diff --git a/tools/msccl-algorithms/alltoall-8n-0-1kb.xml b/tools/msccl-algorithms/alltoall-8n-0-9kb.xml
similarity index 99%
rename from tools/msccl-algorithms/alltoall-8n-0-1kb.xml
rename to tools/msccl-algorithms/alltoall-8n-0-9kb.xml
index 7d3a57cb35..b2f388aaa6 100644
--- a/tools/msccl-algorithms/alltoall-8n-0-1kb.xml
+++ b/tools/msccl-algorithms/alltoall-8n-0-9kb.xml
@@ -1,6 +1,6 @@
 <!-- Copyright (c) Microsoft Corporation. -->
 <!-- Licensed under the MIT License. -->
-<algo name="alltoall_llm" proto="LL" nchannels="1" nchunksperloop="8" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="0" maxBytes="1023">
+<algo name="alltoall_llm" proto="LL" nchannels="1" nchunksperloop="8" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="0" maxBytes="9216">
   <gpu id="0" i_chunks="8" o_chunks="8" s_chunks="0">
     <tb id="0" send="-1" recv="-1" chan="0">
       <step s="0" type="cpy" srcbuf="i" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
diff --git a/tools/msccl-algorithms/alltoall-8n-8kb-1mb.xml b/tools/msccl-algorithms/alltoall-8n-190kb-512kb.xml
similarity index 99%
rename from tools/msccl-algorithms/alltoall-8n-8kb-1mb.xml
rename to tools/msccl-algorithms/alltoall-8n-190kb-512kb.xml
index 5817737540..cee7c6862e 100644
--- a/tools/msccl-algorithms/alltoall-8n-8kb-1mb.xml
+++ b/tools/msccl-algorithms/alltoall-8n-190kb-512kb.xml
@@ -1,6 +1,6 @@
 <!-- Copyright (c) Microsoft Corporation. -->
 <!-- Licensed under the MIT License. -->
-<algo name="alltoall_llm" proto="LL" nchannels="4" nchunksperloop="32" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="8192" maxBytes="1048575">
+<algo name="alltoall_llm" proto="LL" nchannels="4" nchunksperloop="32" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="194561" maxBytes="524288">
   <gpu id="0" i_chunks="32" o_chunks="32" s_chunks="0">
     <tb id="0" send="-1" recv="-1" chan="0">
       <step s="0" type="cpy" srcbuf="i" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
diff --git a/tools/msccl-algorithms/alltoall-8n-4kb-8kb.xml b/tools/msccl-algorithms/alltoall-8n-4kb-8kb.xml
deleted file mode 100644
index 3de528f979..0000000000
--- a/tools/msccl-algorithms/alltoall-8n-4kb-8kb.xml
+++ /dev/null
@@ -1,740 +0,0 @@
-<!-- Copyright (c) Microsoft Corporation. -->
-<!-- Licensed under the MIT License. -->
-<algo name="alltoall_llm" proto="LL" nchannels="16" nchunksperloop="16" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="4096" maxBytes="8191">
-  <gpu id="0" i_chunks="16" o_chunks="16" s_chunks="0">
-    <tb id="0" send="-1" recv="-1" chan="0">
-      <step s="0" type="cpy" srcbuf="i" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="1" send="-1" recv="-1" chan="8">
-      <step s="0" type="cpy" srcbuf="i" srcoff="1" dstbuf="o" dstoff="1" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="2" send="-1" recv="1" chan="1">
-      <step s="0" type="r" srcbuf="i" srcoff="0" dstbuf="o" dstoff="2" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="3" send="-1" recv="1" chan="9">
-      <step s="0" type="r" srcbuf="i" srcoff="1" dstbuf="o" dstoff="3" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="4" send="-1" recv="2" chan="2">
-      <step s="0" type="r" srcbuf="i" srcoff="0" dstbuf="o" dstoff="4" cnt="1" depid="-1" deps="-1" hasdep="0"/>
-    </tb>
-    <tb id="5" send="-1" recv="2" chan="10">
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-    </tb>
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-    </tb>
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-    </tb>
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-  </gpu>
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-    </tb>
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-    </tb>
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-      <step s="0" type="s" srcbuf="i" srcoff="12" dstbuf="o" dstoff="14" cnt="1" depid="-1" deps="-1" hasdep="0"/>
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-    <tb id="29" send="6" recv="-1" chan="15">
-      <step s="0" type="s" srcbuf="i" srcoff="13" dstbuf="o" dstoff="15" cnt="1" depid="-1" deps="-1" hasdep="0"/>
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diff --git a/tools/msccl-algorithms/alltoall-8n-1mb-4mb.xml b/tools/msccl-algorithms/alltoall-8n-512kb-7mb.xml
similarity index 99%
rename from tools/msccl-algorithms/alltoall-8n-1mb-4mb.xml
rename to tools/msccl-algorithms/alltoall-8n-512kb-7mb.xml
index f2f7076545..9646f270fe 100644
--- a/tools/msccl-algorithms/alltoall-8n-1mb-4mb.xml
+++ b/tools/msccl-algorithms/alltoall-8n-512kb-7mb.xml
@@ -1,6 +1,6 @@
 <!-- Copyright (c) Microsoft Corporation. -->
 <!-- Licensed under the MIT License. -->
-<algo name="alltoall_llm" proto="Simple" nchannels="32" nchunksperloop="32" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="1048576" maxBytes="4194303">
+<algo name="alltoall_llm" proto="Simple" nchannels="32" nchunksperloop="32" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="524289" maxBytes="7340032">
   <gpu id="0" i_chunks="32" o_chunks="32" s_chunks="0">
     <tb id="0" send="-1" recv="-1" chan="0">
       <step s="0" type="cpy" srcbuf="i" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
diff --git a/tools/msccl-algorithms/alltoall-8n-4mb-16mb.xml b/tools/msccl-algorithms/alltoall-8n-7mb-43mb.xml
similarity index 99%
rename from tools/msccl-algorithms/alltoall-8n-4mb-16mb.xml
rename to tools/msccl-algorithms/alltoall-8n-7mb-43mb.xml
index f50bced233..fdd6dd0cc3 100644
--- a/tools/msccl-algorithms/alltoall-8n-4mb-16mb.xml
+++ b/tools/msccl-algorithms/alltoall-8n-7mb-43mb.xml
@@ -1,6 +1,6 @@
 <!-- Copyright (c) Microsoft Corporation. -->
 <!-- Licensed under the MIT License. -->
-<algo name="alltoall_llm" proto="Simple" nchannels="8" nchunksperloop="64" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="4194303" maxBytes="16777216">
+<algo name="alltoall_llm" proto="Simple" nchannels="8" nchunksperloop="64" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="7340033" maxBytes="45088768">
   <gpu id="0" i_chunks="64" o_chunks="64" s_chunks="0">
     <tb id="0" send="-1" recv="-1" chan="0">
       <step s="0" type="cpy" srcbuf="i" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>
diff --git a/tools/msccl-algorithms/alltoall-8n-1kb-4kb.xml b/tools/msccl-algorithms/alltoall-8n-9kb-190kb.xml
similarity index 99%
rename from tools/msccl-algorithms/alltoall-8n-1kb-4kb.xml
rename to tools/msccl-algorithms/alltoall-8n-9kb-190kb.xml
index da81f463b9..d1e0b22d78 100644
--- a/tools/msccl-algorithms/alltoall-8n-1kb-4kb.xml
+++ b/tools/msccl-algorithms/alltoall-8n-9kb-190kb.xml
@@ -1,6 +1,6 @@
 <!-- Copyright (c) Microsoft Corporation. -->
 <!-- Licensed under the MIT License. -->
-<algo name="alltoall_llm" proto="LL" nchannels="2" nchunksperloop="16" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="1024" maxBytes="4095">
+<algo name="alltoall_llm" proto="LL" nchannels="2" nchunksperloop="16" ngpus="8" coll="alltoall" inplace="0" outofplace="1" minBytes="9217" maxBytes="194560">
   <gpu id="0" i_chunks="16" o_chunks="16" s_chunks="0">
     <tb id="0" send="-1" recv="-1" chan="0">
       <step s="0" type="cpy" srcbuf="i" srcoff="0" dstbuf="o" dstoff="0" cnt="1" depid="-1" deps="-1" hasdep="0"/>