1 { 2 "_description" : "This file contains info about our performance test units, used by the perf dashboard (http://chromeperf.appspot.com).", 3 4 "%": { 5 "improvement_direction": "down", 6 "why": "Percent CPU usage. Used by cpu metric." 7 }, 8 "bit/s": { 9 "improvement_direction": "down", 10 "why": "Bitrate." 11 }, 12 "bytes/s": { 13 "improvement_direction": "down", 14 "why": "Bitrate." 15 }, 16 "bytes": { 17 "improvement_direction": "down" 18 }, 19 "Celsius": { 20 "improvement_direction": "down", 21 "why": "Colder machines are faster." 22 }, 23 "commit_count": { 24 "improvement_direction": "up", 25 "why": "layer_tree_host_perftest" 26 }, 27 "count": { 28 "improvement_direction": "down", 29 "why": "Processes" 30 }, 31 "dB": { 32 "improvement_direction": "up", 33 "why": "Decibels peak signal-to-noise ratio. Used by WebRTC quality tests." 34 }, 35 "files": { 36 "improvement_direction": "down", 37 "why": "Static initializers" 38 }, 39 "fps": { 40 "improvement_direction": "up", 41 "why": "The faster the better. Used by scirra benchmark." 42 }, 43 "frames": { 44 "improvement_direction": "down", 45 "why": "Dropped frames." 46 }, 47 "frames-per-second": { 48 "improvement_direction": "up", 49 "why": "Synonym for fps." 50 }, 51 "frame_count": { 52 "improvement_direction": "up", 53 "why": "layer_tree_host_perftest" 54 }, 55 "frame_time": { 56 "improvement_direction": "down" 57 }, 58 "Hz": { 59 "improvement_direction": "up", 60 "why": "Higher frequencies are faster." 61 }, 62 "janks": { 63 "improvement_direction": "down", 64 "why": "Fewer janks is better." 65 }, 66 "kb": { 67 "improvement_direction": "down", 68 "why": "Synonym for KB, used in memory and io metrics." 69 }, 70 "available_kB": { 71 "improvement_direction": "up", 72 "why": "kB of memory available. More memory available is better." 73 }, 74 "KB": { 75 "improvement_direction": "down", 76 "why": "KB of memory usage. Less memory usage is better. Used in endure." 77 }, 78 "lines": { 79 "improvement_direction": "up", 80 "why": "Coverage. More test coverage is better." 81 }, 82 "load": { 83 "improvement_direction": "down" 84 }, 85 "MB": { 86 "improvement_direction": "down" 87 }, 88 "mips": { 89 "improvement_direction": "up", 90 "why": "More instructions processed per time unit." 91 }, 92 "mpixels_sec": { 93 "improvement_direction": "up", 94 "why": "More pixels processed per time unit." 95 }, 96 "mtexel_sec": { 97 "improvement_direction": "up", 98 "why": "More texels processed per time unit." 99 }, 100 "mtri_sec": { 101 "improvement_direction": "up", 102 "why": "More triangles processed per time unit." 103 }, 104 "mvtx_sec": { 105 "improvement_direction": "up", 106 "why": "More vertices processed per time unit." 107 }, 108 "ms": { 109 "improvement_direction": "down", 110 "why": "Used in many Telemetry measurements. Fewer ms of time means faster." 111 }, 112 "milliseconds": { 113 "improvement_direction": "down", 114 "why": "Synonym for ms." 115 }, 116 "milliseconds-per-frame": { 117 "improvement_direction": "down" 118 }, 119 "minutes": { 120 "improvement_direction": "down", 121 "why": "Used for NaCl build time." 122 }, 123 "mWh": { 124 "improvement_direction": "down", 125 "why": "Fewer milliwatt-hours means less energy consumed." 126 }, 127 "objects (bigger is better)": { 128 "improvement_direction": "up", 129 "why": "Used in spaceport benchmark." 130 }, 131 "ObjectsAt30FPS": { 132 "improvement_direction": "up" 133 }, 134 "percent": { 135 "improvement_direction": "down", 136 "why": "Synonym for %, used in memory metric for percent fragmentation." 137 }, 138 "coverage%": { 139 "improvement_direction": "up", 140 "why": "Used in alloy-perf-test/cts%/passed." 141 }, 142 "points": { 143 "improvement_direction": "up", 144 "why": "Synonym for score, used in ChromeOS touchpad tests." 145 }, 146 "ports": { 147 "improvement_direction": "down" 148 }, 149 "relocs": { 150 "improvement_direction": "down" 151 }, 152 "runs/ms": { 153 "improvement_direction": "up", 154 "why": "Higher runs/ms implies faster execution." 155 }, 156 "runs/s": { 157 "improvement_direction": "up", 158 "why": "Used in dromaeo. Higher runs/s implies faster execution." 159 }, 160 "runs_per_s": { 161 "improvement_direction": "up", 162 "why": "Synonym for runs/s, used in dromaeo data sent by cros bots." 163 }, 164 "runs_per_second": { 165 "improvement_direction": "up", 166 "why": "Synonym for runs/s." 167 }, 168 "score": { 169 "improvement_direction": "up", 170 "why": "Used in a variety of benchmarks where a higher score is better." 171 }, 172 "score_(bigger_is_better)": { 173 "improvement_direction": "up", 174 "why": "Synonym for score." 175 }, 176 "score (bigger is better)": { 177 "improvement_direction": "up", 178 "why": "Synonym for score, used in jsgamebench and dom_perf." 179 }, 180 "sec": { 181 "improvement_direction": "down" 182 }, 183 "seconds": { 184 "improvement_direction": "down" 185 }, 186 "us": { 187 "improvement_direction": "down" 188 }, 189 "vsyncs": { 190 "improvement_direction": "down", 191 "why": "Used in smoothness benchmarks. Number of vsyncs to generate a frame, never < 1.0" 192 } 193 } 194