BMI

BMI may refer to:

Companies and organizations

British Midland International

British Midland Airways Limited (trading at various times throughout its history as British Midland, BMI British Midland, BMI or British Midland International) was an airline with its head office in Donington Hall in Castle Donington, close to East Midlands Airport, in the United Kingdom. The airline flew to destinations in Europe, the Middle East, Africa, North America and Central Asia from its operational base at London Heathrow Airport, where at its peak it held ca. 13% of all takeoff and landing slots and operated over 2,000 flights a week. BMI was a member of Star Alliance from 1 July 2000 until 20 April 2012.

BMI was acquired from Lufthansa by International Airlines Group (IAG) on 20 April 2012, and was integrated into British Airways (BA) by 27 October 2012. BMI's subsidiaries Bmibaby and BMI Regional were also purchased, although IAG did not wish to retain either. BMI Regional was sold to Sector Aviation Holdings in May 2012 and continues to operate, whereas Bmibaby closed down in September 2012.

Bit Manipulation Instruction Sets

Bit Manipulation Instructions Sets (BMI sets) are extensions to the x86 instruction set architecture for microprocessors from Intel and AMD. The purpose of these instruction sets is to improve the speed of bit manipulation. All the instructions in these sets are non-SIMD and operate only on general-purpose registers.

There are two sets published by Intel: BMI (here referred to as BMI1) and BMI2; they were both introduced with the Haswell microarchitecture. Another two sets were published by AMD: ABM (Advanced Bit Manipulation, which is also a subset of SSE4a implemented by Intel as part of SSE4.2 and BMI1), and TBM (Trailing Bit Manipulation, an extension introduced with Piledriver-based processors as an extension to BMI1).

In the description of a patch to the GNU binutils package, AMD explicitly revealed that the first iteration of "Zen", its third-generation x86-64 architecture, will not support TBM, XOP and LWP instructions developed specifically for the "Bulldozer" microarchitecture.