Microprocessors

The Pentium contains a complicated circuit to multiply by three

A detailed analysis of the Intel Pentium's floating-point multiplier reveals a complex ×3 circuit containing around 9,000 transistors, utilizing base-8 multiplication for improved performance. The circuit combines advanced techniques like carry lookahead, Kogge-Stone addition, and carry-select addition to maximize speed and efficiency.

Zen 5's AVX-512 Frequency Behavior

AMD's Zen 5 processor introduces full-width AVX-512 datapaths with impressive performance at high clock speeds, demonstrating significant improvements over Intel's Skylake-X implementation. The architecture employs sophisticated IPC throttling and clock management techniques to handle heavy AVX-512 workloads, maintaining optimal performance while avoiding fixed frequency offsets.