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liujunming
/ latency.txt
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March 23, 2018 10:15
— forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
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| Latency Comparison Numbers | |
| -------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns 3 us | |
| Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
| Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
liujunming
/ academic and industry conference for System.md
Last active
May 5, 2025 09:44
academic and industry conference for System
- A Berkeley View of Cloud Computing
- USENIX Best Papers
- ACM Best Paper Awards
- AI fabric is a bus or a network？
- Address Translation Optimizations for Chip Multiprocessors
- Improving the Performance and Energy-efficiency of Virtual Memory
- Hypervisor Memory Forensics
- VM discovery and introspection with Rekall
- APEI Error INJection
- [A Primer on Memory Consistency and Cache Coherence](https://pages.cs.w
- Intel External Design Specifications (EDS)
- 包含了CHA、详细的MCA Error-Reporting Register Banks寄存器等详细内容
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