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*** dBench v1.01 ***
*** (c) Integrated Information Technology Inc 1990 ***
Contents:
DEMO.bat - Type this to run dBench
IIT.exe - Run-time diagnostics/benchmark program
F4X4.exe - 4 x 4 simulation program
F1.exe - First benchmark test program
F2.exe - Second benchmark test program
EGAVGA.bgi - Graphics driver file
HERC.bgi - Graphics driver file
MSHERC.com - Microsoft hercules graphics utility
Plus DIRECTORY
F4X4 - Contains libraries and example test programs for
use with the 4x4 embedded instruction
The dBench utility provides diagnostics, benchmarking and 4x4 simulation
in a single menu-driven package.
** DIAGNOSTICS **
This section performs a comprehensive series of tests on the coprocessor
after first identifying CPU and FPU type.
** BENCHMARKS **
This section performs a varied series of floating point calculations. The
tests are carried out twice, on the first pass, the coprocessor is given
the calculations, on the second the coprocessor is ignored. An estimate
of the improvement is finally given.
NOTE:
Some disk activity takes place during the benchmark tests. The benchmark
calculations are carried out ignoring such activity (as they should be).
The effect of this howvere is that if running from floppy disk the elapsed
time of the test will be somewhat longer than the figure displayed. In
order to minimise this effect it is recommended that the tests are copied
onto your hard disk before starting.
** 4 X 4 **
This section performs a simulation of the benefits to be gained by using
the 4x4 microcode over attempting to perform a similar series of calculations
by software. Some brief information on the 4x4 code is incorporated in
the program, further information and the library modules and example
source code are to be found in the directory F4X4.