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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96897#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - clpeak OpenCL benchmark hangs during compilation on Clover RadeonSI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96897">bug 96897</a>
from <span class="vcard"><a class="email" href="mailto:jan.vesely@rutgers.edu" title="Jan Vesely <jan.vesely@rutgers.edu>"> <span class="fn">Jan Vesely</span></a>
</span></b>
<pre><span class="quote">> input.cl:34:106: error: call to 'mad' is ambiguous</span >
This looks to be caused by the lack of half precision builtins in libclc. GCN+
GPUs advertise support for cl_khr_fp16 in CLC but libclc is not ready yet.
You can try my experimental cl_khr_fp16 branch:
<a href="https://github.com/jvesely/libclc/tree/cl_khr_fp16">https://github.com/jvesely/libclc/tree/cl_khr_fp16</a></pre>
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