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Variety of performance improvements.

Browse Source 
* bjam; bump to version 3.1.12
* bjam; make it possible to build in MinGW/MSYS shell
* bjam; move profile code to debug.h/c to make it available for use everywhere
* bjam; cache all filesystem query operations, Unix and Windows only, include PWD and scanning
* bjam; add memory profile info, and sprinkle throught code
* bbv2; rewrite some while() loops into for() loops to reduce time and memory
* bbv2; keep a single instance counter instead of one per type to reduce memory use
* bjam+bbv2; change NORMALIZE_PATH builtin to join path parts to reduce memory use


[SVN r31177]
This commit is contained in:
Rene Rivera
2005-10-03 00:47:36 +00:00
parent 1fa3a7afab
commit eed0cf6cc3
40 changed files with 738 additions and 304 deletions
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7
src/engine/command.c
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@@ -20,6 +20,7 @@
# include "parse.h"
# include "variable.h"
# include "rules.h"
# include "debug.h"
# include "command.h"
# include <limits.h>
@@ -42,6 +43,9 @@ cmd_new(
int max_line = MAXLINE;
int allocated = -1;
if ( DEBUG_PROFILE )
profile_memory( sizeof( CMD ) );
cmd->rule = rule;
cmd->shell = shell;
cmd->next = 0;
@@ -56,6 +60,9 @@ cmd_new(
free(cmd->buf); /* free any buffer from previous iteration */
cmd->buf = (char*)malloc(max_line + 1);
if ( DEBUG_PROFILE )
profile_memory( max_line + 1 );
if (cmd->buf == 0)
break;