activity
20202026
most citedFlare: Flexible In-Network Allreduce

48 citations · 60 across the 6 of their papers we have counts for

collaborators

7 papers

cs.LG2026

High-Performance Tensor Formulation of the Viterbi Algorithm for Hidden Semi-Markov Models

Lorenzo Piarulli, Elia Belli, Daniele De Sensi

Hidden Semi-Markov Models (HSMMs) are fundamental probabilistic models widely adopted across diverse domains, from computational biology to finance and signal processing. The Viter…

cs.DC2026

Characterizing the Scalability and Performance of Large-Scale AI Training Under Multi-Tenancy

Jacopo Raffi, Thomas Pasquali, Lorenzo Piarulli +6

Characterising AI workload performance on modern HPC systems requires understanding both their scalability in isolation and their behaviour under concurrent execution. However, the…

cs.DC2022★ 1 cited

Noise in the Clouds: Influence of Network Performance Variability on Application Scalability

Daniele De Sensi, Tiziano De Matteis, Konstantin Taranov +3

Cloud computing represents an appealing opportunity for cost-effective deployment of HPC workloads on the best-fitting hardware. However, although cloud and on-premise HPC systems…

cs.DC2022

HammingMesh: A Network Topology for Large-Scale Deep Learning

Torsten Hoefler, Tommaso Bonato, Daniele De Sensi +7

Numerous microarchitectural optimizations unlocked tremendous processing power for deep neural networks that in turn fueled the AI revolution. With the exhaustion of such optimizat…

cs.NI2022

Building Blocks for Network-Accelerated Distributed File Systems

Salvatore Di Girolamo, Daniele De Sensi, Konstantin Taranov +5

High-performance clusters and datacenters pose increasingly demanding requirements on storage systems. If these systems do not operate at scale, applications are doomed to become I…

cs.DC2021★ 48 cited

Flare: Flexible In-Network Allreduce

Daniele De Sensi, Salvatore Di Girolamo, Saleh Ashkboos +2

The allreduce operation is one of the most commonly used communication routines in distributed applications. To improve its bandwidth and to reduce network traffic, this operation…

cs.DC2020★ 11 cited

An In-Depth Analysis of the Slingshot Interconnect

Daniele De Sensi, Salvatore Di Girolamo, Kim H. McMahon +2

The interconnect is one of the most critical components in large scale computing systems, and its impact on the performance of applications is going to increase with the system siz…