Chrome Apps have a file system API as well. It differs from what it in Tizen, but it would be very nice to see a comparison as well
Very encouraging results! Kenneth On Tue, Sep 17, 2013 at 8:04 PM, Leandro Pereira <leandro.pere...@intel.com> wrote: > > Hello, > > Since Tizen is a supported platform, I've been performing some > benchmarks, comparing Crosswalk (XW) with the standard Tizen runtime > (WRT). > > Two tests were performed: > 1. Create a file, and then immediately remove it. > 2. Open a ~831KiB text file, open, read it all, close. > > Test (1) tests how many simple operations can be performed. On my > implementation of Tizen's Filesystem API, this consists basically of > three messages: one to resolve the root directory, one to create the > file, and one to delete it. > > Test (2) tests how much reading a large-ish file from disk will impact > serialization and transfer in the IPC channels. This sends four > messages: one to resolve the file to be read, one to open the stream, > one to read the file, and one to close the stream. > > Both tests were performed using a simple script that performs as much of > these operations in a fixed amount of time as possible, counts how many > of these succeeded or failed, and then calculates the amount of > operations per second. The script is available here[1]. Tests were > performed 5 times, and the results below are the average: > > ** Reading/writing from flash ** > Test Crosswalk Tizen WRT XW/WRT Ratio > 1 242ops/s 47ops/s ~2.95x > 2 47ops/s 14ops/s ~3.35x > > ** Reading/writing from tmpfs ** > Test Crosswalk Tizen WRT XW/WRT Ratio > 1 263ops/s 75ops/s ~3.50x > 2 50ops/s 13ops/s ~3.85x > > [1] https://gist.github.com/lpereira/28513ca299de3429d898 > > Crosswalk performs lots of IPC calls and serializes the information > using JSON. I was expecting these things to be serious bottlenecks, but > as it turns out, Crosswalk is around 3x faster than Tizen WRT for this > particular benchmark. > > Cheers, > Leandro > > > _______________________________________________ > Crosswalk-dev mailing list > Crosswalk-dev@lists.crosswalk-project.org > https://lists.crosswalk-project.org/mailman/listinfo/crosswalk-dev -- Kenneth Rohde Christiansen Senior Engineer, WebKit, Qt, EFL Phone +45 4294 9458 / E-mail kenneth at webkit.org ﹆﹆﹆ _______________________________________________ Crosswalk-dev mailing list Crosswalk-dev@lists.crosswalk-project.org https://lists.crosswalk-project.org/mailman/listinfo/crosswalk-dev
