Processor companies typically iterate off proven designs, and for good reason. Changing too many things at once introduces a lot of risk. A lot of changing parts makes it hard to get a good picture of overall performance, so it also makes tuning difficult. Pentium 4 and Bulldozer made clean breaks from prior architectures, and…
CPU design is hard. You can tell because there aren't a lot of companies doing it. AMD and Intel are your only choices in the PC scene. In the Android ecosystem, ARM Ltd's cores dominate. Qualcomm, MediaTek, Samsung and other SoC makers put chips together with varying core counts, GPUs, and other IP blocks. The…
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Control-flow integrity (CFI) refers to techniques which prevent control-flow hijacking attacks. This article describes some compiler/hardware features with a focus on llvm-project implementations. CFI