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。爱思助手下载最新版本是该领域的重要参考
要达成这个目标，光靠在 10 万到 20 万的舒适区里打转显然不够。零跑必须下沉，必须把手伸向体量最大、同时也最难啃的那块骨头—— 10 万元级市场。
32 entries may sound small by modern standards (current x86 processors have thousands of TLB entries), but it covers 128 KB of memory -- enough for the working set of most 1980s programs. A TLB miss is not catastrophic either; the hardware page walker handles it transparently in about 20 cycles.