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Fix samples/simple internal and external docs.

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Salvatore Filippone
2021-07-15 11:59:34 +02:00
parent 94ca610bff
commit aba9b29717
15 changed files with 663 additions and 644 deletions
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docs/html/userhtmlsu7.html
+17 -17
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@@ -10,7 +10,7 @@
<link rel="stylesheet" type="text/css" href="userhtml.css">
</head><body
>
<!--l. 420--><div class="crosslinks"><p class="noindent"><span
<!--l. 424--><div class="crosslinks"><p class="noindent"><span
class="cmr-12">[</span><a
href="userhtmlsu6.html" ><span
class="cmr-12">prev</span></a><span
@@ -28,7 +28,7 @@ class="cmr-12">] </span></p></div>
class="cmr-12">4.2 </span></span> <a
id="x16-150004.2"></a><span
class="cmr-12">GPU example</span></h4>
<!--l. 422--><p class="noindent" ><span
<!--l. 426--><p class="noindent" ><span
class="cmr-12">The code discussed here shows how to set up a program exploiting the combined GPU</span>
<span
class="cmr-12">capabilities of PSBLAS and AMG4PSBLAS. The code example is available in the</span>
@@ -36,14 +36,14 @@ class="cmr-12">capabilities of PSBLAS and AMG4PSBLAS. The code example is availa
class="cmr-12">source distribution directory </span><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">amg4psblas/examples/gpu</span></span></span><span
class="cmr-12">.</span>
<!--l. 427--><p class="indent" > <span
<!--l. 431--><p class="indent" > <span
class="cmr-12">First of all, we need to include the appropriate modules and declare some auxiliary</span>
<span
class="cmr-12">variables:</span>
<!--l. 429--><p class="indent" > <a
<!--l. 433--><p class="indent" > <a
id="x16-15001r5"></a><hr class="float"><div class="float"
>
@@ -51,7 +51,7 @@ class="cmr-12">variables:</span>
<div class="center"
>
<!--l. 448--><p class="noindent" >
<!--l. 452--><p class="noindent" >
<div class="minipage"><pre class="verbatim" id="verbatim-10">
program&#x00A0;amg_dexample_gpu
&#x00A0;&#x00A0;use&#x00A0;psb_base_mod
@@ -69,7 +69,7 @@ program&#x00A0;amg_dexample_gpu
&#x00A0;&#x00A0;type(psb_i_vect_gpu)&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;::&#x00A0;igmold
&#x00A0;
</pre>
<!--l. 467--><p class="nopar" ></div></div>
<!--l. 471--><p class="nopar" ></div></div>
<br /> <div class="caption"
><span class="id">Listing 5: </span><span
class="content">setup of a GPU-enabled test program part one.</span></div><!--tex4ht:label?: x16-15001r5 -->
@@ -77,7 +77,7 @@ class="content">setup of a GPU-enabled test program part one.</span></div><!--te
</div><hr class="endfloat" />
<!--l. 474--><p class="indent" > <span
<!--l. 478--><p class="indent" > <span
class="cmr-12">In this particular example we are choosing to employ a </span><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">HLG</span></span></span> <span
class="cmr-12">data structure for</span>
@@ -85,7 +85,7 @@ class="cmr-12">data structure for</span>
class="cmr-12">sparse matrices on GPUs; for more information please refer to the PSBLAS-EXT users&#8217;</span>
<span
class="cmr-12">guide.</span>
<!--l. 478--><p class="indent" > <span
<!--l. 482--><p class="indent" > <span
class="cmr-12">We then have to initialize the GPU environment, and pass the appropriate MOLD</span>
<span
class="cmr-12">variables to the build methods (see also the PSBLAS and PSBLAS-EXT users&#8217;</span>
@@ -94,7 +94,7 @@ class="cmr-12">guides).</span>
<!--l. 481--><p class="indent" > <a
<!--l. 485--><p class="indent" > <a
id="x16-15002r6"></a><hr class="float"><div class="float"
>
@@ -102,7 +102,7 @@ class="cmr-12">guides).</span>
<div class="center"
>
<!--l. 497--><p class="noindent" >
<!--l. 501--><p class="noindent" >
<div class="minipage"><pre class="verbatim" id="verbatim-11">
&#x00A0;&#x00A0;call&#x00A0;psb_init(ctxt)
&#x00A0;&#x00A0;call&#x00A0;psb_info(ctxt,iam,np)
@@ -116,7 +116,7 @@ class="cmr-12">guides).</span>
&#x00A0;&#x00A0;call&#x00A0;prec%smoothers_build(a,desc_a,info,&#x00A0;amold=agmold,&#x00A0;vmold=vgmold,&#x00A0;imold=igmold)
&#x00A0;
</pre>
<!--l. 512--><p class="nopar" ></div></div>
<!--l. 516--><p class="nopar" ></div></div>
<br /> <div class="caption"
><span class="id">Listing 6: </span><span
class="content">setup of a GPU-enabled test program part two.</span></div><!--tex4ht:label?: x16-15002r6 -->
@@ -124,7 +124,7 @@ class="content">setup of a GPU-enabled test program part two.</span></div><!--te
</div><hr class="endfloat" />
<!--l. 519--><p class="indent" > <span
<!--l. 523--><p class="indent" > <span
class="cmr-12">Finally, we convert the input matrix, the descriptor and the vectors to use a</span>
<span
class="cmr-12">GPU-enabled internal storage format. We then preallocate the preconditioner</span>
@@ -135,7 +135,7 @@ class="cmr-12">GPU environment</span>
<!--l. 523--><p class="indent" > <a
<!--l. 527--><p class="indent" > <a
id="x16-15003r7"></a><hr class="float"><div class="float"
>
@@ -143,7 +143,7 @@ class="cmr-12">GPU environment</span>
<div class="center"
>
<!--l. 552--><p class="noindent" >
<!--l. 556--><p class="noindent" >
<div class="minipage"><pre class="verbatim" id="verbatim-12">
&#x00A0;&#x00A0;call&#x00A0;desc_a%cnv(mold=igmold)
&#x00A0;&#x00A0;call&#x00A0;a%cscnv(info,mold=agmold)
@@ -167,7 +167,7 @@ class="cmr-12">GPU environment</span>
&#x00A0;&#x00A0;stop
&#x00A0;
</pre>
<!--l. 579--><p class="nopar" ></div></div>
<!--l. 583--><p class="nopar" ></div></div>
<br /> <div class="caption"
><span class="id">Listing 7: </span><span
class="content">setup of a GPU-enabled test program part three.</span></div><!--tex4ht:label?: x16-15003r7 -->
@@ -175,7 +175,7 @@ class="content">setup of a GPU-enabled test program part three.</span></div><!--
</div><hr class="endfloat" />
<!--l. 587--><p class="indent" > <span
<!--l. 591--><p class="indent" > <span
class="cmr-12">It is very important to employ solvers that are suited to the GPU, i.e. solvers that</span>
<span
class="cmr-12">do NOT employ triangular system solve kernels. Solvers that satisfy this constraint</span>
@@ -193,7 +193,7 @@ class="cmtt-12">INVT</span></span></span>
</li>
<li class="itemize"><span class="obeylines-h"><span class="verb"><span
class="cmtt-12">AINV</span></span></span></li></ul>
<!--l. 596--><p class="noindent" ><span
<!--l. 600--><p class="noindent" ><span
class="cmr-12">and their </span><span
class="cmmi-12">&#x2113;</span><sub><span
class="cmr-8">1</span></sub> <span