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Alex Alejandre explores compiling the Janet language for the Linux x32 ABI to get 32-bit pointers with 64-bit speed, reporting up to ~20-25% memory savings on Arch but a 50% slowdown for that workload — highlighting that x32 offers dramatic potential for pointer-heavy programs but lacks packaging and ecosystem support.
OpenAI announces improved prompt caching for GPT-6, offering higher cache hit rates, discounts, and new tools for monitoring and optimization.