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<head><title>Parallel environment routines</title> 
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   <h3 class="sectionHead"><span class="titlemark">7   </span> <a 
 id="x68-1050007"></a>Parallel environment routines</h3>
                                                                  

                                                                  
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   &#x00A0;<span class="subsectionToc" >7.1 <a 
href="userhtmlsu57.html#x69-1060007.1">psb_init &#8212; Initializes PSBLAS parallel environment</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.2 <a 
href="userhtmlsu58.html#x70-1070007.2">psb_info &#8212; Return information about PSBLAS parallel environment</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.3 <a 
href="userhtmlsu59.html#x71-1080007.3">psb_exit &#8212; Exit from PSBLAS parallel environment</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.4 <a 
href="userhtmlsu60.html#x72-1090007.4">psb_get_mpi_comm &#8212; Get the MPI communicator</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.5 <a 
href="userhtmlsu61.html#x73-1100007.5">psb_get_mpi_rank &#8212; Get the MPI rank</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.6 <a 
href="userhtmlsu62.html#x74-1110007.6">psb_wtime &#8212; Wall clock timing</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.7 <a 
href="userhtmlsu63.html#x75-1120007.7">psb_barrier &#8212; Sinchronization point parallel environment</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.8 <a 
href="userhtmlsu64.html#x76-1130007.8">psb_abort &#8212; Abort a computation</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.9 <a 
href="userhtmlsu65.html#x77-1140007.9">psb_bcast &#8212; Broadcast data</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.10 <a 
href="userhtmlsu66.html#x78-1150007.10">psb_sum &#8212; Global sum</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.11 <a 
href="userhtmlsu67.html#x79-1160007.11">psb_max &#8212; Global maximum</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.12 <a 
href="userhtmlsu68.html#x80-1170007.12">psb_min &#8212; Global minimum</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.13 <a 
href="userhtmlsu69.html#x81-1180007.13">psb_amx &#8212; Global maximum absolute value</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.14 <a 
href="userhtmlsu70.html#x82-1190007.14">psb_amn &#8212; Global minimum absolute value</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.15 <a 
href="userhtmlsu71.html#x83-1200007.15">psb_nrm2 &#8212; Global 2-norm reduction</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.16 <a 
href="userhtmlsu72.html#x84-1210007.16">psb_snd &#8212; Send data</a></span>
<br />   &#x00A0;<span class="subsectionToc" >7.17 <a 
href="userhtmlsu73.html#x85-1220007.17">psb_rcv &#8212; Receive data</a></span>
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