am not sure if its gonna make ur system slower or faster, but wht's the point of having a 64bit OS if u can't benefit from it O.o
On Jan 26, 10:28 pm, lolattheotherguy <[email protected]> wrote: > the source is wikipedia, but this information IS correct: > > "A common misconception is that 64-bit architectures are no better > than 32-bit architectures unless the computer has more than 4 GB of > main memory. This is not entirely true: > > * Some operating systems reserve portions of process address space > for OS use, effectively reducing the total address space available for > mapping memory for user programs. For instance, Windows XP DLLs and > other user mode OS components are mapped into each process's address > space, leaving only 2 to 3 GB (depending on the settings) address > space available. This limit is currently much higher on 64-bit > operating systems and does not realistically restrict memory usage. > > * Memory-mapped files are becoming more difficult to implement in > 32-bit architectures, especially due to the introduction of relatively > cheap recordable DVD technology. A 4 GB file is no longer uncommon, > and such large files cannot be memory mapped easily to 32-bit > architectures; only a region of the file can be mapped into the > address space, and to access such a file by memory mapping, those > regions will have to be mapped into and out of the address space as > needed. This is a problem, as memory mapping remains one of the most > efficient disk-to-memory methods, when properly implemented by the OS. > > * Some programs such as data encryption software can benefit > greatly from 64-bit registers (if the software is 64-bit compiled) and > effectively execute 3 to 5 times faster on 64-bit than on 32-bit. > > * Some complex numerical analysis algorithms are limited in their > precision by the errors that can creep in because not all floating > point numbers can be accurately represented with a small number of > bits. Creeping inaccuracies can lead to incorrect results, often > leading to attempts to divide by zero, or to not identify two > quantities as being identical for practical purposes. International > Computers Limited added 128-bit support to the ICL 2900 Series in 1974 > largely as a result of requests from the scientific community." -- INTEL 9xx SOLDIERS SANS FRONTIERS
