搜索结果: 1-15 共查到“SIMD”相关记录27条 . 查询时间(0.088 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A New Framework for SIMD Bootstrapping in Polynomial Modulus
多项式 模数 SIMD自举 新框架
2023/4/28
In this series of work, we aim at improving the bootstrapping paradigm for fully homomorphic encryption (FHE). Our main goal is to show that the amortized cost of bootstrapping within a polynomial mod...
Poly1305 is a polynomial hash function designed by Bernstein in 2005. Presently, it is part of several major platforms including the Transport Layer Security protocol. Vectorised implementation of Pol...
Diffusion Matrices from Algebraic-Geometry Codes with Efficient SIMD Implementation
Diffusion matrix algebraic-geometry codes algebraic curves
2016/1/8
This paper investigates large linear mappings with very good diffusion and efficient software
implementations, that can be used as part of a block cipher design. The mappings are derived from linear
...
Use of SIMD-Based Data Parallelism to Speed up Sieving in Integer-Factoring Algorithms
Integer Factorization Sieving Multiple-Polynomial Quadratic Sieve Method
2016/1/4
Many cryptographic protocols derive their security from the apparent
computational intractability of the integer factorization problem. Currently,
the best known integer-factoring algorithms run in ...
随着SIMD(Single Instruction Multiple Data stream)结构DSP(Digital Signal Processor)片上集成了越来越多的处理单元,并行访存的灵活性及带宽效率对实际运算性能的影响越来越大.本文详细分析了一般SIMD结构DSP中基2 FFT(Fast Fourier Transform)并行算法面临的访存问题,采用简单的部分地址异或逻辑完成SIM...
Efficient Modular Arithmetic for SIMD Devices
Fast Modular Arithmetic Improvements of Montgomery Reduction
2014/3/7
This paper describes several new improvements of modular arithmetic and how to exploit them in order to gain more efficient implementations of commonly used algorithms, especially in cryptographic app...
基于SIMD处理器的全定制多粒度矩阵寄存器文件
SIMD 矩阵运算 多粒度 矩阵寄存器文件
2016/6/8
在SIMD处理器上映射矩阵运算时会带来大量的数据重排操作从而降低系统性能。本文提出定制化的多粒度矩阵寄存器文件（MMRF）以消除数据重排操作。MMRF支持多粒度的并行行访问和列访问，从而提升矩阵运算的性能。MMRF可以被动态配置为不同的并行访问模式，在不同模式下一个或多个子矩阵可以被并行处理。实验结果显示，同传统的向量寄存器文件（VRF）和矩阵寄存器文件(MRF)相比，MMRF可分别带来2.21倍...
At PKC 2010 Smart and Vercauteren presented a variant of Gentry's fully homomorphic public key encryption scheme and mentioned that the scheme could support SIMD style operations. The slow key generat...
Security Analysis of SIMD
secret-key cryptography SIMD SHA-3 hash function distinguisher security proof with distinguishers
2010/7/13
In this paper we study the security of the SHA-3 candidate SIMD. We first show a new free-start distinguisher based on symmetry relations. It allows to distinguish the compression function of SIMD fro...
Cryptanalysis of the Compression Function of SIMD
SIMD SHA-3 Candidate near collision distinguishing attack
2010/7/13
SIMD is one of the second round candidates of the SHA-3 competition hosted by NIST. In this paper, we present some results on the compression function of SIMD 1.1 (the tweaked version) using the modul...
使用SIMD协处理器的高性能声码器
单指令多数据 指令集 协处理器 并行
2010/1/12
近年来，传统的SOC设计方法已无法跟上数据密集型应用的需求。采用了一种面向应用的设计思路，通过添加定制的协处理器和扩展指令集的方式来加速语音编解码算法。选用可配置的LEON-2 RISC软核，并嵌入特别定制的向量乘累加单元来减少运算密集型模块的计算时间，采用不添加新的IP模块的方法改善性能。实验结果表明，对于大量使用乘累加运算的编解码算法，其加速效果最为明显，运算时间平均减少了45%。目前，整个系...
High-Speed Hardware Implementations of BLAKE, Blue Midnight Wish, CubeHash,ECHO, Fugue, Gr stl, Hamsi, JH, Keccak,Lu a, Shabal, SHAvite-3, SIMD, and Skein Version 2.0, November 11, 2009
SHA-3 round 2 hardware
2009/11/18
In this paper we describe our high-speed hardware implementations
of the 14 candidates of the second evaluation round of the
SHA-3 hash function competition. We synthesized all implementations
usin...
共享主存多SIMD结构及编译技术研究
多媒体 共享主存 多SIMD
2009/11/4
目前多媒体应用已经成为各种运算平台的主要应用类型。随着多媒体应用的多样性和复杂性，共享主存多SIMD结构逐渐成为主从多核结构中多媒体加速部件的首要选择。总结了目前共享主存多SIMD结构的特征，同时深入分析了共享主存多SIMD编译优化的主要问题以及相关编译技术。
基于SIMD的似然率快速算法
SIMD技术 似然率计算 隐马尔可夫模型
2009/8/20
分析基于连续概率密度的隐马尔可夫模型大词汇量连续语音识别系统中的似然率计算方法，阐述运用并行方式实现似然率计算的可行性，并在此基础上，提出一种基于SIMD的似然率快速算法，通过对语音识别工具包HTK 3.4中似然率计算模块的改进实现该算法。实验结果表明，在不降低识别准确率的前提下，该算法能有效加快似然率计算的速度。