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[14.错误警告信息] 模型打开非常缓慢!!

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发表于 2011-2-28 10:49:44 | 显示全部楼层 |阅读模式 来自 大连理工大学
comsol 4.0a打开一个 400M 的文件(存储了求解结果)要花上10来分钟的时间,极其缓慢,大家遇到过类似情况吗?这是bug,还是软件就是这么构架的?
其他的大型软件求解结果20G左右的也可以很快就打开的啊
 楼主| 发表于 2011-2-28 13:40:05 | 显示全部楼层 来自 大连理工大学
Simdroid开发平台
Computations in COMSOL Multiphysics can potentially be memory intensive. However, buying more memory than you can address from a single process is not worthwhile for COMSOL Multiphysics in 32-bit mode. Thus, more than 2 GB (or 3 GB with the switch) on Windows and 4 GB on Linux/UNIX cannot be utilized by the 32-bit versions of COMSOL Multiphysics. When buying a computer, check that the motherboard supports the amount of memory that you require and that additional memory modules are not excessively priced.

On 32-bit Windows platforms, memory fragmentation can be a problem. This means that you may get an out-of-memory error even though you apparently have available memory left. The reason is that no contiguous memory block is available. Once again, should you encounter out-of-memory problems, we strongly recommend that you migrate to a 64-bit system (see above).
关于内存问题,经常遇到空余内存较多,但是comsol提示out of memory,只是因为32位的系统对内存有限制,并且还有内存碎片的问题,虽然系统仍有空余内存,但是没有一个连续的大块供软件调用,就提示内存不足。
解决方法: 换64位系统是最好的办法!
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