# Template Engine Performance Comparison
#### Ruby implementations.

## Competitors
- Builder
- ERB
- Erubis
- Haml
- Liquid
- Markaby
- Mustache
- Slim

... and our special guest ...

- String interpolation

## Running
```bash
# Prepare workspace
git clone git@github.com:localhots/template_engine_comparison.git
cd template_engine_comparison
bundle install

# Generate data for templates
./fakedata.rb 1000 > data/big.yml

# Run benchmarks
./benchmark.rb
```

## Current Results
**Intel Core i7 2.6 GHz**

```
############################################################
##       Compilation (small template) - 1.000 runs        ##
############################################################
                     user     system      total        real
string           0.030000   0.020000   0.050000 (  0.044899)
erubis           0.060000   0.030000   0.090000 (  0.086133)
erb              0.260000   0.020000   0.280000 (  0.278659)
haml             0.840000   0.030000   0.870000 (  0.869582)
slim             1.950000   0.030000   1.980000 (  1.993040)
mustache         0.020000   0.020000   0.040000 (  0.035736)
liquid           0.060000   0.020000   0.080000 (  0.076226)
markaby          0.030000   0.010000   0.040000 (  0.041241)
builder          0.020000   0.020000   0.040000 (  0.041957)

############################################################
##         Render (small template) - 10.000 runs          ##
############################################################
                     user     system      total        real
string           0.080000   0.010000   0.090000 (  0.086388)
erubis           0.130000   0.010000   0.140000 (  0.148000)
erb              0.120000   0.010000   0.130000 (  0.117680)
haml             0.220000   0.000000   0.220000 (  0.223524)
slim             0.270000   0.000000   0.270000 (  0.268160)
mustache         2.380000   0.060000   2.440000 (  2.448563)
liquid           0.380000   0.000000   0.380000 (  0.392713)
markaby          2.410000   0.040000   2.450000 (  2.441700)
builder          1.840000   0.010000   1.850000 (  1.848402)

############################################################
##        Compilation (big template) - 1.000 runs         ##
############################################################
                     user     system      total        real
string           0.030000   0.010000   0.040000 (  0.044474)
erubis           0.160000   0.030000   0.190000 (  0.183202)
erb              0.300000   0.020000   0.320000 (  0.321878)
haml             1.160000   0.030000   1.190000 (  1.193374)
slim             2.380000   0.040000   2.420000 (  2.423795)
mustache         0.020000   0.020000   0.040000 (  0.029639)
liquid           0.110000   0.020000   0.130000 (  0.132466)
markaby          0.020000   0.010000   0.030000 (  0.039952)
builder          0.030000   0.020000   0.050000 (  0.043474)

############################################################
##       Render (big template, 150KB data) - 50 runs      ##
############################################################
                     user     system      total        real
string           0.200000   0.030000   0.230000 (  0.220962)
erubis           0.210000   0.010000   0.220000 (  0.225647)
erb              0.310000   0.010000   0.320000 (  0.321146)
haml             0.460000   0.010000   0.470000 (  0.474801)
slim             0.710000   0.010000   0.720000 (  0.717359)
mustache         1.900000   0.010000   1.910000 (  1.909129)
liquid           5.230000   0.030000   5.260000 (  5.265334)
markaby          5.760000   0.010000   5.770000 (  5.766475)
builder          9.150000   0.020000   9.170000 (  9.168262)
```