From c0b34b3f764e12d296f6126eba3b930559bbcd42 Mon Sep 17 00:00:00 2001
From: Tuowen Zhao <ztuowen@gmail.com>
Date: Wed, 4 Dec 2019 14:50:16 -0700
Subject: CPU bench

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+# Profiling performance relations between mmap and unified memory with host allocator
+
+## Unified memory with host allocator
+
+Can be realized using Address translation service for Power9 (ATS) or Heterogeneous memory management (HMM).
+
+## Problem description
+
+Every mmap region could add "normally" imperceptible latency to address resolution. This problem is less visible on
+ CPU due to xxx. However on GPU, this could contribute to visible latency.
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