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1 { | |
2 "_description" : "This file contains info about our performance test traces, u
sed by the perf dashboard (http://chromeperf.appspot.com). Links in test descrip
tions should be in markdown format. SUITE as the description means the same desc
ription as the test suite.", | |
3 | |
4 "score": { | |
5 "description": "SUITE" | |
6 }, | |
7 | |
8 "Score": { | |
9 "description": "SUITE" | |
10 }, | |
11 | |
12 "Total": { | |
13 "description": "SUITE" | |
14 }, | |
15 | |
16 "ImageDecoding_avg": { | |
17 "description": "Average decode time of 4 images formats: gif, png, jpg, and
webp." | |
18 }, | |
19 "image_decoding.html?gif": { | |
20 "description": "Time to decode a 3.1 MB, 2560x1920 gif image. File found at
chrome/test/data/image_decoding/droids.gif" | |
21 }, | |
22 "image_decoding.html?jpg": { | |
23 "description": "Time to decode a 810 KB, 2560x1920 jpg image. File found at
chrome/test/data/image_decoding/droids.jpg" | |
24 }, | |
25 "image_decoding.html?png": { | |
26 "description": "Time to decode a 4.6 MB, 2560x1920 png image. File found at
chrome/test/data/image_decoding/droids.png" | |
27 }, | |
28 "image_decoding.html?webp": { | |
29 "description": "Time to decode a 65 KB, 2560x1920 webp image. File found at
chrome/test/data/image_decoding/droids.webp" | |
30 }, | |
31 "ai-astar": { | |
32 "description": "This benchmark uses the [A* search algorithm](http://en.wiki
pedia.org/wiki/A*_search_algorithm) to automatically plot an efficient path betw
een two points, in the presence of obstacles. Adapted from code by [Brian Grings
tead](http://www.briangrinstead.com/blog/astar-search-algorithm-in-javascript)." | |
33 }, | |
34 "audio-beat-detection": { | |
35 "description": "This benchmark performs [beat detection](http://en.wikipedia
.org/wiki/Beat_detection) on an Audio sample using [code](http://beatdetektor.sv
n.sourceforge.net/viewvc/beatdetektor/trunk/core/js/beatdetektor.js?revision=18&
view=markup) from [BeatDetektor](http://www.cubicproductions.com/index.php?optio
n=com_content&view=article&id=67&Itemid=82) and [DSP.js](http://github.com/corba
nbrook/dsp.js/)." | |
36 }, | |
37 "audio-dft": { | |
38 "description": "This benchmark performs a [Discrete Fourier Transform](http:
//en.wikipedia.org/wiki/Discrete_Fourier_transform) on an Audio sample using cod
e from [DSP.js](http://github.com/corbanbrook/dsp.js)." | |
39 }, | |
40 "audio-fft": { | |
41 "description": "This benchmark performs a [Fast Fourier Transform](http://en
.wikipedia.org/wiki/Fast_Fourier_transform) on an Audio sample using code from [
DSP.js](http://github.com/corbanbrook/dsp.js/)." | |
42 }, | |
43 "audio-oscillator": { | |
44 "description": "This benchmark generates a soundwave using code from [DSP.js
](http://github.com/corbanbrook/dsp.js/)." | |
45 }, | |
46 "imaging-darkroom": { | |
47 "description": "This benchmark performs a variety of photo manipulations suc
h as Fill, Brightness, Contrast, Saturation, and Temperature." | |
48 }, | |
49 "imaging-desaturate": { | |
50 "description": "This benchmark [desaturates](http://en.wikipedia.org/wiki/Co
lorfulness) a photo using code from [Pixastic](http://www.pixastic.com/)." | |
51 }, | |
52 "imaging-gaussian-blur": { | |
53 "description": "This benchmark performs a [Gaussian blur](http://en.wikipedi
a.org/wiki/Gaussian_blur) on a photo." | |
54 }, | |
55 "json-parse-financial": { | |
56 "description": "This benchmark parses [JSON](http://www.json.org) records." | |
57 }, | |
58 "json-stringify-tinderbox": { | |
59 "description": "This benchmark serializes [Tinderbox](http://tests.themasta.
com/tinderboxpushlog/?tree=Firefox) build data to [JSON](http://www.json.org)." | |
60 }, | |
61 | |
62 "CodeLoad": { | |
63 "description": "measures how quickly a JavaScript engine can start executing
code after loading a large JavaScript program, social widget being a common exa
mple. The source for test is derived from open source libraries (Closure, jQuery
) (1,530 lines)." | |
64 }, | |
65 "Crypto": { | |
66 "description": "Encryption and decryption benchmark based on code by Tom Wu
(1698 lines)." | |
67 }, | |
68 "DeltaBlue": { | |
69 "description": "One-way constraint solver, originally written in Smalltalk b
y John Maloney and Mario Wolczko (880 lines)." | |
70 }, | |
71 "EarleyBoyer": { | |
72 "description": "Classic Scheme benchmarks, translated to JavaScript by Flori
an Loitsch's Scheme2Js compiler (4684 lines)." | |
73 }, | |
74 "Gameboy": { | |
75 "description": "Emulate the portable console's architecture and runs a deman
ding 3D simulation, all in JavaScript (11,097 lines)." | |
76 }, | |
77 "Mandreel": { | |
78 "description": "Runs the 3D Bullet Physics Engine ported from C++ to JavaScr
ipt via Mandreel (277,377 lines)." | |
79 }, | |
80 "NavierStokes": { | |
81 "description": "2D NavierStokes equations solver, heavily manipulates double
precision arrays. Based on Oliver Hunt's code (387 lines)." | |
82 }, | |
83 "PdfJS": { | |
84 "description": "Mozilla's PDF Reader implemented in JavaScript. It measures
decoding and interpretation time (33,056 lines)." | |
85 }, | |
86 "RayTrace": { | |
87 "description": "Ray tracer benchmark based on code by Adam Burmister (904 li
nes)." | |
88 }, | |
89 "RegExp": { | |
90 "description": "Regular expression benchmark generated by extracting regular
expression operations from 50 of the most popular web pages (1761 lines)." | |
91 }, | |
92 "Richards": { | |
93 "description": "OS kernel simulation benchmark, originally written in BCPL b
y Martin Richards (539 lines)." | |
94 }, | |
95 "Splay": { | |
96 "description": "Data manipulation benchmark that deals with splay trees and
exercises the automatic memory management subsystem (394 lines).." | |
97 }, | |
98 | |
99 "commit_charge": { | |
100 "description": "System commit charge (commited memory pages)" | |
101 }, | |
102 "page_load_time": { | |
103 "description": "Average page load time. Measured from navigationStart until
the completion time of a layout after the window.load event." | |
104 }, | |
105 "processes": { | |
106 "description": "Number of processes used by chrome" | |
107 }, | |
108 "read_bytes_browser": { | |
109 "description": "Number of IO bytes read by the browser process" | |
110 }, | |
111 "read_bytes_renderer": { | |
112 "description": "Number of IO bytes read by the renderer process" | |
113 }, | |
114 "read_operations_browser": { | |
115 "description": "Number of IO read operations by the browser process" | |
116 }, | |
117 "read_operations_renderer": { | |
118 "description": "Number of IO read operations by the renderer process" | |
119 }, | |
120 "resident_set_size_peak_size_browser": { | |
121 "description": "The peak Resident Set Size (physically resident memory) usag
e achieved by the browser process." | |
122 }, | |
123 "resident_set_size_peak_size_renderer": { | |
124 "description": "The peak Resident Set Size (physically resident memory) usag
e achieved by the renderer process." | |
125 }, | |
126 "V8.MemoryExternalFragmentationTotal": { | |
127 "description": "Total external memory fragmentation after each GC in percent
." | |
128 }, | |
129 "V8.MemoryHeapSampleTotalCommitted": { | |
130 "description": "The total size of committed memory used by V8 after each GC
in KB." | |
131 }, | |
132 "V8.MemoryHeapSampleTotalUsed": { | |
133 "description": "The total size of live memory used by V8 after each GC in KB
." | |
134 }, | |
135 "vm_final_size_browser": { | |
136 "description": "Virtual Memory Size (address space allocated) of browser pro
cess" | |
137 }, | |
138 "vm_final_size_gpu": { | |
139 "description": "Virtual Memory Size (address space allocated) of renderer pr
ocess" | |
140 }, | |
141 "vm_final_size_renderer": { | |
142 "description": "Virtual Memory Size (address space allocated) of renderer pr
ocess" | |
143 }, | |
144 "vm_final_size_total": { | |
145 "description": "Virtual Memory Size (address space allocated) of GPU process
" | |
146 }, | |
147 "vm_peak_size_browser": { | |
148 "description": "The peak Virtual Memory Size (address space allocated) usage
achieved by the browser process." | |
149 }, | |
150 "vm_peak_size_renderer": { | |
151 "description": "The peak Virtual Memory Size (address space allocated) usage
achieved by the renderer process." | |
152 }, | |
153 "vm_private_dirty_final_browser": { | |
154 "description": "Private Dirty is basically the amount of RAM inside the proc
ess that can not be paged to disk (it is not backed by the same data on disk), a
nd is not shared with any other processes. Another way to look at this is the RA
M that will become available to the system when that process goes away (and prob
ably quickly subsumed into caches and other uses of it)." | |
155 }, | |
156 "vm_private_dirty_final_renderer": { | |
157 "description": "Private Dirty is basically the amount of RAM inside the proc
ess that can not be paged to disk (it is not backed by the same data on disk), a
nd is not shared with any other processes. Another way to look at this is the RA
M that will become available to the system when that process goes away (and prob
ably quickly subsumed into caches and other uses of it)." | |
158 }, | |
159 "vm_private_dirty_final_total": { | |
160 "description": "Private Dirty is basically the amount of RAM inside the proc
ess that can not be paged to disk (it is not backed by the same data on disk), a
nd is not shared with any other processes. Another way to look at this is the RA
M that will become available to the system when that process goes away (and prob
ably quickly subsumed into caches and other uses of it)." | |
161 }, | |
162 "vm_shared_dirty_final_browser": { | |
163 "description": "Shared Dirty is the amount of RAM outside the process that c
an not be paged to disk, and is shared with other processes." | |
164 }, | |
165 "vm_shared_dirty_final_renderer": { | |
166 "description": "Shared Dirty is the amount of RAM outside the process that c
an not be paged to disk, and is shared with other processes." | |
167 }, | |
168 "vm_proportional_set_size_final_browser": { | |
169 "description": "The PSS number is a metric the kernel computes that takes in
to account memory sharing -- basically each page of RAM in a process is scaled b
y a ratio of the number of other processes also using that page. This way you ca
n (in theory) add up the pss across all processes to see the total RAM they are
using, and compare pss between processes to get a rough idea of their relative w
eight." | |
170 }, | |
171 "vm_proportional_set_size_final_renderer": { | |
172 "description": "The PSS number is a metric the kernel computes that takes in
to account memory sharing -- basically each page of RAM in a process is scaled b
y a ratio of the number of other processes also using that page. This way you ca
n (in theory) add up the pss across all processes to see the total RAM they are
using, and compare pss between processes to get a rough idea of their relative w
eight." | |
173 }, | |
174 "vm_proportional_set_size_final_total": { | |
175 "description": "The PSS number is a metric the kernel computes that takes in
to account memory sharing -- basically each page of RAM in a process is scaled b
y a ratio of the number of other processes also using that page. This way you ca
n (in theory) add up the pss across all processes to see the total RAM they are
using, and compare pss between processes to get a rough idea of their relative w
eight." | |
176 }, | |
177 "vm_resident_set_size_final_size_browser": { | |
178 "description": "Resident Set Size (physically resident memory) of browser pr
ocess" | |
179 }, | |
180 "vm_resident_set_size_final_size_gpu": { | |
181 "description": "Resident Set Size (physically resident memory) of GPU proces
s" | |
182 }, | |
183 "vm_resident_set_size_final_size_renderer": { | |
184 "description": "Resident Set Size (physically resident memory) of renderer p
rocess" | |
185 }, | |
186 "vm_resident_set_size_final_size_total": { | |
187 "description": "Resident Set Size (physically resident memory) of all proces
ses" | |
188 }, | |
189 "vm_working_set_final_size_browser": { | |
190 "description": "Working Set size of browser process" | |
191 }, | |
192 "vm_working_set_final_size_renderer": { | |
193 "description": "Working Set size of renderer process" | |
194 }, | |
195 "vm_working_set_final_size_total": { | |
196 "description": "Working Set size of all processes" | |
197 }, | |
198 "working_set_peak_size_browser": { | |
199 "description": "The peak Working Set Size usage achieved by the browser proc
ess." | |
200 }, | |
201 "working_set_peak_size_renderer": { | |
202 "description": "The peak Working Set Size usage achieved by the renderer pro
cess." | |
203 }, | |
204 "write_bytes_browser": { | |
205 "description": "Number of IO bytes written by the browser process" | |
206 }, | |
207 "write_bytes_renderer": { | |
208 "description": "Number of IO bytes written by the renderer process" | |
209 }, | |
210 "write_operations_browser": { | |
211 "description": "Number of write IO operations by browser process" | |
212 }, | |
213 "write_operations_renderer": { | |
214 "description": "Number of write IO operations by renderer process" | |
215 }, | |
216 | |
217 "average_commit_time": { | |
218 "description": "Time spent pushing the layer tree from the main thread to th
e compositor thread. Is zero if software rendering." | |
219 }, | |
220 "average_latency": { | |
221 "description": "The average latency between input event and corresponding sw
ap to screen." | |
222 }, | |
223 "average_num_layers_drawn": { | |
224 "description": "Number of layers in the tree at draw time. Is zero in softw
are mode." | |
225 }, | |
226 "avg_surface_fps": { | |
227 "description": "Average frames per second as measured by the platform's Surf
aceFlinger." | |
228 }, | |
229 "dropped_percent": { | |
230 "description": "Number of frames that missed vsync. The metric is slightly
different in each rendering mode but roughly approximates how janky the page was
." | |
231 }, | |
232 "mean_frame_time": { | |
233 "description": "The frame rate, but reported as an interval." | |
234 }, | |
235 "percent_impl_scrolled": { | |
236 "description": "The percent of input events that caused fast scrolling on th
e impl thread. If you see numbers between 0 and 100, it's probably because the
page changed halfway through and became slow scrolling, or vice versa." | |
237 }, | |
238 "texture_upload_count": { | |
239 "description": "The number of textures uploaded to the GPU." | |
240 }, | |
241 "total_texture_upload_time": { | |
242 "description": "The time spent in texture upload on the GPU process." | |
243 }, | |
244 | |
245 "canvasDrawImageFullClear": { | |
246 "description": "Using a canvas element to render. Bitmaps are blitted to th
e canvas using the 'drawImage' function and the canvas is fully cleared at the b
eginning of each frame." | |
247 }, | |
248 "canvasDrawImageFullClearAlign": { | |
249 "description": "Same as canvasDrawImageFullClear except all 'x' and 'y' valu
es are roudned to the nearest integer. This can be more efficient on translate
on certain browsers." | |
250 }, | |
251 "canvasDrawImagePartialClear": { | |
252 "description": "Using a canvas element to render. Bitmaps are blitted to th
e canvas using the 'drawImage' function and pixels drawn in the last frame are c
leared to the clear color at the beginning of each frame. This is generally slo
wer on hardware accelerated implementations, but sometimes faster on CPU-based i
mplementations." | |
253 }, | |
254 "canvasDrawImagePartialClearAlign": { | |
255 "description": "Same as canvasDrawImageFullClearAlign but only partially cle
aring the canvas each frame." | |
256 }, | |
257 "css2dBackground": { | |
258 "description": "Using div elements that have a background image specified us
ing CSS styles. These div elements are translated, scaled, and rotated using CS
S-2D transforms." | |
259 }, | |
260 "css2dImg": { | |
261 "description": "Same as css2dBackground, but using img elements instead of d
iv elements." | |
262 }, | |
263 "css3dBackground": { | |
264 "description": "Same as css2dBackground, but using CSS-3D transforms." | |
265 }, | |
266 "css3dImg": { | |
267 "description": "Same as css2dImage but using CSS-3D tranforms." | |
268 }, | |
269 | |
270 "3d-cube": { | |
271 "description": "Pure JavaScript computations of the kind you might use to do
3d rendering, but without the rendering. This ends up mostly hitting floating p
oint math and array access." | |
272 }, | |
273 "3d-morph": { | |
274 "description": "Pure JavaScript computations of the kind you might use to do
3d rendering, but without the rendering. This ends up mostly hitting floating p
oint math and array access." | |
275 }, | |
276 "3d-raytrace": { | |
277 "description": "Pure JavaScript computations of the kind you might use to do
3d rendering, but without the rendering. This ends up mostly hitting floating p
oint math and array access." | |
278 }, | |
279 "access-binary-trees": { | |
280 "description": "Array, object property and variable access." | |
281 }, | |
282 "access-fannkuch": { | |
283 "description": "Array, object property and variable access." | |
284 }, | |
285 "access-nbody": { | |
286 "description": "Array, object property and variable access." | |
287 }, | |
288 "access-nsieve": { | |
289 "description": "Array, object property and variable access." | |
290 }, | |
291 "bitops-3bit-bits-in-byte": { | |
292 "description": "Bitwise operations, these can be useful for various things i
ncluding games, mathematical computations, and various kinds of encoding/decodin
g. It's also the only kind of math in JavaScript that is done as integer, not fl
oating point." | |
293 }, | |
294 "bitops-bits-in-byte": { | |
295 "description": "Bitwise operations, these can be useful for various things i
ncluding games, mathematical computations, and various kinds of encoding/decodin
g. It's also the only kind of math in JavaScript that is done as integer, not fl
oating point." | |
296 }, | |
297 "bitops-bitwise-and": { | |
298 "description": "Bitwise operations, these can be useful for various things i
ncluding games, mathematical computations, and various kinds of encoding/decodin
g. It's also the only kind of math in JavaScript that is done as integer, not fl
oating point." | |
299 }, | |
300 "bitops-nsieve-bits": { | |
301 "description": "Bitwise operations, these can be useful for various things i
ncluding games, mathematical computations, and various kinds of encoding/decodin
g. It's also the only kind of math in JavaScript that is done as integer, not fl
oating point." | |
302 }, | |
303 "controlflow-recursive": { | |
304 "description": "Control flow constructs (looping, recursion, conditionals).
Right now it mostly covers recursion, as the others are pretty well covered by o
ther tests." | |
305 }, | |
306 "crypto-aes": { | |
307 "description": "Real cryptography code, mostly covers bitwise operations and
string operations." | |
308 }, | |
309 "crypto-md5": { | |
310 "description": "Real cryptography code, mostly covers bitwise operations and
string operations." | |
311 }, | |
312 "crypto-sha1": { | |
313 "description": "Real cryptography code, mostly covers bitwise operations and
string operations." | |
314 }, | |
315 "date-format-tofte": { | |
316 "description": "Performance of JavaScript's 'date' objects." | |
317 }, | |
318 "date-format-xparb": { | |
319 "description": "Performance of JavaScript's 'date' objects." | |
320 }, | |
321 "math-cordic": { | |
322 "description": "Various mathematical type computations." | |
323 }, | |
324 "math-partial-sums": { | |
325 "description": "Various mathematical type computations." | |
326 }, | |
327 "math-spectral-norm": { | |
328 "description": "Various mathematical type computations." | |
329 }, | |
330 "regexp-dna": { | |
331 "description": "Regular expressions performance" | |
332 }, | |
333 "string-base64": { | |
334 "description": "String processing, including code to generate a giant 'tagcl
oud', extracting compressed JS code, etc." | |
335 }, | |
336 "string-fasta": { | |
337 "description": "String processing, including code to generate a giant 'tagcl
oud', extracting compressed JS code, etc." | |
338 }, | |
339 "string-tagcloud": { | |
340 "description": "String processing, including code to generate a giant 'tagcl
oud', extracting compressed JS code, etc." | |
341 }, | |
342 "string-unpack-code": { | |
343 "description": "String processing, including code to generate a giant 'tagcl
oud', extracting compressed JS code, etc." | |
344 }, | |
345 "string-validate-input": { | |
346 "description": "String processing, including code to generate a giant 'tagcl
oud', extracting compressed JS code, etc." | |
347 } | |
348 } | |
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