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swr: Fix KNOB_MAX_WORKER_THREADS thread creation override.

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Environment variable KNOB_MAX_WORKER_THREADS allows the user to override
default thread creation and thread binding.  Previous commit to adjust
linux cpu topology caused setting this KNOB to bind all threads to a single
core.

This patch restores correct functionality of override.

Cc: <mesa-stable@lists.freedesktop.org>

Reviewed-by: Tim Rowley <timothy.o.rowley@intel.com>
This commit is contained in:
Bruce Cherniak 2017-12-12 17:18:23 -06:00 • committed by George Kyriazis
parent 1774c10361
commit 709f5bdc4a
1 changed files with 1 additions and 2 deletions
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3
src/gallium/drivers/swr/rasterizer/core/threads.cpp
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@ -213,8 +213,7 @@ void CalculateProcessorTopology(CPUNumaNodes& out_nodes, uint32_t& out_numThread
{
for (auto &core : node.cores)
{
out_numThreadsPerProcGroup = std::max((size_t)out_numThreadsPerProcGroup,
core.threadIds.size());
out_numThreadsPerProcGroup += core.threadIds.size();
}
}