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| 1 | (function benchmark() {
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| 2 | ||
| 3 | var testObject = {
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| 4 | prop1: 4, | |
| 5 | prop2: 4, | |
| 6 | prop3: 4, | |
| 7 | prop4: 4, | |
| 8 | prop5: 4, | |
| 9 | prop6: 4, | |
| 10 | prop7: 4, | |
| 11 | prop8: 4, | |
| 12 | prop9: 4, | |
| 13 | prop10: 4, | |
| 14 | prop11: 4, | |
| 15 | prop12: 4, | |
| 16 | prop13: 4, | |
| 17 | prop14: 4, | |
| 18 | prop15: 4, | |
| 19 | prop16: 4, | |
| 20 | prop17: 4, | |
| 21 | prop18: 4, | |
| 22 | prop19: 4, | |
| 23 | prop20: 4, | |
| 24 | prop21: 4, | |
| 25 | prop22: 4, | |
| 26 | prop23: 4, | |
| 27 | prop24: 4, | |
| 28 | prop25: 4, | |
| 29 | prop26: 4, | |
| 30 | prop27: 4, | |
| 31 | prop28: 4, | |
| 32 | prop29: 4, | |
| 33 | prop: 3 | |
| 34 | }; | |
| 35 | ||
| 36 | - | function monomorphic(a) {
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| 36 | + | function monomorphic(a) {
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| 37 | - | return a.prop + a.prop; |
| 37 | + | return a.prop + a.prop; |
| 38 | } | |
| 39 | ||
| 40 | - | function megamorphic(a) {
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| 40 | + | function megamorphic(a) {
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| 41 | - | return a.prop + a.prop; |
| 41 | + | return a.prop + a.prop; |
| 42 | } | |
| 43 | ||
| 44 | var IC_filler = 100000000, | |
| 45 | bench = 10000000; | |
| 46 | ||
| 47 | var objs = [{
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| 48 | prop: 3 | |
| 49 | }, {
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| 50 | prop3: 4, | |
| 51 | prop: 3, | |
| 52 | prop2: 4 | |
| 53 | }, {
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| 54 | prop4: 4, | |
| 55 | prop2: 4, | |
| 56 | prop: 3, | |
| 57 | prop5: 6 | |
| 58 | }, | |
| 59 | testObject, {
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| 60 | prop7: 15, | |
| 61 | prop30: 12, | |
| 62 | prop314: 4, | |
| 63 | prop34: 15, | |
| 64 | - | var l = 100000000; |
| 64 | + | |
| 65 | } | |
| 66 | ]; | |
| 67 | var l = IC_filler; | |
| 68 | while (l--) {
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| 69 | var index = Math.random() * objs.length | 0; | |
| 70 | - | var l = 100000000; |
| 70 | + | |
| 71 | } | |
| 72 | ||
| 73 | var l = IC_filler; | |
| 74 | ||
| 75 | while (l--) {
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| 76 | monomorphic(testObject); | |
| 77 | - | l = 10000000; |
| 77 | + | |
| 78 | ||
| 79 | var now = Date.now(), | |
| 80 | l = bench; | |
| 81 | ||
| 82 | while (l--) {
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| 83 | if (megamorphic(testObject) !== 6) {
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| 84 | die(); | |
| 85 | } | |
| 86 | } | |
| 87 | ||
| 88 | - | l = 10000000; |
| 88 | + | |
| 89 | ||
| 90 | var now = Date.now(), | |
| 91 | l = bench; | |
| 92 | ||
| 93 | while (l--) {
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| 94 | if (monomorphic(testObject) !== 6) {
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| 95 | die(); | |
| 96 | } | |
| 97 | } | |
| 98 | ||
| 99 | print("Monomorphic", Date.now() - now);
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| 100 | ||
| 101 | })(); |
