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<p class="MsoNormal">Use brackets:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">#pragma omp target enter data map(alloc: a[0:1024])</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">for(int i=0; i<1024; i++) {</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""> #pragma omp target enter data map(to: a[i][0:1])<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">}</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">George<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><a name="_____replyseparator"></a><b>From:</b> Itaru Kitayama <itaru.kitayama@gmail.com>
<br>
<b>Sent:</b> Friday, 8 November, 2019 15:57<br>
<b>To:</b> Rokos, Georgios <georgios.rokos@intel.com><br>
<b>Cc:</b> openmp-dev (openmp-dev@lists.llvm.org) <openmp-dev@lists.llvm.org><br>
<b>Subject:</b> Re: [Openmp-dev] How do I map an array of pointers using array notation<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I am getting:<o:p></o:p></p>
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<p class="MsoNormal">$ cat t1.cpp#include <iostream><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">int main() {<br>
int *a[1024];<br>
<br>
#pragma omp target enter data map(alloc: a[0:1024])<br>
for (int i=0;i<1024;i++)<br>
#pragma omp target enter data map(to: a[i][0:1])<br>
<br>
#pragma omp target map(alloc: a)<br>
{<br>
<br>
}<br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal">}<o:p></o:p></p>
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<p class="MsoNormal">t1.cpp:8:27: error: '#pragma omp target enter data' cannot be an immediate substatement<br>
#pragma omp target enter data map(to: a[i][0:1])<br>
^<br>
1 error generated.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Fri, Nov 8, 2019 at 7:56 PM Rokos, Georgios <<a href="mailto:georgios.rokos@intel.com">georgios.rokos@intel.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">You have to “enter data” for each element of the array. Something like:<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">#pragma omp target enter data map(alloc: a[0:1024])</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">for(int i=0; i<1024; i++)</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""> #pragma omp target enter data map(to: a[i][0:1])</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">#pragma omp target map(alloc: a)</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">{</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">...</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">}</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">for(int i=0; i<1024; i++)</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New""> #pragma omp target exit data map(from: a[i][0:1])</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Courier New"">#pragma omp target exit data map(alloc: a[0:1024])</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">George<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a name="m_-5527099983875198372______replyseparat"></a><b>From:</b> Openmp-dev <<a href="mailto:openmp-dev-bounces@lists.llvm.org" target="_blank">openmp-dev-bounces@lists.llvm.org</a>>
<b>On Behalf Of </b>Itaru Kitayama via Openmp-dev<br>
<b>Sent:</b> Thursday, 7 November, 2019 21:01<br>
<b>To:</b> openmp-dev <<a href="mailto:openmp-dev@lists.llvm.org" target="_blank">openmp-dev@lists.llvm.org</a>><br>
<b>Subject:</b> [Openmp-dev] How do I map an array of pointers using array notation<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi,<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">As this<o:p></o:p></p>
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<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">int *a[1024];<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">#pragma omp target parallel for map(tofrom: a[0:1024][0:1])<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">does not compile. How do I move data to the device properly?<o:p></o:p></p>
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