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In order to support IA-32, the Itanium can switch into 32-bit mode with special jump escape instructions. The IA-32 instructions have been mapped to the Itanium's functional units. Though, the Itanium is built primarily for speed of its EPIC-style instructions, and because it has no out-of-order implementation capabilities, IA-32 code implements at a severe performance penalty compared to either the IA-64 mode or the Pentium line of processors. For example, the Itanium functional units do not automatically make integer flags as a side effect of ordinary ALU computation, and do not intrinsically support multiple outstanding unaligned memory loads. There are also IA- 32 software emulators which are freely available for Linux and Windows, and these emulators typically outperform the hardware-based emulation by around 50%. The Linux emulator is available from some Linux vendors such as Novell and from Intel itself and the Windows emulator is available from Microsoft. Given the superior performance of the software emulator and despite the fact that IA-32 hardware accounts for less than 1% of the transistors of an Itanium 2, Intel plan to eliminate the circuitry from the next- generation Itanium 2 chip codenamed "Montecito".
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Why IO devices cannot be connected directly to the system bus? Ans: The IO devices can't be directly connected to the system bus because the following reason A) The data tra
What happens if we use Leave to list-processing without using Suppress-Dialog? If we don't use Suppress-Dialog to next screen will be viewed but as empty, when the user presse
What is a word line? In a memory cell, all the cells of a row are linked to a common line called as word line
An established communication session among a server and a workstation.
EXPLAIN SIDE EFFECT OF SCAN CONVERSION WITH DIGRAM
What is Register Set Register Set: Register set is used to keep immediate data during the implementation of instruction. This area of processor having of various registers.
The verification method states how Robot compares the baseline data captured while recording with the data captured during playback.
The use of Information Technology (IT) is well known. IT has turn into a must for survival of all business houses with growing information technology trends. Computer is main compo
Q. Define COM Programs? A COM (Command) program is binary image of a machine language program. It is loaded in memory at the lowest available segment address. Program code star
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