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github0576 / latency.txt
Created July 10, 2024 21:03 — forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
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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
steps:
- name: gcr.io/cloud-builders/git
args:
- '-c'
- |
echo "$$SSHKEY" > /root/.ssh/id_rsa
chmod 400 /root/.ssh/id_rsa
ssh-keyscan gitlab.com > /root/.ssh/known_hosts
entrypoint: bash
secretEnv: