mirror of
https://github.com/sfilippone/amg4psblas.git
synced 2026-10-18 11:52:12 +00:00
Add GPU references and example to docs: first round.
This commit is contained in:
Salvatore Filippone
+29
-31
@@ -3,8 +3,8 @@
|
||||
<html >
|
||||
<head><title>Adding new smoother and solver objects to AMG4PSBLAS</title>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
|
||||
<meta name="generator" content="TeX4ht (http://www.tug.org/tex4ht/)">
|
||||
<meta name="originator" content="TeX4ht (http://www.tug.org/tex4ht/)">
|
||||
<meta name="generator" content="TeX4ht (https://tug.org/tex4ht/)">
|
||||
<meta name="originator" content="TeX4ht (https://tug.org/tex4ht/)">
|
||||
<!-- html,3 -->
|
||||
<meta name="src" content="userhtml.tex">
|
||||
<link rel="stylesheet" type="text/css" href="userhtml.css">
|
||||
@@ -29,7 +29,7 @@ class="cmr-12">up</span></a><span
|
||||
class="cmr-12">] </span></p></div>
|
||||
<h3 class="sectionHead"><span class="titlemark"><span
|
||||
class="cmr-12">6 </span></span> <a
|
||||
id="x26-300006"></a><span
|
||||
id="x27-310006"></a><span
|
||||
class="cmr-12">Adding new smoother and solver objects to AMG4PSBLAS</span></h3>
|
||||
<!--l. 6--><p class="noindent" ><span
|
||||
class="cmr-12">Developers can add completely new smoother and/or solver classes derived from the</span>
|
||||
@@ -37,7 +37,7 @@ class="cmr-12">Developers can add completely new smoother and/or solver classes
|
||||
class="cmr-12">base objects in the library (see Remark</span><span
|
||||
class="cmr-12"> 2 in Section</span><span
|
||||
class="cmr-12"> </span><a
|
||||
href="userhtmlsu8.html#x18-170005.2"><span
|
||||
href="userhtmlsu9.html#x19-180005.2"><span
|
||||
class="cmr-12">5.2</span><!--tex4ht:ref: sec:precset --></a><span
|
||||
class="cmr-12">), without recompiling the</span>
|
||||
<span
|
||||
@@ -170,39 +170,39 @@ cellspacing="0" cellpadding="0"
|
||||
><colgroup id="TBL-22-1g"><col
|
||||
id="TBL-22-1"><col
|
||||
id="TBL-22-2"></colgroup><tr
|
||||
style="vertical-align:baseline;" id="TBL-22-1-"><td style="white-space:wrap; text-align:left;" id="TBL-22-1-1"
|
||||
style="vertical-align:baseline;" id="TBL-22-1-"><td style="white-space:normal; text-align:left;" id="TBL-22-1-1"
|
||||
class="td11"><!--l. 58--><p class="noindent" ><span class="lstinline"></span><span
|
||||
class="cmtt-12">smoother</span> </td><td style="white-space:wrap; text-align:left;" id="TBL-22-1-2"
|
||||
class="cmtt-12">smoother</span> </td><td style="white-space:normal; text-align:left;" id="TBL-22-1-2"
|
||||
class="td11"><!--l. 58--><p class="noindent" ><span class="lstinline"></span><span
|
||||
class="cmtt-12">class</span><span
|
||||
class="cmtt-12">(</span><span
|
||||
class="cmtt-12">amg_x_base_smoother_type</span><span
|
||||
class="cmtt-12">)</span> </td>
|
||||
</tr><tr
|
||||
style="vertical-align:baseline;" id="TBL-22-2-"><td style="white-space:wrap; text-align:left;" id="TBL-22-2-1"
|
||||
class="td11"><!--l. 59--><p class="noindent" > </td><td style="white-space:wrap; text-align:left;" id="TBL-22-2-2"
|
||||
style="vertical-align:baseline;" id="TBL-22-2-"><td style="white-space:normal; text-align:left;" id="TBL-22-2-1"
|
||||
class="td11"><!--l. 59--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-22-2-2"
|
||||
class="td11"><!--l. 59--><p class="noindent" ><span
|
||||
class="cmr-12">The user-defined new smoother to be employed in the</span>
|
||||
<span
|
||||
class="cmr-12">preconditioner.</span> </td>
|
||||
</tr><tr
|
||||
style="vertical-align:baseline;" id="TBL-22-3-"><td style="white-space:wrap; text-align:left;" id="TBL-22-3-1"
|
||||
style="vertical-align:baseline;" id="TBL-22-3-"><td style="white-space:normal; text-align:left;" id="TBL-22-3-1"
|
||||
class="td11"><!--l. 61--><p class="noindent" ><span class="lstinline"></span><span
|
||||
class="cmtt-12">solver</span> </td><td style="white-space:wrap; text-align:left;" id="TBL-22-3-2"
|
||||
class="cmtt-12">solver</span> </td><td style="white-space:normal; text-align:left;" id="TBL-22-3-2"
|
||||
class="td11"><!--l. 61--><p class="noindent" ><span class="lstinline"></span><span
|
||||
class="cmtt-12">class</span><span
|
||||
class="cmtt-12">(</span><span
|
||||
class="cmtt-12">amg_x_base_solver_type</span><span
|
||||
class="cmtt-12">)</span> </td>
|
||||
</tr><tr
|
||||
style="vertical-align:baseline;" id="TBL-22-4-"><td style="white-space:wrap; text-align:left;" id="TBL-22-4-1"
|
||||
class="td11"><!--l. 62--><p class="noindent" > </td><td style="white-space:wrap; text-align:left;" id="TBL-22-4-2"
|
||||
style="vertical-align:baseline;" id="TBL-22-4-"><td style="white-space:normal; text-align:left;" id="TBL-22-4-1"
|
||||
class="td11"><!--l. 62--><p class="noindent" > </td><td style="white-space:normal; text-align:left;" id="TBL-22-4-2"
|
||||
class="td11"><!--l. 62--><p class="noindent" ><span
|
||||
class="cmr-12">The user-defined new solver to be employed in the preconditioner.</span></td></tr></table></div></div>
|
||||
<!--l. 66--><p class="noindent" ><span
|
||||
class="cmr-12">The other arguments are defined in the way described in Sec.</span><span
|
||||
class="cmr-12"> </span><a
|
||||
href="userhtmlsu8.html#x18-170005.2"><span
|
||||
href="userhtmlsu9.html#x19-180005.2"><span
|
||||
class="cmr-12">5.2</span><!--tex4ht:ref: sec:precset --></a><span
|
||||
class="cmr-12">. As an example, in the</span>
|
||||
<span class="obeylines-h"><span class="verb"><span
|
||||
@@ -215,24 +215,22 @@ class="cmr-12">pass it as follows:</span>
|
||||
|
||||
|
||||
|
||||
<div class="verbatim" id="verbatim-10">
|
||||
 <br />  ! sparse matrix and preconditioner
|
||||
 <br />  type(psb_dspmat_type) :: a
|
||||
 <br />  type(amg_dprec_type)  :: prec
|
||||
 <br />  type(amg_d_tlu_solver_type) :: tlusv
|
||||
 <br />
|
||||
 <br />......
|
||||
 <br />  !
|
||||
 <br />  !  prepare the preconditioner: an ML with defaults, but with TLU solver at
|
||||
 <br />  !  intermediate levels. All other parameters are at default values.
|
||||
 <br />  !
|
||||
 <br />  call prec%init(’ML’,       info)
|
||||
 <br />  call prec%hierarchy_build(a,desc_a,info)
|
||||
 <br />  nlv = prec%get_nlevs()
|
||||
 <br />  call prec%set(tlusv,   info,ilev=1,ilmax=max(1,nlv-1))
|
||||
 <br />  call prec%smoothers_build(a,desc_a,info)
|
||||
 <br />
|
||||
</div>
|
||||
<pre class="verbatim" id="verbatim-11">
|
||||
  ! sparse matrix and preconditioner
|
||||
  type(psb_dspmat_type) :: a
|
||||
  type(amg_dprec_type)  :: prec
|
||||
  type(amg_d_tlu_solver_type) :: tlusv
|
||||
......
|
||||
  !
|
||||
  !  prepare the preconditioner: an ML with defaults, but with TLU solver at
|
||||
  !  intermediate levels. All other parameters are at default values.
|
||||
  !
|
||||
  call prec%init(’ML’,       info)
|
||||
  call prec%hierarchy_build(a,desc_a,info)
|
||||
  nlv = prec%get_nlevs()
|
||||
  call prec%set(tlusv,   info,ilev=1,ilmax=max(1,nlv-1))
|
||||
  call prec%smoothers_build(a,desc_a,info)
|
||||
</pre>
|
||||
<!--l. 107--><p class="nopar" >
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user