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Diffstat (limited to 'mcon/U/d_speedopt.U')
| -rw-r--r-- | mcon/U/d_speedopt.U | 62 |
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diff --git a/mcon/U/d_speedopt.U b/mcon/U/d_speedopt.U new file mode 100644 index 0000000..07e68e8 --- /dev/null +++ b/mcon/U/d_speedopt.U @@ -0,0 +1,62 @@ +?RCS: $Id: d_speedopt.U 167 2013-05-08 17:58:00Z rmanfredi $ +?RCS: +?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi +?RCS: +?RCS: You may redistribute only under the terms of the Artistic License, +?RCS: as specified in the README file that comes with the distribution. +?RCS: You may reuse parts of this distribution only within the terms of +?RCS: that same Artistic License; a copy of which may be found at the root +?RCS: of the source tree for dist 4.0. +?RCS: +?RCS: $Log: d_speedopt.U,v $ +?RCS: Revision 3.0.1.1 1994/10/29 16:15:51 ram +?RCS: patch36: call ./Cppsym explicitly instead of relying on PATH +?RCS: +?RCS: Revision 3.0 1993/08/18 12:07:27 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:d_speedopt: Myread Cppsym Oldconfig cat models Setvar +?MAKE: -pick add $@ %< +?S:d_speedopt: +?S: This variable conditionally defines the SPEED_OVER_MEM symbol, which +?S: indicates to the C program that it can burn memory in order to save +?S: CPU time. +?S:. +?C:SPEED_OVER_MEM (SPEEDOVERMEM): +?C: This symbol, if defined, indicates that the program can use more +?C: memory in order to reduce CPU time. The symbol doesn't say whether +?C: we are more interested in saving text space or data space. +?C:. +?H:#$d_speedopt SPEED_OVER_MEM /**/ +?H:. +?LINT:set d_speedopt +: do we want speed at the expense of memory +$cat <<'EOM' + +I can try to optimize this package for either speed or memory. If you have +limited address space you may wish to optimize for memory. Otherwise you +should probably optimize for speed. + +EOM +case "$d_speedopt" in +'') if ./Cppsym $smallmach; then + case "$models" in + *large*|*huge*) dflt=speed;; + *) dflt=memory;; + esac + else + dflt=speed + fi + ;; +*define*) dflt=speed;; +*) dflt=memory;; +esac +rp="What to optimize for?" +. ./myread +case "$ans" in +mem*) val="$undef";; +*) val="$define";; +esac +set d_speedopt +eval $setvar + |