Recherche

Afficher tous les résultats pour

Accueil

Personne

Babak Falsafi

À propos
Confidentialité
Mentions légales

Graph Chatbot

Publications associées (89)

Confluence: unified instruction supply for scale-out servers

Babak Falsafi, Ilknur Cansu Kaynak, Boris Robert Grot

Multi-megabyte instruction working sets of server workloads defy the capacities of latency-critical instruction-supply components of a core; the instruction cache (L1-I) and the branch target buffer (BTB). Recent work has proposed dedicated prefetching tec ...

ACM Press2015

Manycore Network Interfaces for In-Memory Rack-Scale Computing

Babak Falsafi, Stanko Novakovic, Boris Robert Grot, Alexandros Daglis, Edouard Bugnion

Datacenter operators rely on low-cost, high-density technologies to maximize throughput for data-intensive services with tight tail latencies. In-memory rack-scale computing is emerging as a promising paradigm in scale-out datacenters capitalizing on commo ...

2015

Network-on-chip using request and reply trees for low-latency processor-memory communication

Babak Falsafi, Boris Robert Grot

A Network-On-Chip (NOC) organization comprises a die having a cache area and a core area, a plurality of core tiles arranged in the core area in a plurality of subsets, at least one cache memory bank arranged in the cache area, whereby the at least one cac ...

2014

FADE: A Programmable Filtering Accelerator for Instruction-Grain Monitoring

Babak Falsafi, Sotiria Fytraki, Yusuf Onur Koçberber, Evangelos Vlachos, Boris Robert Grot

Instruction-grain monitoring is a powerful approach that enables a wide spectrum of bug-finding tools. As existing software approaches incur prohibitive runtime overhead, researchers have focused on hardware support for instruction-grain monitoring. A recu ...

2014

A Case for Specialized Processors for Scale-Out Workloads

Mohammad Alisafaee, Anastasia Ailamaki, Babak Falsafi, Michael Ferdman, Stavros Volos, Adrian Daniel Popescu, Al Mutaz Adileh, Dorde Jevdic, Ilknur Cansu Kaynak, Yusuf Onur Koçberber

Emerging scale-out workloads need extensive amounts of computational resources. However, datacenters using modern server hardware face physical constraints in space and power, limiting further expansion and requiring improvements in the computational densi ...

Ieee Computer Soc2014

Scale-Out NUMA

Babak Falsafi, Stanko Novakovic, Boris Robert Grot, Alexandros Daglis, Edouard Bugnion

Emerging datacenter applications operate on vast datasets that are kept in DRAM to minimize latency. The large number of servers needed to accommodate this massive memory footprint requires frequent server-to-server communication in applications such as ke ...

2014

Big Data

Babak Falsafi, Boris Robert Grot

This introduction to the special issue discusses the opportunities and challenges in system design presented by big data and gives an overview of the articles in this issue. ...

Ieee Computer Soc2014

Unison Cache: A Scalable and Effective Die-Stacked DRAM Cache

Babak Falsafi, Dorde Jevdic, Ilknur Cansu Kaynak

Recent research advocates large die-stacked DRAM caches in manycore servers to break the memory latency and bandwidth wall. To realize their full potential, die-stacked DRAM caches necessitate low lookup latencies, high hit rates and the efficient use of o ...

IEEE2014

BuMP: Bulk Memory Access Prediction and Streaming

Babak Falsafi, Stavros Volos, Javier Picorel Obando, Boris Robert Grot

With the end of Dennard scaling, server power has emerged as the limiting factor in the quest for more capable datacenters. Without the benefit of supply voltage scaling, it is essential to lower the energy per operation to improve server efficiency. As th ...

2014

DeSyRe: On-demand system reliability

Sebastian Isaza, Babak Falsafi, Dionysios Pnevmatikatos

The DeSyRe project builds on-demand adaptive and reliable Systems-on-Chips (SoCs). As fabrication technology scales down, chips are becoming less reliable, thereby incurring increased power and performance costs for fault tolerance. To make matters worse, ...

Elsevier2013

Meet the Walkers: Accelerating Index Traversals for In-Memory Databases

Babak Falsafi, Yusuf Onur Koçberber, Javier Picorel Obando, Boris Robert Grot, Kevin Lim

The explosive growth in digital data and its growing role in real-time decision support motivate the design of high-performance database management systems (DBMSs). Meanwhile, slowdown in supply voltage scaling has stymied improvements in core performance ...

2013

SHIFT: Shared History Instruction Fetch for Lean-Core Server Processors

Babak Falsafi, Ilknur Cansu Kaynak, Boris Robert Grot

2013

Die-Stacked DRAM Caches for Servers: Hit Ratio, Latency, or Bandwidth? Have It All with Footprint Cache

Babak Falsafi, Stavros Volos, Dorde Jevdic

Recent research advocates using large die-stacked DRAM caches to break the memory bandwidth wall. Existing DRAM cache designs fall into one of two categories — block-based and page-based. The former organize data in conventional blocks (e.g., 64B), ensurin ...

ACM2013

Multi-Grain Coherence Directory

Babak Falsafi

Conventional directory coherence operates at the finest granularity possible, that of a cache block. While simple, this organization fails to exploit frequent application behavior: at any given point in time, large, continuous chunks of memory are often ac ...

2013

CCNoC: Specializing On-Chip Interconnects for Energy Efficiency in Cache-Coherent Servers

Giovanni De Micheli, Ciprian Seiculescu, Babak Falsafi, Naser Khosro Pour, Stavros Volos, Boris Robert Grot

Manycore chips are emerging as the architecture of choice to provide power efficiency and improve performance, while riding Moore’s Law. In these architectures, on-chip interconnects play a pivotal role in ensuring power and performance scalability. As sup ...

2012

Optimizing Data-Center TCO with Scale-Out Processors

Babak Falsafi, Pejman Lotfi Kamran, Boris Robert Grot

Performance and total cost of ownership (TCO) are key optimization metrics in large-scale data centers. According to these metrics, data centers designed with conventional server processors are inefficient. Recently introduced processors based on low-power ...

Institute of Electrical and Electronics Engineers2012

Dark Silicon Accelerators for Database Indexing

Babak Falsafi, Yusuf Onur Koçberber, Kevin Lim

The growing explosion of digital data motivates renewed emphasis on new architectures for future data-centric workloads. At the same time, the inability of power to scale with increasing transistor counts has led to a recent focus on “dark silicon” designs ...

2012

NOC-Out: Microarchitecting a Scale-Out Processor

Babak Falsafi, Pejman Lotfi Kamran, Boris Robert Grot

Scale-out server workloads benefit from many-core processor organizations that enable high throughput thanks to abundant request-level parallelism. A key characteristic of these workloads is the large instruction footprint that exceeds the capacity of priv ...

2012

Clearing the Clouds: A Study of Emerging Scale-out Workloads on Modern Hardware

Mohammad Alisafaee, Anastasia Ailamaki, Babak Falsafi, Michael Ferdman, Stavros Volos, Adrian Daniel Popescu, Al Mutaz Adileh, Dorde Jevdic, Ilknur Cansu Kaynak, Yusuf Onur Koçberber

Emerging scale-out workloads require extensive amounts of computational resources. However, data centers using modern server hardware face physical constraints in space and power, limiting further expansion and calling for improvements in the computational ...

2012

Scale-Out Processors

Babak Falsafi, Michael Ferdman, Pejman Lotfi Kamran, Stavros Volos, Al Mutaz Adileh, Dorde Jevdic, Yusuf Onur Koçberber, Javier Picorel Obando, Boris Robert Grot

Scale-out datacenters mandate high per-server throughput to get the maximum benefit from the large TCO investment. Emerging applications (e.g., data serving and web search) that run in these datacenters operate on vast datasets that are not accommodated by ...

Ieee2012

Page 3 sur 5