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Pad PerThread when we emulate thread_local to prevent false sharing.
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@ -153,6 +153,10 @@ class ThreadPoolTempl : public Eigen::ThreadPoolInterface {
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ThreadPoolTempl* pool; // Parent pool, or null for normal threads.
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ThreadPoolTempl* pool; // Parent pool, or null for normal threads.
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uint64_t rand; // Random generator state.
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uint64_t rand; // Random generator state.
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int thread_id; // Worker thread index in pool.
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int thread_id; // Worker thread index in pool.
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#ifndef EIGEN_THREAD_LOCAL
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// Prevent false sharing.
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char pad_[128];
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#endif
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};
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};
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Environment env_;
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Environment env_;
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