|新鲜出炉！Intel® Xeon Phi™ Coprocessor High Performance Programming
|英特尔® System Studio
英特尔® System Studio 是一款综合性集成软件开发工具套件解决方案，能够缩短上市时间，增强系统可靠性，并提高能效和性能。 全新！
介绍面向英特尔® 至强™ 处理器和英特尔® 至强融核™ 协处理器的高性能应用程序开发。
|Structured Parallel Programming
作者 Michael McCool、Arch D. Robison 和 James Reinders 采用一种基于结构性形式的途径，从而使该课题能为每一位软件开发人员所接受。
hello, i have just begun my research focus with HTM, primarily focusing on RTM(restricted transaction memory). is there any APIs for RTM? I have looked on the internet but only the basic operands exist for RTM, such as xbegin, xend, xabort, xtest. I want to be able to access the shared memories with HTM but i can not find any library files for it. Can you please point me in the right direction, thanks for your support.
Hi, I recently tried to run my OpenCL program on a new windows 8.1 computer but the program returns an error when the device type is CL_DEVICE_TYPE_CPU. When I change the device type to a CL_DEVICE_TYPE_GPU or CL_DEVICE_TYPE_ ALL it ran the program on the GPU. Here is the system specification of the new computer: OS: Windows 8.1 Processor: Intel Core i7 - 4700MQ clocked at 2.40GHz Display Adapter: Intel HD Graphic 4600 and NVIDIA GeForce GT 740M How can I resolve this problem and is OpenCL having issues with windows 8.1? Please help! Yaknan
Hi everyone, I have a simple issue, which must have a solution. Is it possible to assign several MPI processes to several nodes, such that first MPI process occupies full node, whereas other MPI processes are distributed on cores of the other nodes? I have an example below: On a cluster with 4 cores per node, to assign 2 MPI process to 2 nodes I do the following: #PBS -l nodes=2:ppn=4 mpirun -pernode -np 2 ./hybprog The question is how to assign 8 MPI processes to 3 nodes, such that first MPI process occupies first node, whereas other 7 MPI processes are distributed on 7 cores of the other two nodes? Best Regards, Dmitry
I'm having problems with ifort version 14.0.1 I'm working on a hybrid (OpenMP+MPI) FORTRAN code. In that code the following pointer is declared and specified as threadprivate. However, when I include it in a OpenMP parallel region (default none), I get this compile error: ftn -O3 -r8 -openmp cal_xy.F90 cal_xy.F90(750): error #6752: Since the OpenMP* DEFAULT(NONE) clause applies, the PRIVATE, SHARED, REDUCTION, FIRSTPRIVATE, or LASTPRIVATE attribute must be explicitly specified for every variable. [TERM_X] select type(term_x) If I add the variable to one of the data sharing clauses of the parallel region I get this error instead: ftn -O3 -r8 -openmp calc_xy.F90 calc_xy.F90(739): error #7859: A SHARABLE or THREADPRIVATE entity is not permitted in a PRIVATE, FIRSTPRIVATE, LASTPRIVATE, SHARED or REDUCTION clause. [TERM_X] call term_x%add(mat_a,col_r,& It looks to be like the first error I get (the #6752 error) only occurs from the "select type...
Dear all, Although the answer of the question in the title is, in principle, quite clear, I am confused about the scope (shared or private) of variables declared in COMMON blocks inside functions that are not the main function. For example, I am trying to parallelize a MC Code of particle transport on matter using OpenMP, the main part of this program is like the following code: PROGRAM TUTOR2 IMPLICIT NONE [Variable initialization, some COMMON blocks, program initialization routines, etc...] C$OMP PARALLEL NUM_THREADS (4) C$OMP SINGLE WRITE(*,*) "Number of OpenMP threads: ", OMP_GET_NUM_THREADS() DO I=1,NCASE C$OMP TASK FIRSTPRIVATE(ESCORE) CALL SHOWER(IQIN,EIN,XIN,YIN,ZIN,UIN,VIN,WIN,IRIN,WTIN) C$OMP END TASK END DO C$OMP END SINGLE NOWAIT C$OMP END PARALLEL So I have a function call SHOWER() that realizes the simulation of the particle cascade. This function call another functions (RANDOM, PHOTON, ELECTR, etc) that realize the transport calcu...
Hi, I'm having a problem when trying to compile with icc on c code, I'm getting: Internal error loop: assertion failed: find_seq_in_lookup_table: seq_number not found (shared/cfe/edgcpfe/il.c, line 3866) I had searched for this bug and seeming it had fixed at update5 (https://software.intel.com/en-us/articles/intel-composer-xe-2013-compile...) The problem is that I'm writing in C++ not in C !!! Useful Info: I'm using update.1 old licensed version, and got the above error. When I tried to download and install trial update 3 version, I had faced a problem regarding the license: Error: A license for CCompL is not available (-5,412). Make sure that a license file is being used that contains a license for the requested feature. If your license requires a license server, make sure that the server is using the right license file (usually, this would be the same license file that is being used by this application), and make sure that you have not changed the license file since star...