Monthly Archives: February 2020

Strange belief about icc faster than gcc in 5 times ?

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There’s a company who believes intel compiler still the best option in the world, with assembly codes for x86 architecture cannot defeated by any different compilers. Maybe right for only Intel x86 with limited platforms like Windows and Linuxes. They were explained testing some audio and video processing code comapred… Read more »

0.45x wide & macro lens gadget for smartphone

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This 0.45x wide angle lens gadget came from Aliexpress, paid about 4 USD except shipping fee. Much bigger than I expected, and it’s outter filter radial is 43mm. Yes, it’s big lens gadget, so big. Each lens parts can be seperated as macro and 0.45x attachement concave glass. See below:… Read more »

Apexel smartphone 110′ wide lens gadget

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Apexel 110′ wide lens for smartphones ( actually suitable for iPhone ) makes default single camera more wider than designed by manufacturer. So this smart gadget can save money to upgrade our smartphone. Appearance This gadget able to be mounted on rear or back where lens placed near about 10cm… Read more »