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Posts

Aug, 13

Isolated Scheduling for Distributed Training Tasks in GPU Clusters

Distributed machine learning (DML) technology makes it possible to train large neural networks in a reasonable amount of time. Meanwhile, as the computing power grows much faster than network capacity, network communication has gradually become the bottleneck of DML. Current multi-tenant GPU clusters face network contention caused by hash-collision problem which not only further increases […]
Jul, 30

Monadic Deep Learning

The Java and Scala community has built a very successful big data ecosystem. However, most of neural networks running on it are modeled in dynamically typed programming languages. These dynamically typed deep learning frameworks treat neural networks as differentiable expressions that contain many trainable variable, and perform automatic differentiation on those expressions when training them. […]
Jul, 30

Bandicoot: C++ Library for GPU Linear Algebra and Scientific Computing

This report provides an introduction to the Bandicoot C++ library for GPU linear algebra and scientific computing, detailing its user interface and performance characteristics as well as the technical details of its internal design. Bandicoot is the GPU-enabled counterpart to the well-known Armadillo C++ linear algebra library, aimed at allowing users to enable GPU computation […]
Jul, 30

Efficiency without Tears: Securing Multilingual Programs with TRINITY

Despite the fact that most real-world programs are developed in multiple languages in the era of data science, existing security techniques are still limited to single-language programs. Worse yet, languages designed for high-performance computing often ignore the necessary security checking in foreign function interfaces (FFI) to pursue supreme execution efficiency. In consequence, security flaws and […]
Jul, 30

Fast Knowledge Graph Completion using Graphics Processing Units

Knowledge graphs can be used in many areas related to data semantics such as question-answering systems, knowledge based systems. However, the currently constructed knowledge graphs need to be complemented for better knowledge in terms of relations. It is called knowledge graph completion. To add new relations to the existing knowledge graph by using knowledge graph […]
Jul, 30

A portable C++ library for memory and compute abstraction on multi-core CPUs and GPUs

We present a C++ library for transparent memory and compute abstraction across CPU and GPU architectures. Our library combines generic data structures like vectors, multi-dimensional arrays, maps, graphs, and sparse grids with basic generic algorithms like arbitrary-dimensional convolutions, copying, merging, sorting, prefix sum, reductions, neighbor search, and filtering. The memory layout of the data structures […]
Jul, 24

ProtoX: A First Look

We present a first look at ProtoX, a code generation framework for stencil and pointwise operations that occur frequently in the numerical solution of partial differential equations. ProtoX has Proto as its library frontend and SPIRAL as the backend. Proto is a C++ based domain specific library which optimizes the algorithms used to compute the […]
Jul, 24

qecGPT: decoding Quantum Error-correcting Codes with Generative Pre-trained Transformers

We propose a general framework for decoding quantum error-correcting codes with generative modeling. The model utilizes autoregressive neural networks, specifically Transformers, to learn the joint probability of logical operators and syndromes. This training is in an unsupervised way, without the need for labeled training data, and is thus referred to as pre-training. After the pre-training, […]
Jul, 24

Maximizing Parallelism and GPU Utilization For Direct GPU Compilation Through Ensemble Execution

GPUs are renowned for their exceptional computational acceleration capabilities achieved through massive parallelism. However, utilizing GPUs for computation requires manual identification of code regions suitable for offloading, data transfer management, and synchronization. Recent advancements have capitalized on the LLVM/OpenMP portable target offloading interface, elevating GPU acceleration to new heights. This approach, known as the direct […]
Jul, 24

Creating a Dataset Supporting Translation Between OpenMP Fortran and C++ Code

In this study, we present a novel dataset for training machine learning models translating between OpenMP Fortran and C++ code. To ensure reliability and applicability, the dataset is initially refined using a meticulous code similarity test. The effectiveness of our dataset is assessed using both quantitative (CodeBLEU) and qualitative (human evaluation) methods. We demonstrate how […]
Jul, 24

eGPU: A 750 MHz Class Soft GPGPU for FPGA

This paper introduces the eGPU, a SIMT soft processor designed for FPGAs. Soft processors typically achieve modest operating frequencies, a fraction of the headline performance claimed by modern FPGA families, and obtain correspondingly modest performance results. We propose a GPGPU architecture structured specifically to take advantage of both the soft logic and embedded features of […]
Jul, 16

Towards Intelligent Runtime Framework for Distributed Heterogeneous Systems

Scientific applications strive for increased memory and computing performance, requiring massive amounts of data and time to produce results. Applications utilize large-scale, parallel computing platforms with advanced architectures to accommodate their needs. However, developing performance-portable applications for modern, heterogeneous platforms requires lots of effort and expertise in both the application and systems domains. This is […]

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