Search Results for author: Josep Torrellas

Found 5 papers, 0 papers with code

Towards Greener LLMs: Bringing Energy-Efficiency to the Forefront of LLM Inference

no code implementations29 Mar 2024 Jovan Stojkovic, Esha Choukse, Chaojie Zhang, Inigo Goiri, Josep Torrellas

Given the high compute and memory requirements of modern LLMs, more and more top-of-the-line GPUs are being deployed to serve these models.

SENSEi: Input-Sensitive Compilation for Accelerating GNNs

no code implementations27 Jun 2023 Damitha Lenadora, Vimarsh Sathia, Gerasimos Gerogiannis, Serif Yesil, Josep Torrellas, Charith Mendis

We leverage this observation to propose SENSEi, a system that exposes different sparse and dense matrix primitive compositions based on different matrix re-associations of GNN computations and selects the best among them based on input attributes.

Graph Attention Graph Embedding

Defensive ML: Defending Architectural Side-channels with Adversarial Obfuscation

no code implementations3 Feb 2023 Hyoungwook Nam, Raghavendra Pradyumna Pothukuchi, Bo Li, Nam Sung Kim, Josep Torrellas

To address this problem, this paper explores using Adversarial Machine Learning (AML) methods as a defense at the computer architecture layer to obfuscate side channels.

Computer Security

SparseTrain:Leveraging Dynamic Sparsity in Training DNNs on General-Purpose SIMD Processors

no code implementations22 Nov 2019 Zhangxiaowen Gong, Houxiang Ji, Christopher Fletcher, Christopher Hughes, Josep Torrellas

Our community has greatly improved the efficiency of deep learning applications, including by exploiting sparsity in inputs.

Cache Telepathy: Leveraging Shared Resource Attacks to Learn DNN Architectures

no code implementations14 Aug 2018 Mengjia Yan, Christopher Fletcher, Josep Torrellas

A DNN's architecture (i. e., its hyper-parameters) broadly determines the DNN's accuracy and performance, and is often confidential.

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