mozilla/pdf.js — pull request #1351 by jviereck (2012-03-16 14:13:22+00:00)
Title: Change the kExecutionTime value to 15.

This should get us close to 60FPS while rendering to the canvas. In reality the setTimout has some "overhead" and due to other facts the rendering might still take longer than 15ms.

With this applied the TM feel less choppy.