The Illinois Computing Laboratory of Aerospace Systems and Software (ICLASS) was established to: (1) pursue research in the areas of aerospace computing systems, software and applications of critical importance to NASA, and (2) to develop and maintain close contacts between researchers at ICLASS and at various NASA centers to stimulate interaction and cooperation, and facilitate technology transfer. Current ICLASS activities are in the areas of parallel architectures and algorithms, reliable and fault tolerant computing, real time systems, distributed systems, software engineering and artificial intelligence

Smith, Kathryn A.

English

NASA Technical Reports Server

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N95- 16479
Current Research Activities at the NASA-sponsored
Illinois Computing Laboratory of
Aerospace Systems:and So,ware
: Kat:h_n A: Smith
Assessment::rechnology Branch
Information and ElectromagneticTechnology Division
ResearchandTechnology Groupl
: : i : :
The Illinois Computing Laborato_ of Aerospace Systems
and Software (ICLAS_)is a NAS_ center for excellence in
computer science. ICLASS was established in 1985 with
bj :: i:tWO 0 ectives: .....:: ..... .... :
: ii
(1) to pursue research inthe areas of aerospace
computing systems, software and applications of
critical importance to NASA; and
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(2) to develo p and maintain close contacts between
researchers at ICLASS and at various NASA Centers to
stimulate interaction and cooperation, and facilitate
technology transfer.
Current ICLASS research activities are in the areas of
parallel architectures and algorithms, reliable and fault,
tolerant computing, real-time systems, distributed
systems, software engineering, and artificial intelligence.
563
https://ntrs.nasa.gov/search.jsp?R=19950010064 2020-06-16T08:50:46+00:00Z
ICLASS - March 20, 1992
NationalAeronauticsand SpaceAdministration I : 1LangleyRmerch Cenlw "_
Illinois Computing Laboratory_ for AerosDacP,
Systems and Software (ICLASS)
• NASA Center for excellence, established 1985
• Oblectlvea
-->Pursue research in aerospace computing systems, software and
applications important to NASA
-> Develop close contacts and stimulate interactions between faculty and
students at ICLASS and researchers at NASA
• Performance perlod Dec. 31, 1993- Dec. 30, 1994
Q Annual revlew, May 24-25, 1993
•->Attended by 13 NASA people ( 2 centers & JPL),
1 US Navy, and 4 from industry
-_ Panel presentation by NASA et al.
-.> Presentations by ICLASS researchers
-> Poster sessions presented by students during breaks
• Over 70 recent publications
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ICLASS
ENLARGED
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IN
AEROSPACE
COMPUTER SCIENCE
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SCIENTIFIC
COMMUNITY
- PUBLICATIONS
J - CONFERENCES
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FUTURE NASAMISSIO S
NASA CENTER EXPOSURE TO LEADING
CS RESEARCH
Q Focus attention of CS researchers on NASA related problems
• Involve graduate students and research faculty
Q Enhance NASA Computer Science understanding
_LaRC coordinates and maintains close technical communication
K.A. Sn_h
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564
ICLASS - March 20, 1992
Natmnal A_ona_ics and Space Adrniniltmtion III
Langley Rmellrch Centre
(one student)
Year 0
K,A. Smith
_i3iNASAiiiiiiilCLASS
(A few students)
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..... Transferred
Technologies
& profes_t0nalstaff)
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Lahllley Rlse|rch Cen|ef
ICLASS Overview
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IICLASS (J. Liu, R. lyer Co-Directors) I
Coordinated ! ! _omou,e:Sden_ Deet. [
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K. A. Smith
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565
ICLASS - March 20, 1992
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Developme__ p_a_ Programsfor
Mulllp__Clt_eS ; FunctionalProgrammingand Sclentltlc
...... Forma,zallon olCode Re-UseThrough
DletrlbutedS_e_: ....... VL_onSystems
Parallels_ P_-,-¢=_,_. A.... CAD/CAMS stems
......... _.-._ _nalysts ....... Y
.... : ., .; Manufacturing
I::lllclenl k_!lOn :_ Hne-t,_ralrled
ConcurrentP_ : ....... i ........
HighPeff0_ance MeOW Sy_ems for .... ..............
AdvanCed Mulllprocessors
:1
A DesignEnvironmentorFaultTolerant Systems
DependabilityValldatonof HighPerformance
Systems
k
_li,y_eriflcation,of VHDLDigitalSystems
I I I Iii II
K. A. Smith
:Relialo!e,Dlstrlbuted,Dal_ Managernenl
=syStems :
Real-timeMultlpro_essorOperatingSystems
APrototypeEnv!ronmentot Real-TimeSyStems
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Nation'=l Aeronautics and SpaCe AdministratiOn .......... nunll lii nun II
" Langley Ruearch Canter : : -
Parallel Architecture and AlgorithmF
• Development Of Parallel Programs for Distributed Memory
Multicomputers
Design of efficient parallel algorithms to run on a variety of parallel
architectures
--> Develop algorithms on top of abstract parallel programming framework
(Chare Kernel)
• Multiprocessor Architectures
-'> Developl model and analyze high performance multiprocessor
architectures that are fault tolerant and highly mission adaptive
-> Refine, test and port methodology for modeling and analyzing the
performance of parallel processors under real workloads
Advanced Compilation and ArchltectureTechnology
-> Focus on the architecture and compiler techniques required to close the
gap between peak performance and sustained performance of high
performance multiprocessor systems
• Resource Management for Parallel & Distributed Systems
"> Develop more efficient algorithms for combinatorial searches on sequential
_.__ and parallel computers
I I I
K. A. Smdh
566
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ICLASS - March 20, 1992
Langley _lrch Center :: :
Parallel Architecture and Aloorithms
• Parallel System
•-) Software tool set, Pablo, that supports source code performance
instrumentation and graph_l _dormance analysis:
-) Focus of I_SS street i_iob_ut _otma_ce optimization
• Efficient
-) Focus on:how to imp_ment fi_e_rai_edi obj_pd_nt_d concurrent
programs
from Smali'sCals; _a:red:_m_ rn_iip_¢_ _o_g_'a ned,
massively concurrent muiticomp_erS
• High-Performance Memo_ Sy_ fo_ Advanced MUltlprocessore
--) Research aims at improving Sp_ed Of iargs_scale multiprocessors
Focus of IC_SS student:, mem0_ hierarchy performance of:the operating
system
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K. A. Smith
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National Aeronautics and Space Adrnmist ration .... l llll I r I
" Langley Ruel,'ch Center : ...... : .
Reliable and Fault Tolerant Compptinq
!
• Recovery in Dependable Parallel Archifectures
--) Develop new concepts in reliable memory management for dependable
operation of parallel architectures ....
A Design Environment for Fault Tolerant Systems
-.) Investigate the development of a highly instrumented simulation-based
CAD environment : : .........
-e Environment allows a designer to interactively evaluate the reliability and
performance characteristics of proposed designs during the design process
• Verification of VHDL Digital Systems
•-) Development of System.level verification tools capable of handling large
systems
•-) Emphasis on early detection of design errors
• Dependability Validation of High Performance Systems
Improve memory management performance in object-oriented, dynamically
allocated, garbage collected virtual memory systems
_._ Evaluate reliabilityby fault simulation j
K. k. Smilh
567
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ICLASS - March 20, 1992
j_ National Aer0nautics and Space Adm_nmtrat_on .... i i' "n01eymu,r©h c, ter
Software Entjin_erinq and Artificial Intelliqenea
• Functional Programming and Scientific Computing
-_ Address the problems of expressiveness and efficiency/in functional
programming languages, emphasizing their use for scientific computation
• Formalization of Code Re-Use Through Abstract Algorithms
-) Studyf0rm and use of new abstraction method, using data structure
inde_ndent algorithm skeletons
• Three Dimensional Vision System8
computer vision systems capable of three-dimensional
interpretation of "flat, video mages
• Englneer!ng Integrated CAD/CAM Systems for Reduced Cost
Manufacturing
-> Develop tools which improve interface between design and manufacturing
•-) Move more manufacturability information into the design phase
K. A. Smith
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,)
Nati°naLAerc_autics and Space Administ rati°n ........ iii II [ Ii]11
Langley Rmearch Center
Distributed Systems and Real-Time System_
• Reliable, Distributed, Database Management Systems
-> Design a reliable, distributed database management system
• Multiproceaaor Operating Systems
Design and implement of customizable operating systems for real-time and
high-performance multipmcessor applications
• A Prototyping Environment for Real-Time Systems
-_ Build the Prototyping Environment for Real-Time Systems (PERTS)
-> PERTS an environment for
- Evaluation of new design approaches
- Experimentation with alternative system building blocks
- Analysis and performance profiling of prototype real-time systems
K, A. Smith
568
ICLASS - March 20, 1992
National Aeronautics and Space Adm nistralion
Langley Research Center
Typical ICLASS Project Lifecycle
I¢"
f
Transferred
(one student)
Year 0
K.A. Sm_h
..... ,_ _,_,lndustryN,sAICL,SS1
(A few students)
--" (_-10-10+ students
& professional staff)
7-3 4-6
National Am'onautics and Space AdmmistratK)n ..... . ......
- Langley Ruearch Center n =
ICLASS Technoloav Transfer
DEPEND, Dependability Analysis Tool - IBM,Raytheon, Boeing
PERTS, Real-time Prototyping Tool - Tri-Pacific (to market), IBM,
NASA Ames, NSWC
Pablo, Parallel System Perle rmance - NASA GSFC, ARPA
Concert, Efficient Execution of Fine-Grained Concurrent Programs -
Caterpillar
TEACHER, Resource Management for Parallel and Distributed Systems -
NASA ARC
IMPACT, Compilation for Superscalar and Multiprocessor Architectures -
HP Labs., Intel, Sun Labs.
b-'k A A A a, A A A A AA A A A A A A _A A 'k A A A A A A A A A -*= A A,d_ A A A A A A A A A
For more information contact: Kathryn Smith, X41699
kas@ sunspot.larc.nasa.gov
K. A. Sn'nth
569


Current research activities at the NASA-sponsored Illinois Computing Laboratory of Aerospace Systems and Software

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