
30. WebGL Models: End-to-End 451
16-bit indices. On my oldest working laptop, a 2.4 GHz Core 2 Duo running Mac
OS 10.5.8, the time spent in JavaScript is a fraction of a second.
The per formance depends on the browser. Prior to Chrome 17, Firefox 8 is
faster, but Chrome 17 makes some important performance improvements for han-
dling strings from XMLHttpRequest:
Browser Time
Chrome 16.0.912.41 383 ms
Firefox 8.01 202 ms
Chrome 17.0.949.0 114 ms
Churning through 5,148,735 bytes in 114 ms is a throughput better than
45MB/sec, closer to local storage bandwidth than b roadband Internet bandwidth.
The current implementation in WebGL loader uses progress events ...