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tud-zih-energy
Slurm
Commits
6d089531
Commit
6d089531
authored
16 years ago
by
Moe Jette
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Update task affinity information with respect to plane distribution
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5ff60e5a
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doc/html/dist_plane.shtml
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-14
20 additions, 14 deletions
doc/html/dist_plane.shtml
doc/html/plane_ex5.gif
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doc/html/plane_ex5.gif
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doc/html/dist_plane.shtml
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View file @
6d089531
...
@@ -14,7 +14,7 @@ where <i>plane_size</i> is the requested plane/block size.
...
@@ -14,7 +14,7 @@ where <i>plane_size</i> is the requested plane/block size.
<p>In the examples below we assume we have 21 tasks and that the
<p>In the examples below we assume we have 21 tasks and that the
task list is: 0, 1, 2, 3, 4, ..., 19, 20.
task list is: 0, 1, 2, 3, 4, ..., 19, 20.
<p>On <u>One (1)</u> node: <i>srun -N 1-1 -n 21 -m plane=4
-s
<...></i>.
<p>On <u>One (1)</u> node: <i>srun -N 1-1 -n 21 -m plane=4 <...></i>.
<p>The distribution results in a plane distribution with plane_size 21.
<p>The distribution results in a plane distribution with plane_size 21.
Even thought the user specified a plane_size of 4 the final plane
Even thought the user specified a plane_size of 4 the final plane
...
@@ -23,10 +23,10 @@ distribution results in a plane_size of 21.
...
@@ -23,10 +23,10 @@ distribution results in a plane_size of 21.
<p>
<p>
<center>
<center>
<img src="plane_ex1.gif">
<img src="plane_ex1.gif">
<p>Figure 1: Process layout for <i>srun -N 1-1 -n 21 -m plane=4
-s
<...></i>
<p>Figure 1: Process layout for <i>srun -N 1-1 -n 21 -m plane=4 <...></i>
</center>
</center>
<p>On <u>four (4)</u> nodes: <i>srun -N 4-4 -n 21 -m plane=4
-s
<...></i>.
<p>On <u>four (4)</u> nodes: <i>srun -N 4-4 -n 21 -m plane=4 <...></i>.
<p>The plane distribution with a plane_size of 4 results in the
<p>The plane distribution with a plane_size of 4 results in the
following allocation of the task ids:
following allocation of the task ids:
...
@@ -34,10 +34,10 @@ following allocation of the task ids:
...
@@ -34,10 +34,10 @@ following allocation of the task ids:
<p>
<p>
<center>
<center>
<img src="plane_ex2.gif">
<img src="plane_ex2.gif">
<p>Figure 2: Process layout for <i>srun -N 4-4 -n 21 -m plane=4
-s
<...> </i>
<p>Figure 2: Process layout for <i>srun -N 4-4 -n 21 -m plane=4 <...> </i>
</center>
</center>
<p>On <u>four (4)</u> nodes: <i>srun -N 4-4 -n 21 -m plane=2
-s
<...>
<p>On <u>four (4)</u> nodes: <i>srun -N 4-4 -n 21 -m plane=2 <...>
</i>.
</i>.
<p>The plane distribution with a plane_size of 2 results in the
<p>The plane distribution with a plane_size of 2 results in the
...
@@ -46,7 +46,7 @@ following allocation of the task ids:
...
@@ -46,7 +46,7 @@ following allocation of the task ids:
<p>
<p>
<center>
<center>
<img src="plane_ex3.gif">
<img src="plane_ex3.gif">
<p>Figure 3: Process layout for <i>srun -N 4-4 -n 21 -m plane=2
-s
<...></i>
<p>Figure 3: Process layout for <i>srun -N 4-4 -n 21 -m plane=2 <...></i>
</center>
</center>
<p class="footer"><a href="#top">top</a></p>
<p class="footer"><a href="#top">top</a></p>
...
@@ -112,38 +112,44 @@ affinity enabled</h3>
...
@@ -112,38 +112,44 @@ affinity enabled</h3>
<p>In the examples below we assume we have 21 tasks and that the
<p>In the examples below we assume we have 21 tasks and that the
task list is: 0, 1, 2, 3, 4, ..., 19, 20.
task list is: 0, 1, 2, 3, 4, ..., 19, 20.
<p>On <u>One (1)</u> node: <i>srun -N 1-1 -n 21 -m plane=4 -s <...></i>.
<p>On <u>One (1)</u> node:
<i>srun -N 1-1 -n 21 -m plane=4 --cpu_bind=core <...></i>.
Even thought the user specified a plane_size of 4 the final plane
Even thought the user specified a plane_size of 4 the final plane
distribution results in a plane distribution with plane_size=8.
distribution results in a plane distribution with plane_size=8.
<p>
<p>
<center>
<center>
<img src="plane_ex5.gif">
<img src="plane_ex5.gif">
<p>Figure 5: Process layout for <i>srun -N 1-1 -n 21 -m plane=4 -s <...></i>.
<p>Figure 5: Process layout for
<i>srun -N 1-1 -n 21 -m plane=4 --cpu_bind=core <...></i>.
</center>
</center>
<p>On <u>four (4)</u> nodes: <i>srun -N 4-4 -n 21 -m plane=4 -s <...>
<p>On <u>four (4)</u> nodes:
</i>. The plane distribution with a plane_size of 4 results in the
<i>srun -N 4-4 -n 21 -m plane=4 --cpu_bind=core <...></i>.
The plane distribution with a plane_size of 4 results in the
following allocation of the task ids:
following allocation of the task ids:
<p>
<p>
<center>
<center>
<img src="plane_ex6.gif" width=600>
<img src="plane_ex6.gif" width=600>
<p>Figure 6: Process layout for <i>srun -N 4-4 -n 21 -m plane=4 -s <...></i>.
<p>Figure 6: Process layout for
<i>srun -N 4-4 -n 21 -m plane=4 --cpu_bind=core <...></i>.
</center>
</center>
<p>On <u>four (4)</u> nodes: <i>srun -N 4-4 -n 21 -m plane=2 -s <...>
<p>On <u>four (4)</u> nodes:
<i>srun -N 4-4 -n 21 -m plane=2 --cpu_bind=core <...>
</i>. The plane distribution with a plane_size of 2 results in the
</i>. The plane distribution with a plane_size of 2 results in the
following allocation of the task ids:
following allocation of the task ids:
<p>
<p>
<center>
<center>
<img src="plane_ex7.gif" width=600>
<img src="plane_ex7.gif" width=600>
<p>Figure 7: Process layout for <i>srun -N 4-4 -n 21 -m plane=2 -s <...></i>.
<p>Figure 7: Process layout for
<i>srun -N 4-4 -n 21 -m plane=2 --cpu_bind=core <...></i>.
</center>
</center>
<p class="footer"><a href="#top">top</a></p>
<p class="footer"><a href="#top">top</a></p>
<p style="text-align:center;">Last modified 1
2 October
200
6
</p>
<p style="text-align:center;">Last modified 1
April
200
9
</p>
<!--#include virtual="footer.txt"-->
<!--#include virtual="footer.txt"-->
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