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diff --git a/src/phys/place/README b/src/phys/place/README new file mode 100644 index 00000000..d4f8ac8f --- /dev/null +++ b/src/phys/place/README @@ -0,0 +1,50 @@ +/*===================================================================*/ +// +// GORDIAN-like placement package +// +// Aaron P. Hurst (ahurst@eecs.berkeley.edu) +// Addl code from Philip Chong (pchong@cadence.com) +// hMetis partitioner (www.cs.umn.edu/~metis) +// +/*===================================================================*/ + +1. Requirements + +An i386 Linux system (though others will certainly work with some tweaks). +A standard ANSI C development platform. + +The following are optional, but useful: + +- hMetis partitioner. This can be obtained from (www.cs.umn.edu/~metis) + Place (links to) the files "libhmetis.a" and "libhtmetis.h" in this directory. + Otherwise, #define NO_HMETIS in the file "place_gordian.h" +- Java SDK, if compiling BookshelfView is desired. +- Perl, if additional script utilities are desired. + +2. Descriptions of contents: + +place_base.h contains the basic data structures and "external" API. +place_gordian.h contains the "internal" API and configuration options. + +There are also several utilities: + +i) place_test + +Reads a netlist description in GSRC Bookshelf format, performs global placement, +and rewrites the placement file. An example usage: + +./place_test ac97_emap.nodes ac97_emap.nets ac97_emap.pl + +ii) BookshelfView + +A simple Java GUI to view the resulting placements. It has been tested with +Java 5 and 6. Usage: + +java BookshelfView ac97_emap.nodes ac97_emap.pl + +iii) hpwl + +A perl script to print the half-perimeter wirelength of a placement. Usage: + +./hpwl ac97_emap.nets ac97_emal.pl + |