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Paper Details

  title = "tranx86 -- {A}n {O}ptimising {ETC} to {IA}32 {T}ranslator",
  author= "Barnes, Frederick R. M.",
  editor= "Chalmers, Alan G. and Mirmehdi, Majid and Muller, Henk",
  pages = "265--282",
  booktitle= "{C}ommunicating {P}rocess {A}rchitectures 2001",
  isbn= "1 58603 202 X",
  year= "2001",
  month= "sep",
  abstract= "This paper describes tranx86, a program which converts
     Extended Transputer Code (ETC) from a modified Inmos occam
     compiler, into IA32 code for execution on the Intel i386
     family of processors within the KRoC/Linux system. Several
     optimisations are employed in an attempt to maximise
     performance on this family of processors, including
     optimisations in the CCSP run-time kernel. These include a
     graph-colouring type register allocation scheme and various
     inlining of code. While tranx86 is mostly architecture
     dependent, effort has been made to allow the use of
     arbitrary schedulers, although currently CCSP is the only
     fully supported one. Various benchmark programs are used to
     compare the performance of this translator with the old
     system, giving significant time wins in some cases. For the
     commstime benchmark program on an 800 MHz Pentium-3, the old
     KRoC/Linux system gave 233 ns per communication (2 context
     switches); the new one, with optimisations and inlining,
     gives 67 ns per communication -- more than a 3-fold
     reduction in overheads."

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