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In order to support IA-32 Itanium can switch in 32-bit mode with special jump escape instructions. IA-32 instructions have been mapped to Itanium's functional units. But as Itanium is built primarily for speed of its EPIC-style instructions and since it has no out-of-order execution capabilities, IA-32 code executes at a severe performance penalty in comparison to either IA-64 mode or Pentium line of processors. E.g. Itanium functional units don't automatically generate integer flags as a consequence of usual ALU computation and don't intrinsically support numerous outstanding unaligned memory loads. There are also IA-32 software emulators that are freely available for Linux and Windows and these emulators normally outperform hardware-based emulation by around 50%. Windows emulator is available from Microsoft; Linux emulator is available from a number of Linux vendors like Novell and from Intel itself. Given superior performance of software emulator and in spite of fact that IA-32 hardware accounts for less than 1% of transistors of an Itanium 2, Intel plan to remove circuitry from next-generation Itanium 2 chip codenamed 'Montecito'.
Define cache line. Cache block is used to refer to a set of contiguous address location of some size. Cache block is also referred to as cache line.
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
What is arithmetic pipeline? Pipeline arithmetic units are usually found in very high speed computers. They are used to execute floating point operations, multiplication of fi
What are the address-sequencing capabilities required in a control memory? i. Incrementing the control address register ii. Unconditional branch as specified by address fiel
Mention the two subsystem relationship. The relationship among two subsystems can be: Client-server Peer-peer
Q. Steps uesd in quine mckluskey method? Step I: Build a table in that every term of expression is represented in row (Expression must be in SOP form). Terms can be expres
In primary storage device the storage capacity is fixed. It has a volatile memory. In secondary storage device the storage capacity is not limited. It is a nonvolatile memory. Prim
Explain the characteristics of vector processing
When should you stop testing? It is quite complex to determine as many modern software applications are so complex and run in like an interdependent environment that complete t
Q. Explain about Instruction Cycle? The instruction cycle for this provided machine comprises four cycles. Presume a 2-bit instruction cycle code (ICC). The ICC can represent t
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