This is BibTeX, Version 0.99c (TeX Live 2009/Debian)
The top-level auxiliary file: paper_lniv_gpu.aux
The style file: IEEEtran.bst
Reallocated wiz_functions (elt_size=4) to 6000 items from 3000.
Database file #1: IEEEabrv.bib
Database file #2: biblio.bib
-- IEEEtran.bst version 1.13 (2008/09/30) by Michael Shell.
-- http://www.michaelshell.org/tex/ieeetran/bibtex/
-- See the "IEEEtran_bst_HOWTO.pdf" manual for usage information.
Warning--empty booktitle in caselles97

Done.
You've used 17 entries,
            4039 wiz_defined-function locations,
            1330 strings with 18568 characters,
and the built_in function-call counts, 12933 in all, are:
= -- 1009
> -- 306
< -- 104
+ -- 169
- -- 51
* -- 646
:= -- 1900
add.period$ -- 35
call.type$ -- 17
change.case$ -- 17
chr.to.int$ -- 258
cite$ -- 18
duplicate$ -- 920
empty$ -- 1098
format.name$ -- 65
if$ -- 2979
int.to.chr$ -- 0
int.to.str$ -- 17
missing$ -- 163
newline$ -- 84
num.names$ -- 17
pop$ -- 404
preamble$ -- 1
purify$ -- 0
quote$ -- 2
skip$ -- 990
stack$ -- 0
substring$ -- 619
swap$ -- 740
text.length$ -- 18
text.prefix$ -- 0
top$ -- 5
type$ -- 17
warning$ -- 1
while$ -- 55
width$ -- 19
write$ -- 189
(There was 1 warning)