DHRYSTON.1
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上传日期:2007-01-18
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- .TH DHRYSTONE 1
- .SH NAME
- dhrystone - integer benchmark
- .SH SYNOPSIS
- fBdhrystonefR
- .br
- .de FL
- .TP
- \fB\$1\fR
- \$2
- ..
- .de EX
- .TP 20
- \fB\$1\fR
- # \$2
- ..
- .SH EXAMPLES
- .EX "dhrystone" "Run the dhrystone benchmark"
- .SH DESCRIPTION
- .PP
- Many years ago, a floating-point benchmark called fIwhetstonefR was
- popular for benchmarking FORTRAN programs.
- Nowadays, an integer benchmark called fIdhrystonefR is widely used
- for benchmarking UNIX systems.
- This is it.
- Be warned, however, that fIdhrystonefR is entirely CPU bound, and
- goes blindingly fast on machines with high-speed caches.
- Although this is a good measure for programs that spend most of their
- time in some inner loop, it is a poor benchmark for I/O bound applications.