diff --git a/tools/msccl-algorithms/allgather-allpairs-8n-ll.xml b/tools/msccl-algorithms/allgather-allpairs-8n-ll.xml
deleted file mode 100644
index 29152f03e8..0000000000
--- a/tools/msccl-algorithms/allgather-allpairs-8n-ll.xml
+++ /dev/null
@@ -1,242 +0,0 @@
-<algo name="allgather_allpairs" proto="LL" nchannels="1" nchunksperloop="8" ngpus="8" coll="allgather" inplace="1" outofplace="0" minBytes="1" maxBytes="327680">
-  <gpu id="0" i_chunks="0" o_chunks="8" s_chunks="0">
-    <tb id="0" send="1" recv="1" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="1" send="2" recv="2" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="2" send="3" recv="3" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="3" send="4" recv="4" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="4" send="5" recv="5" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="5" send="6" recv="6" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="6" send="7" recv="7" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-  </gpu>
-  <gpu id="1" i_chunks="0" o_chunks="8" s_chunks="0">
-    <tb id="0" send="0" recv="0" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="1" send="2" recv="2" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="2" send="3" recv="3" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="3" send="4" recv="4" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="4" send="5" recv="5" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="5" send="6" recv="6" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="6" send="7" recv="7" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-  </gpu>
-  <gpu id="2" i_chunks="0" o_chunks="8" s_chunks="0">
-    <tb id="0" send="0" recv="0" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="1" send="1" recv="1" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="2" send="3" recv="3" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="3" send="4" recv="4" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="4" send="5" recv="5" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="5" send="6" recv="6" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="6" send="7" recv="7" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-  </gpu>
-  <gpu id="3" i_chunks="0" o_chunks="8" s_chunks="0">
-    <tb id="0" send="0" recv="0" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="1" send="1" recv="1" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="2" send="2" recv="2" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="3" send="4" recv="4" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="4" send="5" recv="5" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="5" send="6" recv="6" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="6" send="7" recv="7" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-  </gpu>
-  <gpu id="4" i_chunks="0" o_chunks="8" s_chunks="0">
-    <tb id="0" send="0" recv="0" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="1" send="1" recv="1" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="2" send="2" recv="2" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="3" send="3" recv="3" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="4" send="5" recv="5" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="5" send="6" recv="6" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="6" send="7" recv="7" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-  </gpu>
-  <gpu id="5" i_chunks="0" o_chunks="8" s_chunks="0">
-    <tb id="0" send="0" recv="0" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="1" send="1" recv="1" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="2" send="2" recv="2" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="3" send="3" recv="3" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="4" send="4" recv="4" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="5" send="6" recv="6" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="6" send="7" recv="7" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-  </gpu>
-  <gpu id="6" i_chunks="0" o_chunks="8" s_chunks="0">
-    <tb id="0" send="0" recv="0" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="1" send="1" recv="1" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="2" send="2" recv="2" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="3" send="3" recv="3" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="4" send="4" recv="4" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="5" send="5" recv="5" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="6" send="7" recv="7" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-  </gpu>
-  <gpu id="7" i_chunks="0" o_chunks="8" s_chunks="0">
-    <tb id="0" send="0" recv="0" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="1" send="1" recv="1" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="2" send="2" recv="2" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="2" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="3" send="3" recv="3" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="3" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="4" send="4" recv="4" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="4" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="5" send="5" recv="5" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="5" dstbuf="o" dstoff="5" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="6" send="6" recv="6" chan="0">
-      <step s="0" type="s" srcbuf="o" srcoff="7" dstbuf="o" dstoff="7" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-      <step s="1" type="r" srcbuf="o" srcoff="6" dstbuf="o" dstoff="6" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-  </gpu>
-</algo>