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SDR GPS on STM32: processing without ASIC

https://sudonull.com/sdr-gps-on-stm32-processing-without-asic

Create an SDR GPS receiver on STM32F4 with MAX2769. Bitwise XOR instead of multiplication, DMA capture 16 MHz. Guide for embedded developers. Study the code.

Arrays and cache: O(1) access optimization

https://sudonull.com/arrays-and-cache-o-1-access-optimization

We analyze why sequential access to arrays is 7–10 times faster than random. Benchmarks of strides, matrices, AoS/SoA. Acceleration up to 10× for middle/senior dev.

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