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单词 FDIV Bug
释义

FDIV Bug

中文百科

Pentium FDIV bug Pentium FDIV bug

(重定向自FDIV Bug)

Pentium FDIV bug(奔腾浮点除错误)是英特尔公司的旧版本Pentium浮点运算器的一个错误。错误起源于奔腾系列的FDIV(浮点除)指令。

英语百科

Pentium FDIV bug Pentium FDIV bug

(重定向自FDIV Bug)
66 MHz Intel Pentium (sSpec=SX837) with the FDIV bug

The Pentium FDIV bug was a computer bug that affected the floating point unit (FPU) of the early Intel Pentium processors. Because of the bug, the processor could return incorrect decimal results during complex mathematical calculations. Discovered in 1994 by Professor Thomas R. Nicely at Lynchburg College, Intel attributed the error to missing entries in the lookup table used by the floating-point division circuitry.

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更新时间:2025/6/23 11:02:07