[elephant-devel] get-instances-by-value andget-instances-by-class

Sat Mar 6 20:28:54 UTC 2010

Hi Alex,

you' re right!
I spent the entire day with debugging the problem on several systems.
I think the problem is caused by the compilation of elephant. Concerning the 
compilation problem I wrote to the list some time ago( [elephant-devel] installing elephant 1.0 from repository). The last email of 
this thread is attached.
Well I solved this problem - at least, currently it looks like I did - by removing 
all .fasl files and recompiling elephant directly in sbcl and not in slime. 
So the gcc-call does not fail when I call (asdf:operate 'asdf:load-op 
:elephant).

Best regards

Lukas

--------------------------------------------------
From: "Alex Mizrahi" <killerstorm at newmail.ru>
Sent: Saturday, March 06, 2010 6:52 PM
To: "elephant-devel" <elephant-devel at common-lisp.net>; 
<lukas.giessmann at hotmail.de>
Subject: Re: [elephant-devel]get-instances-by-valueandget-instances-by-class> hi
>
> > it seems that there is a problem with sbcl and linux 64-bit.
> > I noticed that this problems does not appear on my 32-bit systems only 
> > on
> the 64-bit systems.
>
> I've tested it on Debian 5.0 64-bit: SBCL 1.0.18, BDB 4.6, both stock from 
> Debian packages.
> There is no leak neither for get-instances-by-value, nor ofr 
> get-instances-by-class:
>
> CL-USER> (require 'ele-bdb)
> ...
> CL-USER> (use-package :elephant)
> T
> CL-USER> (open-store '(:bdb #p"mydb/"))
> #<BDB-STORE-CONTROLLER mydb/>
> CL-USER> (defpclass bigj () ((slo1 :accessor slot1 :initarg :slot1 :index 
> t)))
> #<PERSISTENT-METACLASS BIGJ>
> CL-USER> (make-instance 'bigj :slot1 "goethe")
> #<BIGJ oid:2>
> CL-USER> (make-instance 'bigj :slot1 "goethe2")
> #<BIGJ oid:4>
> CL-USER> (make-instance 'bigj :slot1 "goeth")
> #<BIGJ oid:5>
> CL-USER> (dotimes (i 1000000)
>           (get-instances-by-value 'bigj 'slo1 "goethe"))
> NIL
> CL-USER> (dotimes (i 1000000)
>           (get-instances-by-class 'bigj))
> NIL
> CL-USER> (dotimes (i 1000000)
>           (get-instance-by-value 'bigj 'slo1 "goethe"))
> NIL
>
> Both before and after tests SBCL had resident set size of 100 MB, as 
> measured by `top`.
>
> So I guess it is an error with a specific version of SBCL or BDB, so try 
> different versions.
> 

--Weitergeleitete E-Mail-Anlagen--
From: lukas.giessmann at hotmail.de
To: elephant-devel at common-lisp.net
Date: Tue, 15 Dec 2009 15:08:26 +0100
Subject: Re: [elephant-devel] installing elephant 1.0 from repository

Hi Ian,

thanks for you answer.
The gcc build via asdf works fine in the latest revision - but the darcs warning is still there. At the moment it looks like it causes no problems.

Best regards

Lukas

From: eslick at media.mit.edu
Date: Mon, 14 Dec 2009 07:53:23 -0800
To: elephant-devel at common-lisp.net
Subject: Re: [elephant-devel] installing elephant 1.0 from repository

Hi Lukas,
I haven't seen that particular darcs problem before, although I have seen the gcc build via asdf fail but work when done manually.  This may be fixed in the latest head, actually.  You might try pulling elephant-1.0 without the --tag option and see if that fixes it.
Best,Ian
On Dec 14, 2009, at 6:49 AM, Lukas Gießmann wrote:Hi,

I am wondering about my installation of elephant 1.0.

I just tried to install elephant 1.0 directly from the darcs repository by the command "darcs gethttp://www.common-lisp.net/project/elephant/darcs/elephant-1.0" and/or "darcs get --tag=ELEPHANT-1-0-A2http://www.common-lisp.net/project/elephant/darcs/elephant-1.0". When the repository was downloaded on the system, darcs displayed the message "Warning: CRC errors found. These are probably harmless but should be repaired.
See 'darcs gzcrcs --help' for more information."
The commands "darcs gzcrcs --check" and "darcs gzcrcs --repair" had no effects.

When I was loading elephant on sbcl with slime, it stopped to work at the command "gcc -L/usr/local/BerkeleyDB.4.5/lib/ -I/usr/local/BerkeleyDB.4.5/include/ -shared -march=x86-64 -fPIC -Wall -g -O2 -g /home/lukas/.sbcl/site/elephant-1.0/src/db-bdb/libberkeley-db.c -o /var/cache/common-lisp-controller/1000/sbcl/local/home/lukas/.sbcl/site/elephant-1.0/src/db-bdb/libberkeley-db.so -lm".

My work-around was to execute the last command in the shell and to recompile elephant in slime/sbcl.
I am not sure if this is a bug or if I did something wrong?
Maybe there is someone with the same problem?

Best regards

Lukas

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