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- More about Parallel Varfiler - 2 Updates
- Parallel Varfiler was ported to Delphi XE versions - 5 Updates
| Ramine <ramine@1.1>: Oct 28 05:54PM -0700 Hello, If you look at Java or Delphi , then if you use persitant objects , i think you have to save them manually to the hardisk file, but my Parallel Varfiler is more powerful cause it can save automaticaly to hardisk file each key and its corresponding data that you write to the hashtable , and as i have said my Parallel Varfiler don't use a single RWLock around the Hashtable, but it is more powerful cause it is more fine grained cause it uses lock striping and an RWLock for each bucket of the hashtable, so it's more scalable and fast. So you have to take a look at my Parallel Varfiler and its programming interface that is easy to use. Thank you, Amine Moulay Ramdane. |
| Ramine <ramine@1.1>: Oct 28 06:04PM -0700 I wrote: >but my Parallel Varfiler is more powerful cause it can save >automaticaly to hardisk file each key and its corresponding data that >you write to the hashtable , And when you delete or update a key an it's correponding my Parallel Varfiler will do it automaticaly for each key , so it's more powerful than persistant objects that you have to save manually to the hardisk, and Parallel Varfiler supports variants and streams, so all in all Parallel Varfiler is an interesting tool i think. Thank you, Amine Moulay Ramdane. |
| Ramine <ramine@1.1>: Oct 28 05:00PM -0700 Hello, My Parallel Varfiler was ported to Delphi XE versions, so now it's working with all the Delphi versions and also with FreePascal. Please note that Parallel Varfiler is more powerful than a persistant parallel Hashtable, cause it can also save automaticaly your parallel Hashtable to the hardisk or it can also work from memory and it's a parallel hashtable that works with variants and with streams etc. You can read more about Parallel Varfiler and download it from my google site here: https://sites.google.com/site/aminer68/parallel-varfiler there is two zipfiles to download, one for Delphi XE versions called "parallelvarfiler_xe.zip" and another one for FreePascal and Delphi 7 to 2007 called "parallelvarfiler.zip"... Thank you, Amine Moulay Ramdane. |
| Ramine <ramine@1.1>: Oct 28 05:08PM -0700 Hello, When there is collisions in the hashtable , the average time complexity will be O(log(n)) in each bucket were the collisions happened. To compile it please use the define options: -DDelphi Thank you, Amine Moulay Ramdane. |
| Ramine <ramine@1.1>: Oct 28 05:19PM -0700 Hello, When there is collisions in the parallel hashtable , the average time complexity will be O(log(n)) in each bucket were the collisions happened. The average time complexity is O(log(n)) in each bucket were the collisions happened, cause i am using a binary tree in each bucket of the hashtable, and the best case time complexity is O(1) , so it's more than a parallel hashtable that is really fast. Thank you, Amine Moulay Ramdane. |
| Ramine <ramine@1.1>: Oct 28 05:29PM -0700 Hello, My Parallel Varfiler is not using RWLock, it's using a more fine grained locking mechanism that we call lock striping and using RWLock in each bucket of the hashtable , so it is really scalable and fast. Thank you, Amine Moulay Ramdane. |
| Ramine <ramine@1.1>: Oct 28 05:51PM -0700 Hello, If you look at Java or Delphi , then if you use persitant objects , i think you have to save them manually to the hardisk file, but my Parallel Varfiler is more powerful cause it can save automaticalyto hardisk file each key and its corresponding data that you write to the hashtable , and as i have said my Parallel Varfiler don't use a single RWLock around the Hashtable, but it is more powerful cause it is more fine grained cause it uses lock striping and an RWLock for each bucket of the hashtable, so it's more scalable and fast. So you have to take a look at my Parallel Varfiler and its programming interface that is easy to use. Thank you, Amine Moulay Ramdane. |
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