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spring3+hibernate4 service 中多线程事务异常及解决

初次使用spring3结合hibernate4做项目,迅速配置完成,测试,一切正常。

然而,当我在service层中另外开启一个线程,线程中的方法需要进行数据库操作,这个时候,悲催的抛出了异常:-org.hibernate.HibernateException: No Session found for current thread

Criado por Última atualização em 04/07/2019 - 21:23
Article

ANSYS* 助力扩展仿真性能

基于仿真的设计需要出色的速度

设计仿真软件改变了企业设计产品的方式,企业不仅能够更加快速地了解和测试更多设计选项,还能减少对物理样机的需求。 ANSYS 软件在这种转变中发挥了核心作用,目前,财富 500 强企业的前 100 家工业公司中,有 96 家采用了该软件。

Criado por Mike P. (Intel) Última atualização em 21/03/2019 - 12:00
Article

基于英特尔® 架构加速金融应用

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Criado por George Raskulinec (Intel) Última atualização em 06/07/2019 - 16:40
Article

案例研究: 使用分布式优化框架在 Monte Carlo 欧式期权方面实现高级性能

1. 简介

Monte Carlo 使用统计计算方法解决复杂的科学计算问题。 它创新地使用随机数字模拟一个问题输入结果的不确定性,并通过处理重复的参数抽样获得一个确定的结果和解决一些以其他方式无法解决的问题。 该方法最早起源于上世纪 40 年代末,由参与“曼哈顿”计划的核物理学家们率先提出。 并采用摩纳哥最大的赌城 Monte Carlo 来命名。

Criado por Última atualização em 06/07/2019 - 16:40
Article

案例研究: 针对计算密集型循环对比结构数组和数组结构的数据布局

by Paul Besl

Criado por Última atualização em 06/07/2019 - 16:40
Article

异构分布式系统上的有限差分

Our building block is the FD compute kernels that are typically used for RTM (reverse time migration) algorithms for seismic imaging. The computations performed by the ISO-3DFD (Isotropic 3-dimensional finite difference) stencils play a major role in accurate imaging of complex subsurface structures in oil and gas surveys and exploration. Here we leverage the ISO-3DFD discussed in [1] and [2] and...
Criado por Leonardo B. (Intel) Última atualização em 06/07/2019 - 16:40
Article

采用 Linux* Containers 的单根输入/输出虚拟化 (SR-IOV)

This paper is a result of a joint CERN openlab-Intel research activity with the aim to investigate whether Linux Containers can be used together with SR-IOV in conjunction and complementary to the existing virtualization infrastructure in the CERN Data Centre. This solution could be potentially applied to the storage nodes, which are principally used for Input/Output operations, while keeping the...
Criado por Marco Righini (Intel) Última atualização em 05/07/2019 - 11:02
Article

Vectorization Advisor 助您一臂之力

Vectorization Advisor is like having a trusted friend look over your code and give you advice based on what he sees. As you’ll see in this article, user feedback on the tool has included, “there are significant speedups produced by following advisor output, I'm already sold on this tool!”
Criado por Última atualização em 06/07/2019 - 16:40
Article

案例研究: 面向神经细胞模拟优化代码

Intel held the Intel® Modern Code Developer Challenge that had about 2,000 students from 130 universities in 19 countries registered to participate in the Challenge. They were provided access to Intel® Xeon Phi™ coprocessors to optimize code used in a CERN openlab brain simulation research project. In this article Daniel Vea Falguera (Modern Code Developer Challenge winner) shares how he...
Criado por Última atualização em 06/07/2019 - 16:40
Article

应用蚁群优化算法 (ACO) 实施交通网络扩展

In this article an OpenMP* based implementation of the Ant Colony Optimization algorithm was analyzed for bottlenecks with Intel® VTune™ Amplifier XE 2016 together with improvements using hybrid MPI-OpenMP and Intel® Threading Building Blocks were introduced to achieve efficient scaling across a four-socket Intel® Xeon® processor E7-8890 v4 processor-based system.
Criado por Sunny G. (Intel) Última atualização em 05/07/2019 - 19:13