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PS教程：优化PS性能
Photoshop Playbook: Optimizing Photoshop Performance
人们经常问我关于优化PS性能的问题
People often ask me about optimising Photoshop’s performance.
你是否安装了一个旧版本或者买了一个新版本
And whether you’re setting up an older machine, or buying a new one,
这有许多令人困惑的因素
there’re a lot of confusing terms.
我想我可以帮助你理解它们到底是什么
And I thought I’d help you out in understanding what they are,
它们的作用 以及它们和PS之间的联系
what they do, and how it relates to Photoshop.
PS是一个可以做很多工作的工具
And Photoshop’s a real workhorse.
事实上 如果你看一看一架新机器的基准
In fact, if you look at a benchmark of a new machine,
它们通常会用PS来展示它的功能
they usually use Photoshop to show what it’s capable of.
这是一个64位的原生应用
It’s a 64 bit native application,
意味着它可以利用所有你能使用的记忆体
which means it can take advantage of as much RAM as you can throw at it.
充分利用你的处理器
Takes full advantage of your processor,
甚至是你的通用处理器
and even your GPU.
但是让我们看看这些东西意味着什么
But let’s look at what those things mean,
在使用PS的情况下
in a context of using Photoshop,
以及如何最大限度地使用它
and how to get the most out of it.
现在我们有一个非常大的文件在PS里
Here we are in Photoshop with a really large file.
你可以看出这是一个分图层的文件
You can that it’s a layered file,
有着智能过滤
with smart filters,
但这也是一个32位的文件
but it’s also a 32 bit file.
这些是8位文件
There are 8 bit files,
来自一般的相机和网络
which come off of your normal cameras, and the web;
这些是16位文件
there are 16 bit files,
可能来自你单反相机的原转换
likely to come from a raw conversion off of your DSLR;
然后这些是32位文件
and then there are 32 bit files,
这些是真的高动态范围图像
and these are true HDR, high dynamic range images.
它们非常大因为它们由多个图像构成
They’re really big because they’re made of multiple images.
这个由6个图像构成
This one’s made from 6,
你可以在左下角看到
and as you can see looking in the lower left,
它非常大 240兆字节
it’s pretty big, it’s 240 megs.
所以让我们来谈谈怎么理解
So let’s talk about how to understand,
PS对于这个文件所进行的操作
what Photoshop is doing with the file,
以及它的有效性
and how efficient it is.
我们现在要转换为“效率”视图
And to do that, we’re going to switch to our ‘Efficiency’ view,
在这的左下角
in the lower left there.
我们现在是100％ 也就是很好
We’re at 100%, which is good.
我们可以做一些事情来改变这个数据
There’re a few things that we can do to change this number.
其中一个是 改变它的大小
One of them would be, altering the size.
让这个图像变得更大
Making the image larger,
这样会让所有图层都变大
which is going to make all of the layers larger.
所以让我们让它的分辨率从300变为600
So let’s go from a resolution of 300 to 600,
让这个图像大小变为原来的两倍
let’s double the size of this image.
我们可以看到 我们的“效率”界面上的数据已经减小了
As we can see, our ‘Efficiency’ has dropped.
现在94％不是一个坏数字
Now, 94% is not a terrible number,
但也不是一个理想的数字
but it’s not ideal, either.
如果数字在90％以下的话
If you’re getting bellow 90%,
你必须要在PS内进行一些操作来进行调整了
you definitely want to do something within Photoshop to adjust that.
让我们来看看我们可以改变的一些东西
So let’s take a look at some of the things that we can change.
如果我们看到“PS”、“预设”、“性能”
If we come up to ‘Photoshop’, ‘Preferences’, ‘Performance’.
我们就可以看到我把我的记忆体设置得非常低
We’ll see that I’ve set my memory really low,
根据系统预置值 我的70％的记忆体在PS里都是可以获得的
by default, 70% of my memory is available to Photoshop.
剩下的通过操作系统
The rest is shared throughout the operating system,
和其他的应用都可以共享
and with other applications.
所以其中一件你可以做的事情
So one of the things that you could do,
就是关闭一些其他的正在运行的应用
is you could quit some other applications that are running.
但是 这样
But, in this case,
我要将PS内的数据恢复为默认值
I’m going to restore Photoshop to its default.
我把它调成那样是为了给你们示范
I just did that for the sake of this demonstration,
因为我的机器里有大量的记忆体
because my machine has a lot of memory in it.
所以 如果你的“效率”页面数据很低 你想要提高这个数字
So, if your ‘Efficiency’ is low, you want to raise this number.
我不建议停止它
I don’t recommend dropping this,
除非你在用许多其他的内存密集型应用
unless your using a lot of other memory intensive applications.
现在 当你使用PS的时候 你可能可以看见一个水皮球在旋转
Now, you may have seen a beach ball start spinning when you’re in Photoshop,
或者像是在停止运行状态下操作非常缓慢这类的事情
or things just sort of, creeped with halt.
这意味着你已经耗尽了记忆体
And what that means, is you’ve run out of RAM.
PS从页面显示了记忆体的状态
Photoshop is paged out of RAM,
并且在磁盘上记录信息
and it’s writing information to disk,
并读取信息
and reading it.
这是一个缓慢的过程
And this is a slower process.
现在 如果你想要提速 你可以做的一件事是
Now, one of the things that you could do to speed this up,
使用另外的暂存磁盘
is use additional scratch disks,
或者更快的暂存磁盘
or faster scratch disks.
在“性能”这个模块
And within the ‘Performance’ panel,
就是你可以进行操作的地方
this is where you would do that.
这是我的笔记本电脑
This is my laptop,
所以就用已经有的预置硬盘
so it’s just using my default hard drive that’s built in.
这是一个很快的固化硬盘
And it’s a pretty quick SSD drive,
但是没有记忆体那样快
but it’s not as fast as RAM.
所以如果我没有更多可用的记忆体
So if I didn’t have more RAM available,
我可以外加一个外部的驱动器
I could add an external drive,
把它作为一个暂存硬盘
and use that as a scratch disk.
它就在手边 因为无论我们的鼠标经过哪
This is handy in here, because wherever we mouse over,
你都可以看到在底部有一个描述
you’ll see that we get descriptions at the bottom,
关于发生了什么
of what’s happening.
这里有许多的信息 一件我将要讲到的事情
There’s a lot of information here, the one other thing that I’ll cover,
就是下调你的“历史记录”次数
is dropping your ‘History States’,
这是一个好方法来提高一点PS的性能
is a great way to pick up a little more performance within Photoshop.
它会记住你之前的20步
It’ll remember 20 steps back,
如果你不需要这所有的二十步 或者你需要加速
if you don’t need all of that, or if you need it to speed up,
你可以降低这个数字
you can drop that number.
只要你修改了这些
Once you’ve committed these,
你下次使用PS的时候
the next time that you launch Photoshop,
这些功效就会发挥作用
these effects will take place.
所以如果我把它降为70％
So if I drop it to 70%,
只有当下一次使用的时候我才有70％的历史记录
I won’t have 70% until the next time I start.
好了 所以关于PS使用的一些事情
Ok, so a couple of things in Photoshop,
这里有更多的资源给你
and then some more resources for you.
你要记住它
You’ll remember that,
我们有一些“历史记录”
we have a few ‘History States’,
在我们的“剪贴板”上可能也有一些信息
we might also have some information sitting on our ‘Clipboard’.
一旦你复制了什么
Once you’ve copied once,
它的记录就在那里
it’s just sitting there.
所以让我们看看这个
So let’s take a look at,
清除其中的一些信息
purging some of this information.
好了 我们“剪贴板”上没有任何的数据了
Ok, we don’t have any ‘Clipboard’ data,
但是我们还有“撤销”
but we do have some ‘Undo’,
“历史”
‘Histories’,
和“视频高速缓存”
and ‘Video Cache’.
清除了这些信息就能够提速
Purging that information is going to speed things up,
这就可以提高我们的效率
and it’s going to raise our ‘Efficiency’.
所以让我们退出PS
So let’s pop out of Photoshop,
然后用谷歌搜索
and do a quick Google search,
来得到更多关于PS性能的信息
to give you a lot more information about performance in Photoshop.
如果我搜索“PS的性能”
If I search for ‘performance photoshop’,
我将得到所有种类的信息
I’m going to get all sorts of information.
而这里有两样我想展示给你们看
And there’re really 2 things I want to show you here.
一个是我们的知识库文件
One, is our own knowledge-based document,
这不仅仅包括所有我提到过的东西
and this not only gets into depth with all the things I’ve talked about,
还有许多的关于如何调整PS的性能的信息
but it gets into a lot more on how to tweak and tune Photoshop’s performance.
现在 如果这对你来说有点难以消化了
Now, if this is a little too much for you to digest,
粉碎机杂志有相关的很好的文章
Smashing Magazine has this great article,
“10个优化PS性能的简单步骤”
’10 Simple Steps to Better Photoshop Performance’.
它更加精确
It’s a little more concise,
易于理解
and digestible,
你可以看完这篇文章然后在PS内应用这些知识
and you can read through this and apply these things within Photoshop.
我要说的最后一件事
The last thing I’ll speak to,
是你的通用处理器
is your GPU.
这是电脑里的另外一项设定
It’s another computer sitting within the computer,
有点像是电子游戏
and much like video games,
PS可以利用这个设定
Photoshop can take advantage of that.
如果你想要确定PS是最新版本
You want to make sure it’s up-to-date.
实际上 你想要确定所有的数据等都是最新版本
If fact, you want to make sure everything’s up-to-date,
你可以看看性能
when it comes to performance.
你想确定PS已经更新了
You want to make sure that Photoshop’s up to date,
你的通用处理器就是最开始更新的驱动器
that your GPU, is the most up-to-date driver,
然后是你的操作系统更新
and that your operating system is up-to-date,
因为它们是一起运行的
because they’re all working together,
来给你尽可能最好的性能
to give you the best possible performance.
PS教程订阅
去看PS教程视频列表
Photoshop Playbook,Subscribe,
Go to PS Playbook Playlist.