) Why I
                                should write this table for extended ca,
                                swe, etc. separately </span></font></div>
                          <div><font face="arial, sans-serif" size="3"><span
                                style="line-height:normal"> </span></font></div>
                          <div><font face="arial, sans-serif" size="3"><span
                                style="line-height:normal">May be
                                somebody have links about this theme ? </span></font></div>
                          <div><font face="arial, sans-serif" size="3"><span
                                style="line-height:normal">Thanks for
                                you interest and time </span></font></div>
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