Philippas Tsigas
Showing 243 publications
PARMA-CC: A Family of Parallel Multiphase Approximate Cluster Combining Algorithms
IP. LSH. DBSCAN : Integrated Parallel Density-Based Clustering Through Locality-Sensitive Hashing
STRETCH: Virtual Shared-Nothing Parallelism for Scalable and Elastic Stream Processing
pi-Lisco: parallel and incremental stream-based point-cloud clustering
Performance Analysis and Modelling of Concurrent Multi-access Data Structures
The Impact of Synchronization in Parallel Stochastic Gradient Descent
ASAP.SGD: Instance-based Adaptiveness to Staleness in Asynchronous SGD
MAD-C: Multi-stage Approximate Distributed Cluster-combining for obstacle detection and localization
ScaleJoin: a Deterministic, Disjoint-Parallel and Skew-Resilient Stream Join
TSLQueue: An Efficient Lock-Free Design for Priority Queues
Concurrent linearizable nearest neighbour search in LockFree-kD-tree
Consistent lock-free parallel stochastic gradient descent for fast and stable convergence
PARMA-CC: Parallel Multiphase Approximate Cluster Combining
Lock-Free Search Data Structures: Throughput Modeling with Poisson Processes
Lock-free concurrent data structures and how to model their performance
MindTheStep-AsyncPSGD: Adaptive Asynchronous Parallel Stochastic Gradient Descent
Modeling the performance of atomic primitives on modern architectures
MAD-C: Multi-stage Approximate Distributed Cluster-Combining for Obstacle Detection and Localization
Analysis of door openings of refrigerated display cabinets in an operational supermarket
Viper: Communication-layer determinism and scaling in low-latency stream processing
Shared-object system equilibria: Delay and throughput analysis
Concurrent lock-free unbounded priority queue with mutable priorities
Viper: A module for communication-layer determinism and scaling in low-latency stream processing
Concurrent linearizable nearest neighbour search in lockfree-kd-Tree
Wait-Free Programming for General Purpose Computations on Graphics Processors
Performance modeling of stream joins
Peppher: Performance Portability and Programmability for Heterogeneous Many-Core Architectures
How lock-free data structures perform in dynamic environments: Models and analyses
Maximizing determinism in stream processing under latency constraints
Lock-Free Concurrent Data Structures
Scalable Lock-Free Vector with Combining
Help-optimal and Language-portable Lock-free Concurrent Data Structures
Customization methodology for implementation of streaming aggregation in embedded systems
Shared-object system equilibria: Delay and throughput analysis
Highly concurrent stream synchronization in many-core embedded systems
Help-Optimal and Language-Portable Lock-Free Concurrent Data Structures
A Systematic Methodology for Optimization of Applications Utilizing Concurrent Data Structures
Of concurrent data structures and iterations
Modeling Energy Consumption of Lock-Free Queue Implementations
Analyzing the Performance of Lock-Free Data Structures: A Conflict-Based Model
ScaleJoin: a Deterministic, Disjoint-Parallel and Skew-Resilient Stream Join
Modeling Energy Consumption of Lock-Free Queue Implementations
A Consistency Framework for Iteration Operations in Concurrent Data Structures
Shared-object System Equilibria: Delay and Throughput Analysis
ScaleJoin: a Deterministic, Disjoint-Parallel and Skew-Resilient Stream Join
Data-Streaming and Concurrent Data-Object Co-design: Overview and Algorithmic Challenges
Concurrent Linearizable Nearest Neighbour Search in LockFree-kD-tree
Performance and power consumption evaluation of concurrent queue implementations in embedded systems
Deterministic Real-Time Analytics of Geospatial Data Streams through ScaleGate Objects
The lock-free k-LSM relaxed priority queue
Data structures for task-based priority scheduling
Self-stabilizing TDMA algorithms for wireless ad-hoc networks without external reference
A Graph-Based Analysis of Medical Queries of a Swedish Health Care Portal
Modeling and Analyzing the Performance of Lock-Free Data Structures
ParMarkSplit: A Parallel Mark-Split Garbage Collector Based on a Lock-Free Skip-List
Evaluation of message passing synchronization algorithms in embedded systems
Concurrent Data Structures in Architectures with Limited Shared Memory Support
Enhancing Concurrent Data Structures with Concurrent Iteration Operations
Efficient lock-free binary search trees
Brief announcement: Concurrent data structures for efficient streaming aggregation
Overlapping Communities for Identifying Misbehavior in Network Communications
A Local Seed Selection Algorithm for Overlapping Community Detection
Scalable group communication supporting configurable levels of consistency
Configurable Strategies for Work-stealing
Self-stabilizing TDMA Algorithms for Wireless Ad-hoc Networks without External Reference
Bridging Physical and Digital Traffic System Simulations with the Gulliver Test-Bed
A Study of the Behavior of Synchronization Methods in Commonly Used Languages and Systems
Concurrent Data Structures for Efficient Streaming Aggregation
Supporting Lock-Free Composition of Concurrent Data Objects: Moving Data Between Containers
Lock-free Concurrent Data Structures
On Using the Gulliver Platform for Bridging Physical and Digital Traffic System Simulations
Topic 12: Theory and algorithms for parallel computation (Introduction)
Work-stealing with Configurable Scheduling Strategies
Self-stabilizing TDMA Algorithms for Wireless Ad-Hoc Networks without External Reference
Cooperative driving for best road network capacity
Safe System-level Concurrency for Resource-Constrained Nodes
ACM Journal on Experimental Algorithmics Special Issue on Multicore Algorithms
KARYON: Towards Safety Kernels for Cooperative Vehicular Systems
Towards Modeling Legitimate and Unsolicited Email Traffic Using Social Network Properties
Self-stabilizing (k,r)-clustering in Clock Rate-limited Systems
Autonomous TDMA Alignment for VANETs
An Evaluation of Community Detection Algorithms on Large-Scale Email Traffic
Understanding the Performance of Concurrent Data Structures on Graphics Processors
Mining Network-Level Communication Patterns of Email Traffic for Spotting Unsolicited Email
CoMarkSplit: A Concurrent Mark-Split Garbage Collector
The anti-social behavior of spam
Security in wireless sensor networks
Adapting Lock-Free Concurrent Data Objects to Support a Generic Move Operation
Dynamic Load Balancing using Work-Stealing
A self-stabilizing (k,r)-clustering algorithm with multiple paths for wireless Ad-hoc networks
PEPPHER: Efficient and Productive Usage of Hybrid Computing Systems
Progress guarantees when composing lock-free objects
A lock-free algorithm for concurrent bags
Mapping Systems Security Research at Chalmers
A Lock-Free Algorithm for Concurrent Bags
Robust and scalable middleware for selfish-computer systems
Structural and Temporal Properties of Email and Spam Networks
On Collection of Large-Scale Multi-Purpose Datasets on Internet Backbone Links
CluB: A Cluster Based Framework for Mitigating Distributed Denial of Service Attacks
Secure and self-stabilizing clock synchronization in sensor networks
Cache-Aware Lock-Free Queues for Multiple Producers/Consumers and Weak Memory Consistency
Supporting Lock-Free Composition of Concurrent Data Objects
Game authority for robust and scalable distributed selfish-computer systems
Supporting Lock-Free Composition of Concurrent Data Objects
Towards a Software Transactional Memory for Graphics Processors
NBmalloc: Allocating Memory in a Lock-Free Manner
Mitigating Distributed Denial of Capability Attacks Using Sink Tree Based Quota Allocation
Self-stabilizing (k,r)-Clustering in Wireless Ad-hoc Networks with Multiple Paths
Analyzing the Social Structure and Dynamics of E-mail and Spam in Massive Backbone Internet Traffic
Secure and Self-stabilizing Clock Synchronization in Sensor Networks
Supporting Lock-Free Composition of Concurrent Data Objects
A* Algorithm for Graphics Processors
The Synchronization Power of Coalesced Memory Accesses
Self-stabilizing (k,r)-Clustering in Wireless Ad-hoc Networks with Multiple Paths
Supporting Lock-Free Composition of Concurrent Data Objects
CluB: A Cluster Based Method for Mitigating Distributed Denial of Service Attacks
Brushing the Locks out of the Fur: A Lock-Free Work Stealing Library
NB-FEB: A Universal Scalable Easy-to-Use Synchronization Primitive for Manycore Architectures
GPU-Quicksort: A practical Quicksort algorithm for graphics processors
Efficient and Reliable Lock-Free Memory Reclamation Based on Reference Counting
Supporting Lock-Free Composition of Concurrent Data Objects
Preliminary results on nb-feb, a synchronization primitive for parallel programming
Online search with time-varying price bounds
Non-blocking programming on multi-core graphics processors
Towards a Software Transactional Memory for CUDA
Dynamic Transparency for 3D Visualization: Design and Evaluation
Secure and Self-stabilizing Clock Synchronization in Sensor Networks
NOBLE: non-blocking programming support via lock-free shared abstract data types
ContikiSec: A Secure Network Layer for Wireless Sensor Networks under the Contiki Operating System
Wait-free Programming for General Purpose Computations on Graphics Processors
A Taxonomy of 3D Occlusion Management for Visualization
Multiword atomic read/write registers on multiprocessor systems
NB-FEB: An Easy-to-Use and Scalable Universal Synchronization Primitive for Parallel Programming
The Synchronization Power of Coalesced Memory Accesses
On Sorting and Load-Balancing on GPUs
DataMeadow: a visual canvas for analysis of large-scale multivariate data
On Sorting and Load-Balancing on GPUs
Brief Announcement: Wait-free Programming for General Purpose Computations on Graphics Processors
A Practical Quicksort Algorithm for Graphics Processors
The Synchronization Power of Coalesced Memory Accesses
Evaluating motion constraints for 3D wayfinding in immersive and desktop virtual environments
A Practical Quicksort Algorithm for Graphics Processors
Lock-Free Deques and Doubly Linked Lists
On Dynamic Load Balancing on Graphics Processors
Game Authority for Robust and Scalable Distributed Selfish Computer Systems
Secure and Self-Stabilizing Clock Synchronization in Sensor Networks
Employing Dynamic Transparency for 3D Occlusion Management: Design Issues and Evaluation
CiteWiz: a tool for the visualization of scientific citation networks
TrustNeighborhoods: Visualizing Trust in Distributed File Sharing Systems
LYDIAN: An Extensible Educational Animation Environment for Distributed Algorithms
Self-tuning reactive diffracting trees
DataMeadow: A Visual Canvas for Analysis of Large-Scale Multivariate Data
Tour Generation for Exploration of 3D Virtual Environments
Topic 8 Distributed Systems and Algorithms
DataMeadow: A Visual Canvas for Analysis of Large-Scale Multivariate Data
A Taxonomy of 3D Occlusion Management Techniques
Efficient Self-tuning Spin-locks Using Competitive Analysis
View-projection animation for 3D occlusion management
Secure and Fault-Tolerant Clock Synchronization in Sensor Networks
Competitive Freshness Algorithms for Wait-free Data Objects
Wait-Free Queue Algorithms for the Real-time Java Specification
Using 3D Audio Guidance to Locate Indoor Static Objects
On Navigation Guidance for Exploration of 3D Environments
Image-Space Dynamic Transparency for Improved Object Discovery in 3D Environments
View Projection Animation for Occlusion Reduction
Lightweight Causal Cluster Consistency
Lightweight Causal Cluster Consistency
Practical and Efficient Lock-Free Garbage Collection Based on Reference Counting
Efficient and Reliable Lock-Free Memory Reclamation Based on Reference Counting
Efficient Multi-Word Locking Using Randomization
Fast and Lock-Free Concurrent Priority Queues for Multi-Thread Systems
TrustNeighborhoods: Visualizing Trust in Distributed File Sharing Systems
Competitive Freshness Algorithms for Wait-free Data Objects
Lightweight Causal Cluster Consistency
Reactive Spin-locks: A Self-tuning Approach
Reactive Spin-locks: A Self-tuning Approach
Dynamic and fault-tolerant cluster management
One-Way Trading with Time-Varying Exchange Rate Bounds
Reducing Occlusion in 3D Environments Through Smooth Camera Projection Animation
Allocating memory in a lock-free manner
Dynamic and fault-tolerant cluster management
Multi-word Atomic Read/Write Registers on Multiprocessor Systems
Self-tuning Reactive Distributed Trees for Counting and Balancing
Lightweight Causal Cluster Consistency
Multi-word Atomic Read/Write Registers on Multiprocessor Systems
Scalable and Lock-Free Concurrent Dictionaries
Reactive multi-word synchronization for multiprocessors
Allocating memory in a lock-free manner
Simple Wait-Free Snapshots for Real-Time Systems with Sporadic Tasks
Animated Visualization of Causal Relations Through Growing 2D Geometry
Lock-Free and Practical Doubly Linked List-Based Deques using Single-Word Compare-And-Swap
Lock-Free and Practical Deques using Single-Word Compare-And-Swap
CiteWiz: A Tool for the Visualization of Scientific Citation Networks
3Dwm: A Platform for Research and Development of Three-Dimensional User Interfaces
Fast and Lock-Free Concurrent Priority Queues for Multi-Thread Systems
Scalable and Lock-Free Concurrent Dictionaries Extended Version
Simple Wait-Free Snapshots for Real-Time Systems with Sporadic Tasks
Causality Visualization Using Animated Growing Polygons
Growing Squares: Animated Visualization of Causal Relations
Fast, reactive and lock-free multi-word compare-and-swap algorithms
Reactive multi-word synchronization for multiprocessors
The Non-blocking Programming Paradigm in Large Scale Scientific Computations
Distributed Long-Lived List Coloring: how to dynamically allocate frequencies to cellular networks
NOBLE : A Non-Blocking Inter-Process Communication Library
Distributed Long-Lived List Colouring: How to Dynamically Allocate Frequencies in Cellular Networks
Self-Stabilization in Wait-Free Shared Memory Objects
Growing Squares: Animated Visualization of Causal Relations
Evaluating The Performance of Non-Blocking Synchronization on Shared Memory Multiprocessors
Distributed Frequency Allocation Algorithms for Cellular Networks: Trade-offs and tuning strategies
Simple and Fast Wait-Free Snapshots for Real-Time Systems
Wait-free handshaking using rainbow colouring
LYDIAN: An Educational Animation Environment for Distributed Algorithms and Protocols
Non-blocking Data Sharing in Multiprocessor Real-Time System
Randomized Naming Using Wait-Free Shared Variables
Towards a Library of Distributed Algorithms and Animations
Wait-free Snapshots in Real-time Systems: Algorithms and their Performance
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Showing 11 research projects
INDEED: Information and Data-processing in Focus for Energy Efficiency
Scalability and quality control in AM - Big Data and ML in Production
WASP SAS: Structuring data for continuous processing and ML systems
VR Models and Techniques for Energy-Efficient Concurrent Data Access Designs
Big Data Processing in the context of Smart Buildings,
Future factories in the Cloud (FiC)
Execution Models for Energy-Efficient Computing Systems (EXCESS)
Performance Portability and Programmability for Heterogeneous Many-core Architectures (PEPPHER)