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2015, Friday May 8

I do not like people shoot in my foot, do you?

There was some discussion about the new TStringHelper feature introduced in latest versions of Delphi.
I was told to be some kind of archaic guy, not able to see the benefit of this.
Reducing opinions to a conservative/progressive approach - another famous 10 kinds of coders - is very reductive.

Of course, this was IMHO unfair and my point was that I have the feeling that some decisions about the Delphi language and RTL are inadequate.
Some changes are welcome. I enjoy the introduction of generics - even if it is was painful, and even buggy (do not use TList<T> with managed record types in XE8!).
But some upcoming changes about the string policy - breaking everything just because we want to align with mainstream C# or Java habits - are just non sense to me.
I really think that Embarcadero deciders like to shoot their own foot.
Or - certainly worse - our own feet!

I will post here some part of the discussion...
So that we may be able to share our ideas.

Continue reading...

2015, Monday April 20

Delphi is not a cross-compiler, but a set of cross-compilers

It is worth saying again.
I'm not speaking this time about performance issues, but about a common misunderstanding of what the latest version of Delphi offers.

Since Delphi "NextGen" compilers did break the memory model (introducing ARC), and also reducing low-level types (e.g. RawByteString/AnsiString), we can not say that Delphi is a single cross-compiler.
In practice, it has a set of cross-compilers.

Continue reading...

2014, Monday August 11

Cross-Platform mORMot Clients - Smart Mobile Studio

Current version of the main framework units target only Win32 and Win64 systems.

It allows to make easy self-hosting of mORMot servers for local business applications in any corporation, or pay cheap hosting in the Cloud, since mORMot CPU and RAM expectations are much lower than a regular IIS-WCF-MSSQL-.Net stack.
But in a Service-Oriented Architecture (SOA), you would probably need to create clients for platforms outside the Windows world, especially mobile devices.

A set of cross-platform client units is therefore available in the CrossPlatform sub-folder of the source code repository. It allows writing any client in modern object pascal language, for:

  • Any version of Delphi, on any platform (Mac OSX, or any mobile supported devices);
  • FreePascal Compiler 2.7.1;
  • Smart Mobile Studio 2.1, to create AJAX or mobile applications (via PhoneGap, if needed).

This series of articles will introduce you to mORMot's Cross-Platform abilities:

Any feedback is welcome in our forum, as usual!

Continue reading...

Cross-Platform mORMot Clients - Delphi / FreePascal

Current version of the main framework units target only Win32 and Win64 systems.

It allows to make easy self-hosting of mORMot servers for local business applications in any corporation, or pay cheap hosting in the Cloud, since mORMot CPU and RAM expectations are much lower than a regular IIS-WCF-MSSQL-.Net stack.
But in a Service-Oriented Architecture (SOA), you would probably need to create clients for platforms outside the Windows world, especially mobile devices.

A set of cross-platform client units is therefore available in the CrossPlatform sub-folder of the source code repository. It allows writing any client in modern object pascal language, for:

  • Any version of Delphi, on any platform (Mac OSX, or any mobile supported devices);
  • FreePascal Compiler 2.7.1;
  • Smart Mobile Studio 2.1, to create AJAX or mobile applications (via PhoneGap, if needed).

This series of articles will introduce you to mORMot's Cross-Platform abilities:

Any feedback is welcome in our forum, as usual!

Continue reading...

Cross-Platform mORMot Clients - Generating Code Wrappers

Current version of the main framework units target only Win32 and Win64 systems.

It allows to make easy self-hosting of mORMot servers for local business applications in any corporation, or pay cheap hosting in the Cloud, since mORMot CPU and RAM expectations are much lower than a regular IIS-WCF-MSSQL-.Net stack.
But in a Service-Oriented Architecture (SOA), you would probably need to create clients for platforms outside the Windows world, especially mobile devices.

A set of cross-platform client units is therefore available in the CrossPlatform sub-folder of the source code repository. It allows writing any client in modern object pascal language, for:

  • Any version of Delphi, on any platform (Mac OSX, or any mobile supported devices);
  • FreePascal Compiler 2.7.1;
  • Smart Mobile Studio 2.1, to create AJAX or mobile applications (via PhoneGap, if needed).

This series of articles will introduce you to mORMot's Cross-Platform abilities:

Any feedback is welcome in our forum, as usual!

Continue reading...

Cross-Platform mORMot Clients - Units and Platforms

Current version of the main framework units target only Win32 and Win64 systems.

It allows to make easy self-hosting of mORMot servers for local business applications in any corporation, or pay cheap hosting in the Cloud, since mORMot CPU and RAM expectations are much lower than a regular IIS-WCF-MSSQL-.Net stack.
But in a Service-Oriented Architecture (SOA), you would probably need to create clients for platforms outside the Windows world, especially mobile devices.

A set of cross-platform client units is therefore available in the CrossPlatform sub-folder of the source code repository. It allows writing any client in modern object pascal language, for:

  • Any version of Delphi, on any platform (Mac OSX, or any mobile supported devices);
  • FreePascal Compiler 2.7.1;
  • Smart Mobile Studio 2.1, to create AJAX or mobile applications (via PhoneGap, if needed).

This series of articles will introduce you to mORMot's Cross-Platform abilities:

Any feedback is welcome in our forum, as usual!

Continue reading...

2014, Sunday May 18

New sample for JSON performance: mORMot vs SuperObject/XSuperObject/dwsJSON/DBXJSON

We have just added a new "25 - JSON performance" sample to benchmark JSON process, using well most known Delphi libraries...

A new fight
featuring
mORMot vs SuperObject/XSuperObject/dwsJSON/DBXJSON

On mORMot side, it covers TDocVariant, late binding, TSQLTable, ORM, record access, BSON...

We tried to face several scenarios:

  • parse/access/write iteration over a small JSON document,
  • read of deeply nested 680 KB JSON (here mORMot is slower than SO/dwsJSON),
  • read of one 180 MB JSON file (with on-the-fly adaptation to fit a record layout),
  • named access to all rows and columns of a 1 MB JSON table, extracted from a SQL request (with comparison with our ORM performance).

On average and in details, mORMot is the fastest in almost all scenarios (with an amazing performance for table/ORM processing), dwsJSON performs very well (better than SuperObject), and DBXJSON is the slowest (by far, but XE6 version is faster than XE4).

Continue reading...

"Native" means CPU-native... even Microsoft admits it!

There were a lot of debate about what "native" was..

Especially for some great companies, you want to sell their compiler technologies...
For them, "native" is not CPU-native, but framework-native...

Even Microsoft claimed since the beginning of C# that the managed .Net model was faster, due to "optimized JIT or NGEN compilation"...

But even Microsoft is clearly changing its mind!

They switch to "Native" for their framework, especially when targeting mobile platforms!

Continue reading...