upstream/mercurial-mirror Files · mercurial/cext/revlog.h

debugdeltachain: stop summing the same chain over and over...

debugdeltachain: stop summing the same chain over and over Before this patch, delta chain size was computed from scratch for each chain, disregarding the fact very likely already computed the same of length-1 prefix for another revisions. We not cache delta chain size and shortcut the computation when we see them. Just for my mercurial-devel clone, this move the computation from about 17.5 second to about 4.8 seconds.

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             revlog.h
        
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      /*

       revlog.h - efficient revlog parsing

       This software may be used and distributed according to the terms of

       the GNU General Public License, incorporated herein by reference.

      */

      #ifndef _HG_REVLOG_H_

      #define _HG_REVLOG_H_

      #include <Python.h>

      extern PyTypeObject HgRevlogIndex_Type;

      #define HgRevlogIndex_Check(op) PyObject_TypeCheck(op, &HgRevlogIndex_Type)

      #endif /* _HG_REVLOG_H_ */

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				/*
				revlog.h - efficient revlog parsing

				This software may be used and distributed according to the terms of
				the GNU General Public License, incorporated herein by reference.
				*/

				#ifndef _HG_REVLOG_H_
				#define _HG_REVLOG_H_

				#include <Python.h>

				extern PyTypeObject HgRevlogIndex_Type;

				#define HgRevlogIndex_Check(op) PyObject_TypeCheck(op, &HgRevlogIndex_Type)

				#endif /* _HG_REVLOG_H_ */