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Bidirectional compression algorithms work by substituting repeated substrings by references that, unlike in the famous LZ77-scheme, can point to either direction. We present such an algorithm that is particularly suited for an external…

数据结构与算法 · 计算机科学 2019-12-04 Patrick Dinklage , Jonas Ellert , Johannes Fischer , Dominik Köppl , Manuel Penschuck

This paper presents a novel encoding method for fine time data of a tapped delay line (TDL) time-to-digital Converter (TDC). It is based on divide-and-conquer strategy, and has the advantage of significantly reducing logic resource…

空间物理 · 物理学 2022-09-07 Wenhao Dong , Changqing Feng , Junchen Wang , Zhongtao Shen , Shubin Liu , Qi An

Diffusion Probabilistic Models (DPMs) have achieved great success in image generation but suffer from high inference latency due to their iterative denoising nature. Motivated by the evolving feature dynamics across the denoising…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Haodong He , Yuan Gao , Weizhong Zhang , Gui-Song Xia

We provide the first complete continuous time framework for denoising diffusion models of discrete data. This is achieved by formulating the forward noising process and corresponding reverse time generative process as Continuous Time Markov…

This paper investigates asynchronous multiple-input multiple-output (MIMO) massive unsourced random access (URA) in an orthogonal frequency division multiplexing (OFDM) system over frequency-selective fading channels, with the presence of…

信息论 · 计算机科学 2024-10-24 Tianya Li , Yongpeng Wu , Junyuan Gao , Wenjun Zhang , Xiang-Gen Xia , Derrick Wing Kwan Ng , Chengshan Xiao

This study introduces bifurcated attention, a method designed to enhance language model inference in shared-context batch decoding scenarios. Our approach addresses the challenge of redundant memory IO costs, a critical factor contributing…

Machine comprehension (MC), answering a query about a given context paragraph, requires modeling complex interactions between the context and the query. Recently, attention mechanisms have been successfully extended to MC. Typically these…

计算与语言 · 计算机科学 2018-06-22 Minjoon Seo , Aniruddha Kembhavi , Ali Farhadi , Hannaneh Hajishirzi

We consider a full-duplex (FD) decode-and-forward system in which the time-switching protocol is employed by the multi-antenna relay to receive energy from the source and transmit information to the destination. The instantaneous throughput…

In this work, we present two parallel algorithms for the large-scale discrete Fourier transform (DFT) on Tensor Processing Unit (TPU) clusters. The two parallel algorithms are associated with two formulations of DFT: one is based on the…

数学软件 · 计算机科学 2020-12-15 Tianjian Lu , Yi-Fan Chen , Blake Hechtman , Tao Wang , John Anderson

We consider the decoding of bit interleaved coded modulation (BICM) applied to both multiband and MIMO OFDM systems for typical scenarios where only a noisy (possibly very bad) estimate of the channel is provided by sending a limited number…

网络与互联网体系结构 · 计算机科学 2007-08-13 Sajad Sadough , Pierre Duhamel

Deep neural networks (DNNs) are powerful for cognitive tasks such as image classification, object detection, and scene segmentation. One drawback however is the significant high computational complexity and memory consumption, which makes…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Yongqi Xu , Yujian Lee , Gao Yi , Bosheng Liu , Yucong Chen , Peng Liu , Jigang Wu , Xiaoming Chen , Yinhe Han

Diffusion models are the go-to method for Text-to-Image generation, but their iterative denoising processes has high inference latency. Quantization reduces compute time by using lower bitwidths, but applies a fixed precision across all…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Basile Lewandowski , Simon Kurz , Aditya Shankar , Robert Birke , Jian-Jia Chen , Lydia Y. Chen

There are a number of situations in which several signals are simultaneously recorded in complex systems, which exhibit long-term power-law cross-correlations. The multifractal detrended cross-correlation analysis (MF-DCCA) approaches can…

统计金融 · 定量金融 2015-03-19 Zhi-Qiang Jiang , Wei-Xing Zhou

High-quality system-level message flow specifications can lead to comprehensive validation of system-on-chip (SoC) designs. We propose a disruptive method that utilizes an attention mechanism to produce accurate flow specifications from SoC…

机器学习 · 计算机科学 2022-03-25 Md Rubel Ahmed , Hao Zheng

Diffusion Large Language Models (dLLMs) have demonstrated significant potential for high-speed inference. However, current confidence-driven decoding strategies are constrained by limited parallelism, typically achieving only 1--3 tokens…

计算与语言 · 计算机科学 2025-12-23 Chenkai Xu , Yijie Jin , Jiajun Li , Yi Tu , Guoping Long , Dandan Tu , Mingcong Song , Hongjie Si , Tianqi Hou , Junchi Yan , Zhijie Deng

This paper studies the coherent and non-coherent multiuser multiple-input multiple-output (MU-MIMO) uplink system in the finite blocklength regime. The i.i.d. Gaussian codebook is assumed for each user. To be more specific, the BS first…

信息论 · 计算机科学 2022-10-04 Junjuan Feng , Hien Quoc Ngo , Michail Matthaiou

Effective capacity, which provides the maximum constant arrival rate that a given service process can support while satisfying statistical delay constraints, is analyzed in a multiuser scenario. In particular, we study the achievable…

信息论 · 计算机科学 2009-10-22 Deli Qiao , Mustafa Cenk Gursoy , Senem Velipasalar

Although deep learning and end-to-end models have been widely used and shown superiority in automatic speech recognition (ASR) and text-to-speech (TTS) synthesis, state-of-the-art forced alignment (FA) models are still based on hidden…

声音 · 计算机科学 2022-04-01 Jingbei Li , Yi Meng , Zhiyong Wu , Helen Meng , Qiao Tian , Yuping Wang , Yuxuan Wang

Achieving high spectral efficiency in realistic massive multi-user (MU) multiple-input multiple-output (MIMO) wireless systems requires computationally-complex algorithms for data detection in the uplink (users transmit to base-station) and…

信息论 · 计算机科学 2017-11-17 Kaipeng Li , Rishi Sharan , Yujun Chen , Tom Goldstein , Joseph R. Cavallaro , Christoph Studer

We present DMax, a new paradigm for efficient diffusion language models (dLLMs). It mitigates error accumulation in parallel decoding, enabling aggressive decoding parallelism while preserving generation quality. Unlike conventional masked…

机器学习 · 计算机科学 2026-05-18 Zigeng Chen , Gongfan Fang , Xinyin Ma , Ruonan Yu , Xinchao Wang