On 05/16/2014 04:40 PM, Rzepa, Henry S wrote: > Always hopeful that Javascript performance might become “adequate” for even > intensive JSmol tasks (such as surface renderings), I benchmarked Safari > using http://krakenbenchmark.mozilla.org/kraken-1.1/driver.html The value was > ~3000 ms. Reading > http://arstechnica.com/information-technology/2014/05/apple-integrates-llvm-compiler-to-boost-webkit-javascript-performance/ > I re-ran it using Webkt which is supposed to use compiler technology. > About ~2700 ms. > > Chrome (does 32 vs 64-bit impact upon JavaScript?) is ~1800 ms. > > I wonder how much more can be squeezed out of Javascript? Not an order of > magnitude? Nor even a factor of say 4? I estimate a factor of ~20 is > needed to remove the frustrations associated with surface renderings in > JSmol? > Another problem with Javascript performance in JSmol is that it can vary by about a factor of ten even on the same system. I observed this for example with Firefox 26 on OpenSuse 12.2 (QuadCore i5-2500 CPU @ 3.30GHz, 24 GB RAM).
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