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<p class="MsoNormal"><span style="color:windowtext">Thank you very much for the answer Alexey. I am actually more curious about the runtime. Because, in Nvidia, we have started implementing OpenMP GPU offload on Flang frontend. We are using libomptarget and
libomtparget-nvptx. Therefore I was asking which features will runtime support in v7.0.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:windowtext">Also, my additional comments are below.<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:windowtext">From:</span></b><span style="color:windowtext"> Alexey Bataev <a.bataev@outlook.com>
<br>
<b>Sent:</b> Tuesday, July 3, 2018 5:39 PM<br>
<b>To:</b> Hervé Yviquel <herve.yviquel@ic.unicamp.br>; Guray Ozen <gozen@nvidia.com>; openmp-dev@lists.llvm.org<br>
<b>Subject:</b> Re: [Openmp-dev] Available features of libomptarget nvptx for 7.0 release<o:p></o:p></span></p>
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<p>Hi, are you interested in the status of clang compiler or just library? I can answer for clang and support for offloading to NVidia GPUs.
<br>
It supports almost everything from OpenMP 4.5, except for reductions across the teams.<span style="color:windowtext"><o:p></o:p></span></p>
<p><b><i><span style="color:windowtext">[GURAY:] Is it only in clang ? Do you know does teams reduction works on runtime?<o:p></o:p></span></i></b></p>
<p><br>
Also, there are still some bugs in the current implementation.<br>
1. Some math functions may cause troubles during the compilation of the device specific code. There is a patch that fixes that problem, but it requires some additional work.<br>
2. Our implementation supports 2 datasharing model for the device code: cuda mode, where all local variables are actually local threadprivate globals (i.e. registers), and generic mode, where the shared variables are placed in the global memory and can be shared
between the threads of the parallel regions. Currently, only cuda-mode works correctly, generic mode requires some additional bug fix.<br>
Also, trunk clang compiler does not support static linking.<span style="color:windowtext"><o:p></o:p></span></p>
<p><b><i><span style="color:windowtext">[GURAY:] Is related to clang-offload-bundler?<o:p></o:p></span></i></b></p>
<p><br>
<br>
Best regards,<br>
Alexey Bataev.<o:p></o:p></p>
<pre>-------------<o:p></o:p></pre>
<pre>Best regards,<o:p></o:p></pre>
<pre>Alexey Bataev<o:p></o:p></pre>
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<p class="MsoNormal">01.07.2018 5:26, Hervé Yviquel via Openmp-dev пишет:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:#231F20">I agree. Would it be possible to get an update on the status of libomptarget and its codegen? Is it more or less in pair with clang-ykt now?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:#231F20">Thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Helvetica",sans-serif;color:#231F20">Hervé</span><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 juin 13 2018, at 6:15 pm, Guray Ozen via Openmp-dev <a href="mailto:openmp-dev@lists.llvm.org">
<openmp-dev@lists.llvm.org></a> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi all,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">The release date for 7.0 is approaching. I'm curious about the libomptarget and libomptarget-nvptx runtime library. Is there a list of which features are not available in 7.0 and which ones are not?<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Best<o:p></o:p></p>
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<p class="MsoNormal"><strong><span style="font-size:10.5pt;font-family:"Trebuchet MS",sans-serif;color:#333333">-guray</span></strong><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This email message is for the sole use of the intended recipient(s) and may contain confidential information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact
the sender by reply email and destroy all copies of the original message.<o:p></o:p></p>
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<p class="MsoNormal">_______________________________________________<o:p></o:p></p>
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<p class="MsoNormal">Openmp-dev mailing list<o:p></o:p></p>
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<p class="MsoNormal"><a href="mailto:Openmp-dev@lists.llvm.org">Openmp-dev@lists.llvm.org</a><o:p></o:p></p>
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<p class="MsoNormal"><a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev">http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev</a><o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>Openmp-dev mailing list<o:p></o:p></pre>
<pre><a href="mailto:Openmp-dev@lists.llvm.org">Openmp-dev@lists.llvm.org</a><o:p></o:p></pre>
<pre><a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev">http://lists.llvm.org/cgi-bin/mailman/listinfo/openmp-dev</a><o:p></o:p></pre>
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