Re: [PATCH 1/5] pretty describe: add name info to struct commit

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Alex Riesen schrieb:
> René Scharfe, Sun, Nov 04, 2007 12:48:22 +0100:
>> diff --git a/commit.h b/commit.h
>> index b661503..80e94b9 100644
>> --- a/commit.h
>> +++ b/commit.h
>> @@ -18,6 +18,9 @@ struct commit {
>>  	struct commit_list *parents;
>>  	struct tree *tree;
>>  	char *buffer;
>> +	char *name;
>> +	unsigned int name_flags;
>> +	char name_prio;
>>  };
> 
> It increases size of struct commit by ~12 bytes (assuming 4byte
> allignment), and this is a popular structure. Besides, the three new
> fields used by only git-describe, which nobody has in their top-ten
> used commands (see "best git practices" thread).

True.  When I was looking for a place for the name info I was a bit
worried about this increase, but dismissed it after looking at the
kernel repository: there are ca. 140000 commits, which means my patch
increased memory usage by 2MB for commands that operate on all commits
at the same time.  I haven't taken any measurements to back up this
estimate, though..

I had looked briefly at the decorate stuff that Dscho mentioned in
another reply, but I can't remember why I didn't use it.  Guess I wasn't
motivated enough by those 2MB. ;-)  I'll take another look.

Thanks,
René
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