IBM 4361 Processor

Highlights of 4361 Processor: •Commercial performance equivalent to the 4331 model 2. •Factory installed option increases engineering/scientific performance up to 1.4 times the model 2 for short precision and 2.2 times for long precision. •High-Accuracy Arithmetic Facility: ◦Allows computational procedures with algorithmic verification of results. ◦New floating-point instructions are implemented for computation of basic arithmetic operations and the scalar product with maximum accuracy. ◦Provides direct rounding for the short and long floating-point hexadecimal formats. •Microcode-assisted support for improved performance of frequently used mathematical functions.