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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Beignet only support CL_DEVICE_SVM_COARSE_GRAIN_BUFFER svm.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Yang Rong<o:p></o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><a name="_____replyseparator"></a><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Beignet [mailto:beignet-bounces@lists.freedesktop.org]
<b>On Behalf Of </b>Sami Pietilä<br>
<b>Sent:</b> Thursday, February 22, 2018 4:47 PM<br>
<b>To:</b> beignet@lists.freedesktop.org<br>
<b>Subject:</b> [Beignet] How to allocate SVM<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I have Skylake (and Broadwell) <span style="font-family:"Arial",sans-serif;color:#222222;background:white">CPU</span> and I am running <span style="font-family:"Arial",sans-serif;color:#222222;background:white">beignet 1.3 platform.</span> I
have checked that device capabilities has CL_DEVICE_SVM_FINE_GRAIN_BUFFER flag.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Following code gives CL_INVALID_VALUE. Even removing <span style="font-family:"Arial",sans-serif;color:#222222;background:white">CL_MEM_SVM_ATOMICS does not help. What could be wrong with the code? Additionally, how to the same SVM reservation
by OpenCL C++ bindings (cl2.hpp)?</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">size_t SVM_size = 42; <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">void* p = clSVMAlloc (<o:p></o:p></p>
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<p class="MsoNormal">context(), <o:p></o:p></p>
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<p class="MsoNormal">CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS,<o:p></o:p></p>
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<p class="MsoNormal">SVM_size,<o:p></o:p></p>
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<p class="MsoNormal">0);<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">cl_int err = clEnqueueSVMMap(queue(), CL_TRUE, CL_MAP_READ | CL_MAP_WRITE, p, SVM_size, 0, NULL, NULL);<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks<o:p></o:p></p>
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