Thanks for answering, Stuart. I 'm looking forward to the next release 
then (and hope it comes with some documentation too).

Carsten

Stuart Owen wrote:
> Hi Carsten,
>
> Carsten Byrman wrote:
>   
>> Hi,
>>
>> I am fairly new to Taverna and investigating the list handling feature 
>> to invoke a web service multiple times with different parameters. What I 
>> observe is that the calls are made synchronously and I was wondering 
>> whether it is also possible to make them in a nonblocking way.
>>   
>>     
> If you are using Taverna 1 then you can control the number of concurrent 
> threads used when invoking a service. Take a look at: 
> http://www.mygrid.org.uk/usermanual1.7/workbench_windows.html#ame_processors 
> (towards the end of that page "3.1.1.6.7. Configuring multithreading"). 
> If you are invoking the service within a set of iterations then this 
> will invoke them in parallel. Technically speaking the services are 
> still called synchronously, but on multiple threads.
>
> There is similar functionality in Taverna 2.1 beta, that will be 
> included in the next beta version to be released very soon. In Taverna 
> 2.0 this wasn't configurable in the user interface.
>
> Stuart.
>   
>> Carsten
>>
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>>     
>
>
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