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Thread View: comp.sys.transputer
1 messages
1 total messages Started by Scott Cannon Wed, 01 Aug 1990 15:11
C++
#845
Author: Scott Cannon
Date: Wed, 01 Aug 1990 15:11
23 lines
1669 bytes
  >We are very interested in using the transputer in a multiprocessor 
  >embedded design.  I am looking for information on other's experience 
  >in using multiple transputers in an embedded system design.  I am also 
  >looking for information or pointers to information regarding C++ 
  >compilers, (etc.)..

  I don't know what your platform is, but here is a brief comment on using
Turbo C++ on a PC host.  An embedded system consists of course, of two 
software systems; the transputer code and the code running on the host to
handle the I/O interface and provide user routines which can be called
from the transputer system (cioext() on LSC).  Turbo C++ works fine for the
host code if the large/huge model is used, but compilation, linking, and
editing interaction are so much slower than plain Turbo C, that we've gone
back to that.  The advantages of OOPS just didn't seem worth the frustration,
even on 286/386 systems.  By the way, Turbo C++ requires more than 6MB of
disk.
  While I have the floor... We found that by a) using the Alta Technology
Superlink XL card (with a 16-bit PC interface) to host our trams, and b) 
doing block disk I/O in cioext(), we were able to speed up disk reads by a
factor of about 2 over plain-vanilla fread()'s on a transputer.

  S. Cannon, Utah State Univ.   scott@cannon.cs.usu.edu
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