ROM running with sequel_pg ext VS AR 4.2.0.rc3

gistfile1.txt

Calculating -------------------------------------
[ROM] Loading 1k user objects
                            29 i/100ms
[AR] Loading 1k user objects
                             9 i/100ms
-------------------------------------------------
[ROM] Loading 1k user objects
                          277.2 (±6.5%) i/s -       1392 in   5.040249s
[AR] Loading 1k user objects
                          111.0 (±9.0%) i/s -        558 in   5.071423s

Comparison:
[ROM] Loading 1k user objects:      277.2 i/s
[AR] Loading 1k user objects:      111.0 i/s - 2.50x slower

Calculating -------------------------------------
[ROM] Loading 1k user objects with tasks
                             1 i/100ms
[AR] Loading 1k user objects with tasks
                             1 i/100ms
-------------------------------------------------
[ROM] Loading 1k user objects with tasks
                           15.8 (±12.6%) i/s -         78 in   5.045148s
[AR] Loading 1k user objects with tasks
                           11.4 (±17.5%) i/s -         56 in   5.054387s

Comparison:
[ROM] Loading 1k user objects with tasks:       15.8 i/s
[AR] Loading 1k user objects with tasks:       11.4 i/s - 1.39x slower

Calculating -------------------------------------
[ROM] to_json on 1k user objects
                             5 i/100ms
[AR] to_json on 1k user objects
                             2 i/100ms
-------------------------------------------------
[ROM] to_json on 1k user objects
                           50.3 (±9.9%) i/s -        250 in   5.032551s
[AR] to_json on 1k user objects
                           20.9 (±9.6%) i/s -        104 in   5.024194s

Comparison:
[ROM] to_json on 1k user objects:       50.3 i/s
[AR] to_json on 1k user objects:       20.9 i/s - 2.40x slower