Delphi XE2-64bit: bottleneck in trigonometric functions?
The 64bit introduced SSE2 maths, replacing the silicon-based implementations of the FPU by software.
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Taming HTML5 verlets with Object Pascal
Click the image below for a little real-time verlet integration animation.
Records with methods, Improved RTTI support
Delphi Web Script version 2.2 will soon be a wrap up, I’ve posted a preview zip (324 kb) for the SVN-averse.
Here is the summary of recent changes form the SVN side of DWS:
Status of the DWS JavaScript CodeGen
Here is a quick summary of the current status for the DWScript JavaScript CodeGen, aka OP4JS.
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Happy {$EXCESSPRECISION OFF}!
Just a notice: I’ve updated the XE2 single-precision floating point article after using the (up to now) undocumented {$EXCESSPRECISION OFF} directive, thanks to Allen Bauer for chiming in!
Executive summary: this directives enables use of single-precision SSE floating point instruction by the compiler, and brings their performance in line with expectations, making Delphi XE2 64bit compiler the new King of the Delphi Hill.