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re: Linear Gradient Fill example for MASM

modchip — Fri, 20 Mar 2009 04:59:53 GMT

COOL!!!

MethodInfo.Invoke vs MethodCall Performance on DynamicMethods

jakelite — Mon, 16 Feb 2009 18:26:23 GMT

I posted a question on cvega ’s article on using CIL getters and setters to speed up the execution

re: Using CIL to set/get values from fields and properties

cvega — Mon, 16 Feb 2009 03:12:57 GMT

@cruizer,

I'm not exactly sure how NHibernate does it.

However, given the fact the NHibernate is dependent in Castle.DynamicProxy, I think they are making a proxy-class of an entity class (that is also why Entity's properties should be virtual for this to work) and then doing a DynamicMethod for creating an instance of that proxy through constructor:

public class MyEntity {

public virtual string Name { get; set; }

}

// NHibernate runtime proxy:

public class MyEntityNHProxy: MyEntity {

public MyEntityNHProxy(string name) {

Name = name; // set value here...

}

// members are inherited. I'm not sure why

// they need members to be "virtual".

}

-chris

re: Using CIL to set/get values from fields and properties

cruizer — Mon, 16 Feb 2009 01:23:21 GMT

as always, great post here chris! :)

i wonder though why they insisted on going with their own O/RM instead of leveraging an existing one like NHibernate. NHibernate probably does what your code does whenever it starts up, since there's a momentary delay as it reads the .hbm.xml mappings, right?

oh well...maybe they're afraid of open source. personally i'm more afraid of the NIH syndrome that's pervasive in the Microsoft community.

re: Using CIL to set/get values from fields and properties

cvega — Sun, 15 Feb 2009 15:11:15 GMT

@jakelite,

DynamicMethod.Invoke should be faster (although I didn't tested it yet).

CreateDelegate method will only return a invokable delegate with DynamicMethod signature in it. When you call the delegate, it will then resolve the DynamicMethod back again to call DynamicMethod.Invoke.

-c

re: Using CIL to set/get values from fields and properties

jakelite — Sat, 14 Feb 2009 17:01:14 GMT

great article! one question though. what is the performance characteristics of calling dynamicMethod.Invoke as compared to using dynamicMethod.CreateDelegate and calling the delegate?

perhaps something for a follow up blog post?

cheers!

re: Setting-up your MASM32 development environment

CryptoKnight — Mon, 26 Jan 2009 02:03:54 GMT

Great! This should get anyone started with just the right amount of info.

Keep it up!

re: Setting-up your MASM32 development environment

modchip — Mon, 26 Jan 2009 01:46:01 GMT

Very nice, detailed enough to get people started! Thanks, this will serve as a great reference (in case I forget). Hehehe.

re: An assembly language only blog

cvega — Sat, 24 Jan 2009 13:18:41 GMT

Yes you're right :D

re: An assembly language only blog

cruizer — Fri, 23 Jan 2009 03:08:07 GMT

wait a minute...all your blogs and posts are assembly related! you've already been doing this ;)