His father began to lose his memory bit by bit, becoming increasingly forgetful.
他父亲的记忆力开始一点点衰退,变得越来越健忘。
To understand the implications of these new features, we need to delve into the fine art of memory management a bit and consider why allocation overhead and speed are a big deal.
为了理解这些新增功能的含义,我们需要深入研究内存管理中的艺术,并考虑为什么分配开销和运行速度是大问题。
If you have a 64-bit DB2 instance, that means DB2 is using the 64-bit memory architecture.
如果有一个64位的DB 2实例,则意味着DB 2使用的是64位的内存体系结构。
By not having to import the object into the closure, we can save quite a bit of memory, especially if we have many closures that don't need this feature.
由于无需将对象导入闭包中,因此可以节省大量内存,尤其是在拥有许多不需要此功能的闭包时。
Use 64-bit processes (execution groups) rather than 32 bit processes from memory perspective.
从内存的角度而言,请使用64位进程(执行组),而不要采用32位进程。
So, the total amount of memory that is allocated will be a bit bloated.
所以,分配给它的内存数量将会非常大。
Common problems with allocating database Shared memory on 32-bit Sun solaris.
位SunSolaris中与分配数据库共享内存有关的常见问题。
Memory addressability - a 32-bit system can directly address only a 4-gb address space.
可寻址内存-一个32位系统只可以直接寻址4gb的地址空间。
The AIX 32-bit memory model is divided and managed as 16 256mb segments. Figure 2 shows the layout of the default 32-bit AIX memory model.
AIX32位内存模型被分成16个256MB分段进行管理。
Page-tables can normally be stored only in low memory on 32-bit machines.
在32 位机器上页表通常只可以存储在低端内存中。
Therefore we will focus on and discuss in detail the memory limitations affecting 32-bit systems.
因此,我们将焦点放在影响32位系统的内存限制,并对之进行详细的讨论。
Larger Memory Footprint - 64-bit software will take up more RAM than its 32-bit equivalent due to the way information is stored.
更大的内存占用——64位软件比32位软件平均占用内存要大,这是由其信息存储的方式决定的。
This memory must also come from low memory, which on 32-bit hardware is somewhat limited.
这些内存必须使用低端内存,而这在32位硬件上有点不够用。
You can also develop an algorithm that efficiently manages memory but USES a bit more memory.
也可以开发一个算法来有效地管理内存,但却要使用更多的内存。
Figure 6 shows the 32-bit memory address space for a DB2 agent process.
图6展示了用于一个DB 2代理进程的32位内存地址空间。
Memory constrained -- The extra memory provided by 64-bit supports a better caching strategy, enabling the application to avoid expensive queries, and so on.
内存限制——64位所提供的额外内存可以支持更好的缓冲策略,使得应用程序可以避免开销很高的查询,等等。
DB2 10 substantially increases the amount of virtual storage that can be addressed by moving most DB2 working memory from 32-bit to 64-bit.
通过将大部分DB 2工作内存从32位迁移到64位,DB 210极大地提高了可以寻址的虚拟内存量。
Memory is a bit more expensive, but even so, it can be replaced and even upgraded without trashing the whole project.
内存稍微昂贵一点,但即便如此,也可以替换甚至升级它,而不需要废弃整个项目。
On SLES 8, only 2 GB used for central memory because of the 31-bit operating system, and 2 GB expanded memory used for swap space.
在SLES8 上,只有2GB 的内存用作中央内存,因为这是一个 31 位的操作系统,有 2 GB 的扩展内存用作交换空间。
With 32-bit memory structure, no matter how big the physical RAM is, the instance, database configurations are limited by the 4gb addressable space.
对于32位内存结构,不管物理ram有多大,实例、数据库配置都受到4gb可寻址空间的限制。
Note: The rest of the article will dedicate to 32-bit memory architecture only.
注意:本文的后续部分只针对32 位内存体系结构。
With the 32-bit memory structure, regardless of how much physical RAM you may have on the system, the addressable memory by any process on any platform is 4gb.
对于32位内存结构,不管系统有多少物理ram,在任何平台上任何进程的可寻址内存都是4gb。
This rate of memory usage is much less than the 4 GB memory limit for a 64-bit application server.
这种水平的内存使用量远低于64位应用服务器的4GB内存限制。
Allocated memory is a bit trickier.
分配内存需要点技巧。
On SLES 8, only 2 GB were used for central memory, because of the 31-bit operating system, 2 GB expanded memory for swap space.
在SLES8上,仅使用了2GB的中心内存,因为是31位的操作系统,2 GB的扩展内存将用于交换空间。
However, you should use 64 bit IBM DB2 with IBM TSOM, because a 64 bit installation better addresses memory than a 32-bit installation.
然而,您应该使用64位IBMDB 2作为IBMTSOM数据库,因为64位数据库比32位数据库能够更好地处理内存。
Computer memory and address Spaces are getting larger; a 32-bit JVM means about 2 GB of usable memory.
计算机内存和地址空间变得更大;32位JVM表示2GB的可用内存。
Addressable memory in a 32-bit architecture versus 64-bit architecture.
位体系结构与64位体系结构中的可寻址内存。
As mentioned, a system running 64-bit Linux can allocate 4 GB of memory to a 32-bit application.
正如前面提到的,运行64位Linux的系统可以给32位的应用程序分配4GB内存。
64-bit instances of the database can address much more memory than 32-bit instances.
位数据库实例能够处理的内存比32位实例多得多。
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