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   标量计算 的翻译结果: 查询用时:0.017秒
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标量计算
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  scalar operation
     This paper studies the relations among access speeds, function units speeds, instruction fetch speed and the number of scalar front-end registers on Cray-1 computer according to its scalar operation mode and feature. Formulas about the relations are given, with which the matching problem among units can be solved.
     本文根据Cray-1计算机标量计算的工作方式和特点分析了它的存取速度、功能部件速度、指令流出速度和标量前沿寄存器个数之间的关系,并在这四者之间建立了相互联系的公式,据此公式可以解决它们之间相互匹配的问题。
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  “标量计算”译为未确定词的双语例句
     Usual scalar calculation method can not be well used to make parallel operation on a vector computer.
     传统的标量计算方法不适应在向量计算机上并行运算。
短句来源
     Computing result shows the parallel algorithm is ten times faster than the serial algorithm when n is greater than 100.
     计算结果表明:当n>100时,向量计算比标量计算快10倍以上。
短句来源
     A parallel computing formula for the conditional number of symmetricmatrix A is presented. the facts for The change of the conditional number ofsymmetric matrix A affecting the solution of Ax=b are observed. The resultsof the computation show that the velocity for vector computution is 17 timesfaster than that of scalar computation with n≥300.
     本文针对对称矩阵A建立起性态数的并行计算公式,并通过数值试验得到了矩阵性态数变化对方程组Ax=b的解的误差影响,同时进行了向量和标量计算,计算结果表明:当x大于等于300时,向量计算速度比标量计算速度快17倍。
短句来源
     The true thickness of strata is conventionally calculated by using the scalar quantity in the field survey.
     在野外地质测量工作中,岩层真厚度历来使用标量计算
短句来源
  相似匹配句对
     We also give a new correction factor to simplify the calculation of the Unstatistic.
     的计算
短句来源
     Calculations on the Scalar Intergrals A,B and C
     标量积分函数A、B、C的计算
短句来源
     CALCULATION OF THE 3-DIMENSIONAL MAGNETIC FIELD BY USE OF THE MODIFIED SCALAR POTENTIAL
     用修正标量计算三维磁场
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     Computational atmospheric acoustics
     计算大气声学
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  scalar operation
In addition, each scalar operation is binned k times to match the work output of a single k-wide vector operation.
      
To get what we expect, we need to force it into scalar operation, with the scalar keyword.
      
This lookup is a scalar operation, and hence does not perform well on the SPU, since the SPU has only vector registers.
      
The incremental method replaces vector operation with scalar operation which results in computational speed up for high dimensional vector space.
      
The pixel pipeline performs a vector and scalar operation in parallel in separate units.
      


Usual scalar calculation method can not be well used to make parallel operation on a vector computer.YH computer,a vector supercomputer,frequently uses parallel repeated operation and vector dual processing array technique.The vector algorithm may be used for the integral migration of 3D wave equation,it includes five essentials:(1)time-varying convolution of every horizontal stacked trace is made before summation;(2)dual symmetric vertical stack- ing technique is used;(3)recurrence algorithm is used so as to...

Usual scalar calculation method can not be well used to make parallel operation on a vector computer.YH computer,a vector supercomputer,frequently uses parallel repeated operation and vector dual processing array technique.The vector algorithm may be used for the integral migration of 3D wave equation,it includes five essentials:(1)time-varying convolution of every horizontal stacked trace is made before summation;(2)dual symmetric vertical stack- ing technique is used;(3)recurrence algorithm is used so as to avoid evolution and improve accuracy;(4) horizontal stacked trace is transformed to a migrated trace by vector bit string register as well as the compression and reeovery instruction functions of YH computer;(5)a migrated trace is made by first multiplying a lengthened vector with a coefficient vector,then summing vectors. The vector algorithm was used to make 3D integral migraion pro- cessing of the 3D seismic data from Gaochang area in Jianghan prospect.The processing speed and quality are much improved.

传统的标量计算方法不适应在向量计算机上并行运算。YH 型计算机是一台大型向量计算机,它充分运用并行重叠技术,采用向量双处理阵列结构,三维波动方程积分偏移可采用向量算法,它包括下列内容:(1)在求和叠加之前,对所有水平叠加道进行时变褶积运算;(2)使用双对称垂直叠加技术;(3)为了避免开方运算,保证计算精度,采用递推算法;(4)利用 YH 型计算机向量位串寄存器和压缩还原指令功能,完成水平叠加道到偏移道的转换;(5)将拉伸结果向量乘以系数向量,再通过向量求和,构成偏移道。应用这种向量算法对江汉盆地高场地区三维资料进行三维积分偏移处理,共处理速度和质量都有明显的改进。

In this paper a parallel algorithm of the block diagonal pivoting method is given. The method of decomposing symmetric matrice is shcwn to be stable and the method is implemented on parallel computer. Computing result shows the parallel algorithm is ten times faster than the serial algorithm when n is greater than 100.

本文给出块对角主元法的并行计算,证明了用这种方法分解矩阵是稳定的。同时编制了向量FORTRAN程序,在向量机上进行了数值试验。计算结果表明:当n>100时,向量计算比标量计算快10倍以上。

A parallel computing formula for the conditional number of symmetricmatrix A is presented. the facts for The change of the conditional number ofsymmetric matrix A affecting the solution of Ax=b are observed. The resultsof the computation show that the velocity for vector computution is 17 timesfaster than that of scalar computation with n≥300.

本文针对对称矩阵A建立起性态数的并行计算公式,并通过数值试验得到了矩阵性态数变化对方程组Ax=b的解的误差影响,同时进行了向量和标量计算,计算结果表明:当x大于等于300时,向量计算速度比标量计算速度快17倍。

 
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