story_line
2016-11-30 08:14:49 0 举报
在古老的王国里,年轻的农夫杰克发现了一块神秘的水晶。这块水晶拥有强大的力量,可以实现持有者的愿望。然而,水晶的力量引来了邪恶的巫师布莱克的注意。他决定夺走水晶,用其力量统治整个王国。杰克为了保护家园,决定挺身而出,与布莱克展开一场生死对决。在战斗的过程中,杰克发现只有真爱和勇气才能激发出水晶的真正力量。最终,杰克凭借对家乡的深深热爱和无畏的勇气,成功击败了布莱克,保护了他的家园和王国。这个故事告诉我们,真正的力量来自于内心,而非外在的物质。
作者其他创作
大纲/内容
1. NUMA abstraction
Large Working Sets
2. Support moving virtual memory
Hardware: manage Cache etc.
Safety
Hardware has already provided good support for memory move.
Non-uniform Memory Acess(NUMA)
Miss: User knowledge.
Race Handling
Memory: bottleneck
Using kernel-threads
Cache/Prefetcher Unfriendly Pattern
Overheads
Memif: integrate App knowledge
Memory Hierarchies
3 kernel overhaul
DMA engine reconfig
Multi-level Caches
OS: monitor and move data.
2 ideas
Reuse OS more easily
Using kernel-threads to fetch requests and post notifications without sync with App
Expose DMA to user: Unsafe+Impractical
Previous: transparent to App
Page Lookup
User and Kernel directly share lock-free data structures (red-blue queue)
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