Slide deck presented at NBQSA, Sri Lanka - 2012 This project was awarded Gold at this competition

1. SIYAPATH
P2P, Gossip Based Volunteer Computing Framework

2. RISING DEMAND FOR
HIGH COMPUTATIONAL POWER
 Simulations
 Analysis of large data from optical telescopes
 Gene sequencers
 Gravitational wave detectors
 Edge-detection for high resolution medical
image sequences
 Biology-inspired algorithms
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National Best Quality Software Awards, Sri Lanka - 2012

3. HOW TO ADDRESS?
 Supercomputing
 Distributed Computing
 Cluster Computing
 Grid/Desktop-Grid Computing
 Volunteer Computing
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4. EXISTING VOLUNTEER
COMPUTING FRAMEWORKS
 Client Server Architecture
 Server bottleneck
 Single point of failure
 Complexity of Configuring
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5. INTRODUCING SIYAPATH
 P2P Architecture
 Absence of server bottleneck
 Absence of single point of failure
 Gossip Protocols
 Scalability
 Robustness
 Reliability
 Simplicity in Configuring
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6. FEATURES
 Job Submission
 Job Scheduling User Job Processor
 Task Distribution
 Task Processing
 Result Validation
 Result Delivery
Task Task Task
 Fault Tolerance Processor Processor Processor
 Security
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7. DEMONSTRATION
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National Best Quality Software Awards, Sri Lanka - 2012

8. PERFORMANCE TESTING
Test 1 2 3 4 5
Users 5 10 15 20 25
Volunteers 30 30 30 30 30
Avg. Response Time (s) 52.16 89.63 136.29 211.02 249.25
Avg. Throughput (Tasks per 126.76 136.45 130.03 109.49 125.96
minute)
Average Response Time Average Throughput
300 160
250 140
120
Tasks per minute
Time (seconds)
200
100
150 80
100 60
40
50
20
0 0
1 2 3 4 5 1 2 3 4 5
8 Test
National Best Quality Software Awards, Sri Lanka - 2012
Test

9. BEST PRACTICES
 Version control system
 Build Automation
 Unit / Integrated testing
 Logging
 Continuous Integration
 User friendly Website
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10. OPEN SOURCE COMPONENTS
 Services Framework - Apache Thrift
 Communication via a service interface
 Addresses implementation details of the network
 P2P nature using thrift client/server
 System Monitoring – SIGAR
 Apache Maven
 Apache Log4j
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11. DOCUMENTATION
 User manuals for the framework
 User API Docs
 Research publications
 Project Website
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12. TEAM
 Members:
 Amila Manoj Silva
 Nadeeshani Hewage
 Mohamed Nufail
 Malith Dhanushka
 Supervisors:
 Dr. Srinath Perera
 Mrs. Vishakha Nanayakkara
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13. Questions?
Thank You!
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National Best Quality Software Awards, Sri Lanka - 2012