NDLI: Efficient, portable implementation of asynchronous multi-place programs

Content Provider	ACM Digital Library
Author	Peshansky, Igor Sur, Sayantan Varma, Pradeep Nandivada, V. Krishna Saraswat, Vijay A. Bikshandi, Ganesh Kodali, Sreedhar B. Wen, Tong Castanos, Jose G.
Abstract	The X10 programming language is organized around the notion of places (an encapsulation of data and activities operating on the data), partitioned global address space (PGAS), and asynchronous computation and communication. This paper introduces an expressive subset of X10, Flat X10, designed to permit efficient execution across multiple single-threaded places with a simple runtime and without compromising on the productivity of X10. We present the design, implementation and evaluation of a compiler and runtime system for Flat X10. The Flat X10 compiler translates programs into C++ SPMD programs communicating using an active messaging infrastructure. It uses novel techniques to transform explicitly parallel programs into SPMD programs. The runtime system is based on IBM's LAPI (Low-level API) and is easily portable to other libraries such as GASNet and ARMCI. Our implementation realizes performance comparable to hand-written MPI programs for well-known HPC benchmarks such as Random Access, Stream, and FFT, on a Federation-based cluster of Power5 SMPs (with hundreds of processors) and the Blue Gene (with thousands of processors). Submissions based on the work presented in this paper were co-winners of the 2007 and 2008 HPC Challenge Type II Awards.
Starting Page	271
Ending Page	282
Page Count	12
File Format	PDF
ISSN	03621340 15581160
DOI	10.1145/1594835.1504215
Journal	ACM SIGPLAN Notices (SIGP)
Volume Number	44
Issue Number	4
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1983-05-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Compiler Apgas Runtime Spmd Fft Hpc challenge X10 Random access Asynchrony Hpc Stream Pgas
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Software

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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