Optimisation, performance, algorithms, C, C++, Pascal, MATLAB, assembly, SIMD, SSE, AVX, NEON, AltiVec, Cell, GPGPU, CUDA, DSP, FFT, audio, image processing, communications, control systems, embedded, real-time.
Gold badges on StackOverflow for c, c++, sse, simd, x86, macos, dsp and fft.
