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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Elemental demo compute shader takes ages to compile"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95438">95438</a>
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<th>Summary</th>
<td>Elemental demo compute shader takes ages to compile
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
</tr>
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Drivers/Gallium/radeonsi
</td>
</tr>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>airlied@freedesktop.org
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=123804" name="attach_123804" title="compute shader and GLSL/TGSI/llvm IR.">attachment 123804</a> <a href="attachment.cgi?id=123804&action=edit" title="compute shader and GLSL/TGSI/llvm IR.">[details]</a></span>
compute shader and GLSL/TGSI/llvm IR.
After fixing the two GLSL bugs, I hit a case where one of the compute shaders
in
ElementalDemo takes a long long time to compile and consumes a lot of memory
doing so.
#0 llvm::SUnit::addPred (this=this@entry=0x7fa8da02fae0, D=...,
Required=Required@entry=true)
at /home/airlied/devel/llvm/lib/CodeGen/ScheduleDAG.cpp:67
#1 0x00007fa92c946d2d in llvm::ScheduleDAGInstrs::addPhysRegDataDeps
(this=this@entry=0x7fa9248d3840, SU=SU@entry=0x7fa8d9833c40,
OperIdx=OperIdx@entry=8) at
/home/airlied/devel/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp:318
#2 0x00007fa92c947198 in llvm::ScheduleDAGInstrs::addPhysRegDeps
(this=this@entry=0x7fa9248d3840, SU=SU@entry=0x7fa8d9833c40,
OperIdx=OperIdx@entry=8) at
/home/airlied/devel/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp:370
#3 0x00007fa92c94fd1e in llvm::ScheduleDAGInstrs::buildSchedGraph
(this=this@entry=0x7fa9248d3840, AA=0x7fa8e2e55b10,
RPTracker=RPTracker@entry=0x0, PDiffs=PDiffs@entry=0x0, LIS=LIS@entry=0x0,
TrackLaneMasks=TrackLaneMasks@entry=false)
at /home/airlied/devel/llvm/lib/CodeGen/ScheduleDAGInstrs.cpp:959
#4 0x00007fa92c8ff02b in (anonymous namespace)::SchedulePostRATDList::schedule
(this=this@entry=0x7fa9248d3840)
at /home/airlied/devel/llvm/lib/CodeGen/PostRASchedulerList.cpp:391
#5 0x00007fa92c8ffbbe in (anonymous
namespace)::PostRAScheduler::runOnMachineFunction (this=0x7fa8e284a500, Fn=...)
at /home/airlied/devel/llvm/lib/CodeGen/PostRASchedulerList.cpp:360
#6 0x00007fa92c880721 in llvm::MachineFunctionPass::runOnFunction
(this=0x7fa8e284a500, F=...)
at /home/airlied/devel/llvm/lib/CodeGen/MachineFunctionPass.cpp:60</pre>
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