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HFSS15: Viewing a Solution Profile
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At any time during or after the solution process, you can examine the computing resources - or profile data - that were used by HFSS during the analysis. The profile data is essentially a log of the tasks performed by HFSS during the solution. The log indicates the length of time each task took and how much physical memory/disk memory was required.
In the project tree, right-click the solution setup of interest, and then click Profile on the shortcut menu.
The Solution Data dialog box appears. The Profile tab is selected. The displayed data depends on the type of problem and solution setup. If one or more dependent setups exist, the profile information for these can be selected from drop down menu in the Simulation text field at the top of the dialog. In general, it includes the following information:
Task | Lists the type of task that was performed. |
Real Time | The difference in time between the start of the task and the end of the task (elapsed time). |
The amount of CPU time required to perform the task. | |
The peak amount of physical memory (RAM) used by the individual executable running the task. The memory is freed for other uses after each task is complete. | |
General information about the solution, for example, the number of tetrahedra used in the mesh. |
The matrix solver writes specific information in some of these fields as outlined below:
Task | The matrix solver task reports the type of solution performed by the solver, based on the physics of the problem. It is always of the form "Solver pdsn" (e.g. Solver MRS2), where • p, the precision type is: M (mixed) or D (double) • d, the matrix data type is: R (real) or C (complex) • s, the symmetry type is: S (symmetric), A (asymmetric), or H (hermitian) • n, the number of processors used. You specify the number of available processors on the local machine in the HFSS or HFSS-IE options. If a solve does not use all available processors (local or distributed), the number reported may be less than the number available. |
Information: | The matrix solver information line includes three sets of information (for example, 960885 matrix, 3030MB disk offcore) • # matrix: The size of the matrix that was solved (the number of unknowns) • # disk: The amount of hard disk space used during the calculation of the matrix solution • "offcore": After the disk information, the word "offcore" may appear. This means that the solver could not place all of the data it needs to calculate the matrix solution in physical memory. If this word does not appear, then the solver was able to fit the necessary data into physical memory (known as "in-core"). If the matrix solver must solve off-core, smaller blocks of the data to be solved are created on disk, each block is then solved in physical memory, and then the matrix solution is reassembled. As a result of this additional processing, the time required to calculate a solution is higher. |
To Export the Profile data:
1. Open the Solution Data dialog with the Profile tab selected.
2. Click the Export Profile button.
This opens a file save dialog that lets you provide a file name and location.
3. Click Save.
The data is saved in a text file with a .prof extension.
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