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I'm looking at browse-to-watch performance, I am using image_cache_size_in_bytes = 7MB and remote_typeface_cache_size_in_bytes = 0MB , but the performance of browse-to-watch is lower than that of youtube-certi. (It takes about 6 seconds to 8 seconds.) So I tuned image_cache_size_in_bytes = 20MB and remote_typeface_cache_size_in_bytes = 4MB, which is fine (it about 2-4 seconds). but this option is not available because our platform current memory environment is not enough. Is there any way to fix this by fixing the other parts?

jihoon jang
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  • This sounds more like application configuration problem than programming related. Please take some time to read [the help pages](http://stackoverflow.com/help), especially the sections named ["What topics can I ask about here?"](http://stackoverflow.com/help/on-topic) and ["What types of questions should I avoid asking?"](http://stackoverflow.com/help/dont-ask). Also please [take the tour](http://stackoverflow.com/tour) and [read about how to ask good questions](http://stackoverflow.com/help/how-to-ask). – Some programmer dude Jun 05 '18 at 05:37
  • So performance is good but you are short on RAM? How much RAM does your system have? What version of Cobalt do you use? – mmotorny Jun 05 '18 at 06:16
  • thank u for reply, mmotorny. ram is 256MB. The cobalt version is 11.153049. – jihoon jang Jun 05 '18 at 06:26
  • I would guess that you'd find the largest improvement by tweaking the value of mozjs_garbage_collection_threshold_in_bytes ( https://cobalt.googlesource.com/cobalt/+/release_11/src/cobalt/doc/performance_tuning.md#garbage-collection-trigger-threshold ). Feel free to take a look at other options in that guide. You may also have luck by setting a framerate limit by using 'cobalt_minimum_frame_time_in_milliseconds'. – Andrew Top Jun 05 '18 at 16:04
  • Please search tweaks with "browse-to-watch" tag in the document which Andrew referred. Some of them have pros and cons so you might need to do a regression test after making changes. – Daniel Juyung Seo Jun 05 '18 at 16:23
  • 256MB looks very small. How much "free" memory do you have? – Daniel Juyung Seo Jun 05 '18 at 16:23
  • Also, what is your CPU (architecture, cores, frequency)? – mmotorny Jun 05 '18 at 17:46
  • @jihoonjang Soft reminder. – Daniel Juyung Seo Jun 09 '18 at 02:36

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