gistfile1.txt

Each test run on 5000 total instances.

**1 classes:**

    spl_object_hash() time:            0.0025229454040527
    spl_object_hash_var_dump() time:   0.042062997817993
    spl_object_hash_references() time: 1.8909840583801

**2 classes:**

    spl_object_hash() time:            0.0025219917297363
    spl_object_hash_var_dump() time:   0.042673826217651
    spl_object_hash_references() time: 0.96944999694824

**5 classes:**

    spl_object_hash() time:            0.002547025680542
    spl_object_hash_var_dump() time:   0.04230809211731
    spl_object_hash_references() time: 0.42495894432068

**10 classes:**

    spl_object_hash() time:            0.0025100708007812
    spl_object_hash_var_dump() time:   0.042142152786255
    spl_object_hash_references() time: 0.23865604400635

**100 classes:**

    spl_object_hash() time:            0.0028560161590576
    spl_object_hash_var_dump() time:   0.035429000854492
    spl_object_hash_references() time: 0.090394973754883

**500 classes:**

    spl_object_hash() time:            0.002586841583252
    spl_object_hash_var_dump() time:   0.034965038299561
    spl_object_hash_references() time: 0.15115904808044

**1000 classes:**

    spl_object_hash() time:            0.0024881362915039
    spl_object_hash_var_dump() time:   0.035768032073975
    spl_object_hash_references() time: 0.33815884590149