Run results for: Entries Reduce2

Run details:
User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36
Browser: Chrome 69
Operating system: Mac OS X 10.13.2
Device Platform: Desktop
Date tested: 5 years ago
Test name	Executions per second
entries_reduce1	18894.3 Ops/sec
entries_reduce2	19366.6 Ops/sec
Script Preparation code:
window.entries_reduce = o => (
	Object.entries(o)
				.filter(([k]) => ['lorem', 'ipsum', 'dolor', 'sit', 'bar'].includes(k))
				.filter(([, v]) => !!v)
				.map(([k, v]) => [k === 'lorem' ? '1337' : k, v])
				.reduce((_object, [k, v]) => ({
					..._object,
					...{[k]: v}
				}), {})
);

window.great_big_dataset = {
 "Lorem": 19560339.786053162,
 "ipsum": 3663013.3705198853,
 "dolor": 35762136.06017999,
 "sit": 96100587.91716774,
 "amet,": 45700028.12525578,
 "consectetur": 77472136.57435274,
 "adipiscing": 32562434.63448629,
 "elit.": 29375596.968114957,
 "Vivamus": 66324065.227812134,
 "ac": 95523699.76333876,
 "dictum": 2055662.3457790525,
 "augue.": 79197768.40104128,
 "Donec": 39890877.686638124,
 "non": 92876424.53795548,
 "libero": 27830573.79918832,
 "libero.": 75651635.39843953,
 "Praesent": 40120371.027108595,
 "tincidunt": 40450570.259462796,
 "mattis": 49214964.96379993,
 "magna,": 86725273.49594346,
 "mollis": 77350591.05885653,
 "tempor": 33800750.39650654,
 "odio": 46281966.83669383,
 "convallis": 96889353.96245857,
 "ac.": 6318514.806596642,
 "Mauris": 61121363.46563353,
 "id": 6887492.27008989,
 "ex": 78452920.24425234,
 "luctus,": 54431365.149688646,
 "condimentum": 93842169.15432195,
 "metus": 41264617.48090364,
 "vel,": 41721547.392279625,
 "ultricies": 60856535.93593045,
 "lorem.": 79842121.67256047,
 "Integer": 85779510.75512025,
 "eu": 24339821.19923921,
 "sem": 97707337.75691785,
 "tempus,": 34069342.60929715,
 "ullamcorper": 41384375.46952154,
 "nec,": 94139628.06121852,
 "interdum": 54696213.58184584,
 "nunc.": 55329643.763030685,
 "nec": 27958391.176928665,
 "laoreet": 5592922.405220424,
 "purus,": 42777743.692455105,
 "a": 19836271.71322211,
 "malesuada": 53324469.51936243,
 "purus.": 5731883.436637442,
 "accumsan": 64011106.389920935,
 "pharetra": 87821980.46325551,
 "egestas.": 1695474.5646623247,
 "Fusce": 91423908.28151536,
 "sapien.": 51994462.21648352,
 "venenatis": 93923754.4323551,
 "erat": 78140361.64651561,
 "ex,": 19783983.81902735,
 "vel": 47823933.49246361,
 "leo": 679340.6429650206,
 "sollicitudin": 33687427.10388264,
 "tristique.": 10300967.770053115,
 "Nullam": 60412292.68730337,
 "ut": 95519131.94598773,
 "pellentesque.": 45046770.5039985,
 "Proin": 78297350.52750166,
 "maximus": 16863656.8424666,
 "nulla": 54174129.251715094,
 "metus,": 54242255.61077622,
 "quis": 53655333.49018039,
 "mi": 69340845.70587915,
 "non.": 60172801.63770522,
 "Ut": 67442360.7973323,
 "est,": 83914557.78644447,
 "auctor": 53782655.480790906,
 "amet": 37904589.7780663,
 "ante": 60644743.203061454,
 "ac,": 45057353.109854706,
 "tempus": 29295521.518360212,
 "felis.": 47837335.99084998,
 "Maecenas": 5923808.941882869,
 "pellentesque": 85805101.10441075,
 "mauris,": 97398186.51895612,
 "enim.": 35355064.10854083,
 "Nam": 68832176.26770867,
 "odio.": 23577937.08294569,
 "Aenean": 64075599.90907783,
 "hendrerit": 95186210.23150077,
 "lacus": 10908426.892774114,
 "tellus": 8011434.167393872,
 "condimentum,": 52995315.83201584,
 "in": 74740847.04313847,
 "vulputate": 78166633.08463301,
 "dignissim.": 93738331.33077718,
 "sagittis": 75114234.10013998,
 "tellus.\n\nFusce": 24096627.057378873,
 "et": 5971270.328458944,
 "massa.": 31814700.4089556,
 "fermentum,": 4570076.2600012105,
 "felis": 40575736.003589615,
 "volutpat": 32991129.496242456,
 "gravida,": 22792730.237805814,
 "nisi": 90432143.35410097,
 "purus": 63150670.70918312,
 "imperdiet": 64252222.20456872,
 "lectus,": 83700411.72373508,
 "commodo": 31541921.309669975,
 "enim": 67881681.6604503,
 "dui.": 32099675.340977885,
 "Quisque": 3853958.213730535,
 "velit": 44672140.02328075,
 "rhoncus,": 70144636.4597913,
 "dui": 88745318.35467102,
 "blandit.": 33448030.159253526,
 "magna": 73579986.01592861,
 "gravida": 29005004.285252456,
 "nulla,": 74863066.21894103,
 "fermentum": 69277695.2388848,
 "facilisis": 56874324.68498313,
 "vitae": 88358056.82694499,
 "lacus.": 96752185.87182626,
 "Nunc": 6975078.602920948,
 "nibh": 17707642.116208788,
 "sed": 99239381.50477844,
 "fringilla.": 13683207.60039663,
 "Cras": 42742500.28984563,
 "velit,": 26558125.181979686,
 "lacinia": 61308105.61677984,
 "fringilla": 85877460.2023023,
 "eget,": 23900663.791166045,
 "eleifend": 48931173.56578522,
 "orci.": 36452315.58061399,
 "est": 37095648.05506789,
 "lobortis,": 63469983.480456024,
 "finibus": 93077940.2697442,
 "in,": 78241795.57754886,
 "eros.": 55964052.39856244,
 "egestas": 89455161.79216051,
 "tellus.": 69212530.03156656,
 "iaculis": 68037845.14117184,
 "quam": 37595053.23972685,
 "interdum,": 66898250.771337576,
 "elementum": 47490491.46907307,
 "eros": 35129373.42997579,
 "efficitur.": 19848268.231050838,
 "Pellentesque": 65121575.641313754,
 "tortor": 19788977.680535246,
 "urna,": 67013900.06975951,
 "at": 61759783.23895857,
 "euismod": 27290839.598732285,
 "diam": 69940912.5164081,
 "dignissim": 74614361.71178621,
 "vestibulum": 54991417.90501121,
 "ligula.\n\nAliquam": 13467580.807955204,
 "ultrices": 50190649.437811196,
 "posuere,": 29556906.988645528,
 "orci": 62018770.544427596,
 "massa": 11768712.751071341,
 "sapien": 85272513.55725698,
 "augue": 95606509.9855117,
 "diam.": 79809253.58075605,
 "cursus,": 23855341.919241145,
 "non,": 61217293.38915378,
 "Aliquam": 31687307.128003094,
 "condimentum.": 79023749.44921911,
 "erat.": 23929849.489868116,
 "ligula": 28346134.505136967,
 "auctor,": 24412097.77567237,
 "urna": 49397259.591707446,
 "elementum.": 83359461.0332806,
 "blandit": 74356292.7345839,
 "sem,": 1118652.6166119038,
 "nec.": 49069437.00488109,
 "vehicula": 63045201.67927139,
 "velit.": 91137972.0245654,
 "In": 76118141.10832804,
 "Nulla": 44960622.64423146,
 "molestie": 86042616.657874,
 "varius": 42053818.5840513,
 "iaculis.": 27687285.543179095,
 "arcu.": 58985017.171162225,
 "aliquam": 67720024.3201996,
 "mi,": 38315529.122360095,
 "tortor.": 88181160.60828161,
 "porttitor": 37579847.36285347,
 "neque": 27569615.350528043,
 "eget": 11772330.88530325,
 "efficitur": 17611710.535790935,
 "nibh.": 49909811.72430553,
 "congue.": 83066731.82331608,
 "porta": 13852498.67608005,
 "eu,": 44452740.505481556,
 "ipsum.": 46184553.61602629,
 "Suspendisse": 56615311.63731692,
 "potenti.\n\nSed": 15797591.811971357,
 "erat,": 40102777.719602115,
 "posuere": 32785005.709784064,
 "vitae,": 81465266.6237254,
 "mauris": 59283466.50242564,
 "odio,": 20385509.050195273,
 "ex.": 33391329.281231806,
 "leo.": 56646340.264705144,
 "lorem": 12874237.65359752,
 "suscipit": 45373133.6733542,
 "nisl": 17893205.10342898,
 "consequat": 65632610.64662733,
 "sed.": 48470962.44067581,
 "Duis": 55370942.141357936,
 "consectetur.": 79643330.1192903,
 "Morbi": 87557305.69734475,
 "nulla.": 62901988.328888714,
 "semper": 45872066.166766,
 "malesuada.": 49207322.90898651,
 "placerat": 69228665.15704356,
 "felis,": 16469634.893980522,
 "a.": 98204024.06538624,
 "rhoncus": 77727032.06673217,
 "tincidunt.": 37597487.42786515,
 "Phasellus": 83360025.47092125,
 "lobortis": 58805509.10596323,
 "rutrum": 1388004.4016299609,
 "Sed": 44379376.77263757,
 "luctus": 554687.5430506803,
 "ac.\n\nPhasellus": 63554023.95529499,
 "nunc,": 27774229.27067903,
 "justo.": 23917564.732350405,
 "risus": 88021642.94161443,
 "semper,": 78639186.5320959,
 "luctus.": 12720814.126378577,
 "varius,": 18978630.476387102,
 "dapibus": 27346782.776365574,
 "nisi.": 80096360.55250147,
 "elit": 82384396.1510688,
 "lacinia,": 35510721.22977674,
 "a,": 88381664.1504394,
 "pretium": 32861052.982905738,
 "porta.": 83653669.48772319,
 "arcu": 19688924.624101188,
 "rhoncus.": 81376068.76323815,
 "laoreet.": 57968150.55404338,
 "porttitor.": 72161185.19849081,
 "lectus": 58139091.237676136,
 "tellus,": 58704485.488878764,
 "vitae.": 37119720.88553075,
 "cursus.": 99596218.14406873,
 "volutpat.\n\nMaecenas": 17182033.859799705,
 "sodales": 50357250.356432684,
 "convallis.": 27639377.977666356,
 "ligula,": 37817521.078207396,
 "ligula.": 23903192.61801268,
 "aliquet": 36402577.44763386,
 "malesuada,": 72977740.83367689,
 "Curabitur": 64101722.69196375,
 "mattis.": 89693651.03996386,
 "justo": 48101860.712528646,
 "vestibulum.": 40587434.63712997,
 "tortor.\n\nAliquam": 76987793.51152176,
 "volutpat.": 10426709.049430149,
 "ultricies.": 42051037.098796114,
 "pulvinar": 36058843.819250576,
 "commodo,": 98964407.3071678,
 "amet.": 88843664.73547515,
 "ornare": 96998502.56935811,
 "eros,": 23126982.34466466,
 "in.": 71474898.50026673,
 "tristique": 2696812.7731989757,
 "urna.": 60398670.258094266,
 "Vestibulum": 18330137.7007393,
 "enim,": 88363293.64697468,
 "libero,": 90089819.27957149,
 "mauris.\n\nFusce": 21222840.76683072,
 "turpis,": 73752398.05965874,
 "ante.": 42326296.74625994,
 "sagittis,": 50941852.56126782,
 "nibh,": 30799195.62697324,
 "turpis": 94640198.71197307,
 "metus.": 81600830.8635249,
 "placerat,": 60509749.07617907,
 "cursus": 95759459.16487451,
 "et,": 49555610.19955938,
 "scelerisque": 6843239.463824302,
 "congue": 4330617.4097925695,
 "accumsan,": 62858646.84542921,
 "ornare,": 42048780.29982464,
 "neque,": 45298513.05648855,
 "risus.\n\nDonec": 28174463.058665734,
 "pulvinar.": 72884420.49547794,
 "eu.": 69582671.72420545,
 "fermentum.": 78695879.0214015,
 "gravida.": 13593541.344687555,
 "placerat.": 12634578.074148806,
 "tincidunt,": 54122048.24478126,
 "semper.": 12214235.206603274,
 "Etiam": 49698029.95177932,
 "hendrerit,": 73144311.8566196,
 "bibendum": 39026324.62961724,
 "tempor.\n\nIn": 33775337.354831316,
 "convallis,": 77261043.47182028,
 "ornare.": 453262.330769455,
 "dui,": 58970470.913773835,
 "pharetra,": 13498154.469150525,
 "eleifend,": 34236582.15581882,
 "faucibus": 49908849.7555092,
 "sollicitudin.": 20440887.756481096,
 "elementum,": 66354501.629644826,
 "quis,": 18108603.303330727,
 "tortor,": 2976161.4741335763,
 "faucibus,": 8058664.165012774,
 "consequat.": 27204068.828887086,
 "nunc": 79492157.19640681,
 "ut.": 37285257.88222394,
 "justo.\n\nSuspendisse": 53075195.12510368,
 "accumsan.": 81763406.69478665,
 "lacus,": 5860946.918796039,
 "finibus.": 15072202.386653721,
 "tellus.\n\nUt": 79557665.77854426,
 "lorem,": 13658827.548505114,
 "feugiat": 57640943.04425156,
 "id.": 96928519.50570342,
 "habitant": 41653955.41229413,
 "morbi": 85305755.05802101,
 "senectus": 91402560.07244393,
 "netus": 97860740.72175455,
 "fames": 97193848.01964481,
 "euismod.": 42879169.51825703,
 "nisl,": 87330571.94190718,
 "dictum,": 29681708.30075023,
 "sem.": 35028637.35459922,
 "mauris.\n\nSuspendisse": 12897375.954388201,
 "dolor,": 94424976.1939038,
 "est.": 76284982.86883447,
 "et.": 79401337.79387218,
 "dapibus.": 4040455.9107067417,
 "pretium.": 10349752.033594472,
 "vel.": 49819246.59204689,
 "imperdiet,": 87877089.30036782,
 "neque.\n\nProin": 49461592.92193211,
 "magna.": 62939107.42664102,
 "euismod,": 88231477.06145929,
 "fringilla,": 86349607.80221151,
 "dapibus,": 56705572.455012,
 "eleifend.": 98444249.9461169,
 "massa,": 47600636.596192405,
 "nisl.": 83129484.22535472,
 "neque.": 58350248.98053545,
 "bibendum.": 35002810.241493344,
 "ante,": 34654558.64046265,
 "rutrum,": 78377572.00415345,
 "risus,": 35851520.76616856,
 "lectus.": 14408745.335995277,
 "venenatis.": 88736806.38628043,
 "auctor.\n\nPellentesque": 83445129.71571052,
 "posuere.": 58160302.15910029,
 "sodales.": 39888051.44684293,
 "finibus,": 42332820.52267,
 "vestibulum,": 52314728.36744639,
 "ex.\n\nQuisque": 4033494.846967489,
 "nisi,": 34011819.85003361,
 "justo,": 81468647.81935425,
 "mollis,": 12031121.056957694,
 "dolor.": 87086053.95458996,
 "imperdiet.": 73336685.16828729,
 "dignissim.\n\nAliquam": 21857406.055851847,
 "aliquet.": 1961378.9316480279,
 "rutrum.": 9870979.44761992,
 "viverra": 53842347.62919828,
 "facilisis.": 41535234.167324565,
 "leo,": 93523276.61917137,
 "consectetur,": 49611175.709849074,
 "elit,": 34775939.53247322,
 "ut,": 20272903.119542573,
 "porta,": 78729522.3617117,
 "facilisi.\n\nInterdum": 93744622.17057715,
 "primis": 16151462.371978775,
 "faucibus.": 94223126.02285302,
 "quis.": 48707546.32830507,
 "Class": 49152135.40580008,
 "aptent": 8053194.707137546,
 "taciti": 78917477.1410589,
 "sociosqu": 40845557.59055415,
 "ad": 9407799.983506937,
 "litora": 18134194.606342245,
 "torquent": 69646485.18653631,
 "per": 79915717.57494836,
 "conubia": 66167480.40318177,
 "nostra,": 7044478.701874523,
 "inceptos": 49122701.97242174,
 "himenaeos.": 29237939.464091033,
 "laoreet,": 82661842.96690859,
 "feugiat,": 67922737.04961811,
 "sed.\n\nCurabitur": 54129131.876455136,
 "arcu,": 37827665.34634403,
 "suscipit.": 5412015.75346697,
 "ipsum.\n\nSed": 70494258.34744416,
 "porttitor,": 14664596.561786314,
 "mi.": 83682094.40358847,
 "efficitur,": 14254216.157161515,
 "turpis.": 8120599.855046895,
 "orci,": 3210259.6310273902
};
Tests:
entries_reduce1
entries_reduce(great_big_dataset);
entries_reduce2
entries_reduce(great_big_dataset);
Run results for: Entries Reduce2

entries_reduce1

entries_reduce2
