inlining | 易学教程

Android Proguard does not inline

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问题 I am using the latest Android SDK (4.1) and I tried exporting a signed jar with Proguard enabled. However, after decompiling the optimized APK, I noticed that methods that I would have expected to be inlined were not. I know that Proguard ran because the code was correctly obfuscated. So to confirm this, I added this method to my Activity: private void testInlining() { mConfig = null; } This private method is called only once in my activity, and because it is private, it should be very

Inlining CSS in C#

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问题 I need to inline css from a stylesheet in c#. Like how this works. http://www.mailchimp.com/labs/inlinecss.php The css is simple, just classes, no fancy selectors. I was contemplating using a regex (?<rule>(?<selector>[^{}]+){(?<style>[^{}]+)})+ to strip the rules from the css, and then attempting to do simple string replaces where the classes are called, but some of the html elements already have a style tag, so I'd have to account for that as well. Is there a simpler approach? Or something

Are all compile-time constants inlined?

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Let's say I have a class like this: class ApplicationDefs{ public static final String configOption1 = "some option"; public static final String configOption2 = "some other option"; public static final String configOption3 = "yet another option"; } Many of the other classes in my application are using these options. Now, I want to change one of the options alone and deploy just the compiled class. But if these fields are in-lined in the consumer classes this becomes impossible right? Is there any option to disable the in-lining of compile time constants? reccles You can use String.intern() to

Inlining in Java

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In C++ I can declare a method "inline" and the compiler is likely to inline it. As far as I understand there is no such keyword in Java. Inlining is done if the JVM decides to do so? Can I influence this decision somehow? A couple of the other answers have suggested that only final methods can be inlined - this is not true, as HotSpot is smart enough to be able to inline non-final methods so long as they haven't been overridden yet . When a class is loaded which overrides the method, it can undo its optimisation. Obviously making the method final mean that's never required... Basically let the

What is inlining?

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问题 I am referring to this discussion. I have never written any code in C or in C++ . I do not have any CS background. However I have been working as Java developer for 5 years and now I have decided to learn more about CS and do some catching up. 回答1: When executing a given piece of code, whenever you call a standard function the execution time is slightly higher than dumping there the code contained into that function. Dumping every time the whole code contained in a function is on the other

When is a method eligible to be inlined by the CLR?

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问题 I\'ve observed a lot of \"stack-introspective\" code in applications, which often implicitly rely on their containing methods not being inlined for their correctness. Such methods commonly involve calls to: MethodBase.GetCurrentMethod Assembly.GetCallingAssembly Assembly.GetExecutingAssembly Now, I find the information surrounding these methods to be very confusing. I\'ve heard that the run-time will not inline a method that calls GetCurrentMethod, but I can\'t find any documentation to that

Preventing JIT inlining on a method

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问题 I\'ve got sort of a unique situation. I\'ve been working on an open source library for sending email. In this library, I need a reliable way to get the calling method. I\'ve done this with a StackTrace by analyzing the StackFrame objects inside it. This works without issue in a debug-mode project where optimizations are turned off. The problem occurs when I switch to release mode where optimizations are turned on. The stack trace looks like this: > FindActionName at offset 66 in file:line

Are all compile-time constants inlined?

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问题 Let\'s say I have a class like this: class ApplicationDefs{ public static final String configOption1 = \"some option\"; public static final String configOption2 = \"some other option\"; public static final String configOption3 = \"yet another option\"; } Many of the other classes in my application are using these options. Now, I want to change one of the options alone and deploy just the compiled class. But if these fields are in-lined in the consumer classes this becomes impossible right? Is

Inlining in Java

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问题 In C++ I can declare a method \"inline\" and the compiler is likely to inline it. As far as I understand there is no such keyword in Java. Inlining is done if the JVM decides to do so? Can I influence this decision somehow? 回答1: A couple of the other answers have suggested that only final methods can be inlined - this is not true, as HotSpot is smart enough to be able to inline non-final methods so long as they haven't been overridden yet . When a class is loaded which overrides the method,