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author | Ryuta Kamizono <kamipo@gmail.com> | 2019-04-22 18:12:14 +0900 |
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committer | Ryuta Kamizono <kamipo@gmail.com> | 2019-04-24 18:46:23 +0900 |
commit | 5575bd7b22e8e11ba8e2fdac4a92aab931d4f9f9 (patch) | |
tree | b59a69f1010ca9f8b6827d43c2b2b2d213bcc71a /guides/source | |
parent | b7c7f9bb80bd45a2ab782af8e88f00b7e21752e1 (diff) | |
download | rails-5575bd7b22e8e11ba8e2fdac4a92aab931d4f9f9.tar.gz rails-5575bd7b22e8e11ba8e2fdac4a92aab931d4f9f9.tar.bz2 rails-5575bd7b22e8e11ba8e2fdac4a92aab931d4f9f9.zip |
Avoid redundant `attribute_alias?` before `attribute_alias`
If we want to get alias resolved attribute finally, we can use
`attribute_alias` directly.
For that purpose, avoiding redundant `attribute_alias?` makes alias
attribute access 40% faster.
https://gist.github.com/kamipo/e427f080a27b46f50bc508fae3612a0e
Before (2c0729d8):
```
Warming up --------------------------------------
user['id'] 102.668k i/100ms
user['new_id'] 80.660k i/100ms
user['name'] 99.368k i/100ms
user['new_name'] 81.626k i/100ms
Calculating -------------------------------------
user['id'] 1.431M (± 4.0%) i/s - 7.187M in 5.031985s
user['new_id'] 1.042M (± 4.2%) i/s - 5.243M in 5.039858s
user['name'] 1.406M (± 5.6%) i/s - 7.055M in 5.036743s
user['new_name'] 1.074M (± 3.6%) i/s - 5.387M in 5.024152s
```
After (this change):
```
Warming up --------------------------------------
user['id'] 109.775k i/100ms
user['new_id'] 103.303k i/100ms
user['name'] 105.988k i/100ms
user['new_name'] 99.618k i/100ms
Calculating -------------------------------------
user['id'] 1.520M (± 6.7%) i/s - 7.574M in 5.011496s
user['new_id'] 1.485M (± 6.2%) i/s - 7.438M in 5.036252s
user['name'] 1.538M (± 5.4%) i/s - 7.737M in 5.049765s
user['new_name'] 1.516M (± 4.6%) i/s - 7.571M in 5.007293s
```
Diffstat (limited to 'guides/source')
0 files changed, 0 insertions, 0 deletions