问题描述
我有一个Python程序，可以读取文件行并对其进行分析.该程序有意将许多行读入RAM.
I have a Python program that reads lines of files and analyzes them. The program intentionally reads many lines into the RAM.
程序在列表中添加一行(如str)时开始获取MemoryError.当我签入任务管理器时(该程序在Windows 10上运行)，我看到该程序的内存为1635MB(稳定)，并且计算机的总内存使用率低于50％.
The program started getting MemoryError while appending a line (as str) to list. When I check in the task manager (the program runs on Windows 10), I see that the memory of the program is on 1635MB (stable) and the total memory use of the machine is below 50%.
我读到Python并没有限制内存，那可能是什么原因?
I read that Python does not limit the memory, so what could be the reason?
技术细节:
我在Windows 10 64位16GB RAM计算机上使用Python 3.6.5.我从PowerShell终端而不是通过IDE运行程序.
I use Python 3.6.5 on Windows 10, 64-bit 16GB RAM machine. I run the program from the PowerShell terminal and not through the IDE.
推荐答案
默认情况下，编译为32位的Windows EXE具有2GB的内存限制，即使在具有更多可用内存的64位OS SKU上也是如此.您的存储空间为1.6 GB，因此可能会超出此限制.
Windows EXEs compiled as 32-bit have, by default, a 2GB memory limit even when on 64-bit OS SKUs where plenty more memory is available. You're at 1.6 GB, so you're probably bumping up against this limit.
确保您正在运行Python.exe的64位版本.出于未知原因，Python.org的下载页面默认为32位.但是，如果您浏览到其给定版本的下载页面的底部， ，您可以找到适用于64位体系结构的x86-64版本.
Make sure you are running the 64-bit version of Python.exe. Python.org's download page defaults to 32-bit for unknown reasons. But if you browse to the bottom of their download page for a given release, you can find the x86-64 version for 64-bit architecture.
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