HPC中使用的两种主要的硬件平台是共享内存系统和分布式内存系统。

The two common hardware platforms used in HPC are Shared memory systems and distributed memory systems.

youdao

DRAM是一种静态内存系统，速度快、可靠而且易损失——在断电后会失去储存的信息。

DRAM is a static memory system that's speedy, reliable and volatile — it loses stored info when there's no power.

youdao

写入器永远不会阻塞，因为缓冲可以无限扩展，或者至少到了底层内存系统设置的限制为止。

Writers are never blocked because the buffer capacity can be expanded indefinitely, or at least until the limit imposed by the underlying memory system is reached.

youdao

You can touch almost any part of memory in the computer systems that you want with your program, but do you want to?

通过你的程序，你可以触及到计算机系统,内存的任意部分，但是那是你想要的吗？

哈佛公开课 - 计算机科学课程节选

I can certainly try to write the number 13 there, but bam, my program very likely will crash if this chunk of memory was not given to me previously by the operating system and maybe it is owned by the operating system.

我当然可以在那里写下数字13，但是“嘣“,如果这块内存不是系统预先给我的,我的程序很可能会崩溃,可能这块内存,是系统本身使用的。

哈佛公开课 - 计算机科学课程节选

It's given its own memory as much as it asks for.

系统给它所需要的内存。

哈佛公开课 - 计算机科学课程节选