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Sign in to write an articleParse integers task: memory access pattern
Apr 23, 2026Overview My algorithm processes three decimal numbers at the same time (10 digits * 3 + 2 line breaks in between = 32 bytes, which fits in ymm registers). Let’s call this a unit operation. unit...
Using MMAP to optimize data reading
Apr 19, 2026Using MMAP to Optimize Data Reading in HighLoad.Fun Solutions When competing on HighLoad.Fun every microsecond matters. One of the most impactful optimizations you can make is replacing conventional...