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@ncherro
ncherro / gist:0c185b77348908dd02d1
Created October 2, 2014 03:07
S3 bucket policy for asset sync
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": ["s3:ListAllMyBuckets"],
"Resource": "arn:aws:s3:::*"
},
{
"Effect": "Allow",
@jboner
jboner / latency.txt
Last active August 23, 2026 18:17
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
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