错误910：进程内存不足

从VEE在Memory泄漏下的在线帮助中，它记录了两个已知的场景。这是其中之一。注意“程序执行的预期过程”。当Formula对象使用Error引脚时，您的程序可能会泄漏内存，并且错误
在预期的程序执行过程中，引脚会闪烁。
此情况的一个示例是表达式执行除零操作，导致Error引脚触发。这是另一种情况 - 仅当事务对象包含两个引用相同输出的READ事务时，才存在内存泄漏情况
pin，但使用不同的数据类型。
以下一对交易是一个例子：ÂREADTEXTx STRREAD TEXT x REALQ在-----原始消息-----来自：Graeme Hilton [mailto：GHilton@slb.com]发送：2006年8月18日星期五8
：51 PMTo：VRFS主题：[vrf]错误910：处理内存不足嗨所有，我已经搜索了存档（www.oswegosw.com/vrf_archive），因为任何提及错误910或处理内存不足，但我画了
一个空白。我有一个自动设置，可以下载数百万个点的范围跟踪。然后程序处理数据并将其保存到文件中，供其他工程师进一步分析。程序用不同的参数重复这些步骤，但始终相同
从scope中下载的点数。然而，程序经常会产生错误，代码910.这是一个系统错误，当我捕获任何9xx错误时，我会在发生任何非常糟糕的事情之前立即终止程序。帮助inVee建议
PC已经用尽了交换空间。我使用了ProcessExp
lorer（可从www.sysinternals.com获得）在开发和运行时版本中监视Vee的内存。在这两种情况下，Vee似乎没有使用所有可用的内存（物理和交换组合）。作为临时措施，我增加了
PC上的两个磁盘驱动器上可用的交换空间为4GB，每个2GB。此外，我已经在程序中处理了数据处理，以便大型数组（Int32的64,000,000个元素）不再闲置
如果有人对如何减少内存占用有任何建议我会很高兴听到它们.-- Graeme HiltonR＆amp; DEngineerSchlumbergerSensaÂ---您目前订阅了vrf：qi_gao@agilent.com请订阅
发送电子邮件至：“vrf-request@lists.it.agilent.com”，邮件正文中包含subscribe一词。要取消订阅，请发送一封空白电子邮件至“leave-vrf@it.lists.it.agilent.com”。
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     以下为原文

  From VEE's online help under Memory leak, it documents two known scenarios. 

Here is one of them.  Notice the "expected course of program execution". 

 

Your program may leak memory when a Formula object uses an Error pin, and the Error pin fires during the expected course of program execution. An example of this condition is where an expression performs a divide-by-zero operation causing the Error pin to fire.

 

 

Here is the other scenario -

The memory leak condition exists only if a transaction object contains two READ transactions that both reference the same output pin, but use different data types. The following pair of transactions is an example:

 

READ TEXT x STR

READ TEXT x REAL

 

Qi

 

-----Original Message-----
From: Graeme Hilton [mailto:GHilton@slb.com]
Sent: Friday, August 18, 2006 8:51 PM
To: VRF
Subject: [vrf] Error 910: Process out of memory

 

Hi all,

 

I've searched the archive (www.oswegosw.com/vrf_archive) for any mention

of an error 910 or process out of memory, but I've drawn a blank.

 

I have an automated setup that downloads a scope trace of many million

points.  The program then process the data and saves it to file for

further analysis by another engineer.  The program repeats these steps

many times with different parameters, but always the same number of

points being downloaded from the scope.

 

However, fairly frequently the program will produce an error, code 910.

This is a system error and when I trap any 9xx error I immediately

terminate the program before anything really bad happens.  The Help in

Vee suggests that the PC has run out of swap space.  I've used Process

Explorer (available from www.sysinternals.com) to monitor the memory

usage of Vee in both development and runtime versions.  In both cases

Vee does not appear to use all the available memory (physical and swap

combined).

 

As an interim measure I've increased the available swap space to a

whopping 4GB, 2GB each on two disk drives within the PC.  Also, I've

tweaked the data handling in the program so that the large arrays

(64,000,000 elements of Int32) are not left hanging around when they are

no longer needed.

 

If anyone has any more suggestions on how to reduce the memory footprint

I'd be happy to hear them.

 

--

Graeme Hilton

R&D Engineer

 

Schlumberger Sensa

 

 

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