Use parallel_for instead of a pipeline in implementation3 of WorkStream.
Use parallel_for instead of a pipeline in implementation3 of WorkStream.

andreamola/dealii,ESeNonFossiIo/dealii,kalj/dealii,gpitton/dealii,lpolster/dealii,sairajat/dealii,pesser/dealii,JaeryunYim/dealii,gpitton/dealii,andreamola/dealii,nicolacavallini/dealii,adamkosik/dealii,sriharisundar/dealii,ibkim11/dealii,lue/dealii,msteigemann/dealii,mtezzele/dealii,danshapero/dealii,kalj/dealii,msteigemann/dealii,mac-a/dealii,EGP-CIG-REU/dealii,sairajat/dealii,ibkim11/dealii,shakirbsm/dealii,sriharisundar/dealii,angelrca/dealii,YongYang86/dealii,kalj/dealii,mac-a/dealii,maieneuro/dealii,YongYang86/dealii,ibkim11/dealii,shakirbsm/dealii,sairajat/dealii,flow123d/dealii,JaeryunYim/dealii,ESeNonFossiIo/dealii,YongYang86/dealii,natashasharma/dealii,shakirbsm/dealii,naliboff/dealii,maieneuro/dealii,sriharisundar/dealii,JaeryunYim/dealii,mtezzele/dealii,lue/dealii,lue/dealii,kalj/dealii,JaeryunYim/dealii,andreamola/dealii,spco/dealii,lpolster/dealii,naliboff/dealii,adamkosik/dealii,spco/dealii,adamkosik/dealii,naliboff/dealii,adamkosik/dealii,flow123d/dealii,pesser/dealii,natashasharma/dealii,Arezou-gh/dealii,danshapero/dealii,mtezzele/dealii,maieneuro/dealii,rrgrove6/dealii,spco/dealii,nicolacavallini/dealii,rrgrove6/dealii,lpolster/dealii,gpitton/dealii,spco/dealii,angelrca/dealii,gpitton/dealii,sriharisundar/dealii,YongYang86/dealii,rrgrove6/dealii,shakirbsm/dealii,EGP-CIG-REU/dealii,msteigemann/dealii,jperryhouts/dealii,ibkim11/dealii,ESeNonFossiIo/dealii,ibkim11/dealii,nicolacavallini/dealii,JaeryunYim/dealii,jperryhouts/dealii,Arezou-gh/dealii,pesser/dealii,flow123d/dealii,danshapero/dealii,adamkosik/dealii,johntfoster/dealii,shakirbsm/dealii,EGP-CIG-REU/dealii,mac-a/dealii,mac-a/dealii,rrgrove6/dealii,natashasharma/dealii,Arezou-gh/dealii,sairajat/dealii,angelrca/dealii,adamkosik/dealii,rrgrove6/dealii,flow123d/dealii,adamkosik/dealii,lue/dealii,EGP-CIG-REU/dealii,rrgrove6/dealii,lpolster/dealii,maieneuro/dealii,jperryhouts/dealii,spco/dealii,andreamola/dealii,kalj/dealii,rrgrove6/dealii,msteigemann/dealii,Arezou-gh/dealii,ESeNonFossiIo/dealii,EGP-CIG-REU/dealii,sriharisundar/dealii,natashasharma/dealii,nicolacavallini/dealii,johntfoster/dealii,EGP-CIG-REU/dealii,jperryhouts/dealii,pesser/dealii,spco/dealii,naliboff/dealii,ESeNonFossiIo/dealii,gpitton/dealii,Arezou-gh/dealii,johntfoster/dealii,danshapero/dealii,mtezzele/dealii,JaeryunYim/dealii,jperryhouts/dealii,YongYang86/dealii,pesser/dealii,Arezou-gh/dealii,ibkim11/dealii,sairajat/dealii,msteigemann/dealii,angelrca/dealii,andreamola/dealii,lpolster/dealii,mtezzele/dealii,lue/dealii,lue/dealii,johntfoster/dealii,maieneuro/dealii,nicolacavallini/dealii,mac-a/dealii,flow123d/dealii,johntfoster/dealii,ESeNonFossiIo/dealii,natashasharma/dealii,flow123d/dealii,andreamola/dealii,gpitton/dealii,sairajat/dealii,kalj/dealii,nicolacavallini/dealii,jperryhouts/dealii,mac-a/dealii,naliboff/dealii,lpolster/dealii,natashasharma/dealii,danshapero/dealii,natashasharma/dealii,msteigemann/dealii,shakirbsm/dealii,pesser/dealii,ESeNonFossiIo/dealii,pesser/dealii,sairajat/dealii,YongYang86/dealii,mtezzele/dealii,danshapero/dealii,maieneuro/dealii,flow123d/dealii,jperryhouts/dealii,EGP-CIG-REU/dealii,angelrca/dealii,angelrca/dealii,johntfoster/dealii,naliboff/dealii,shakirbsm/dealii,YongYang86/dealii,spco/dealii,Arezou-gh/dealii,lue/dealii,gpitton/dealii,naliboff/dealii,kalj/dealii,mac-a/dealii,johntfoster/dealii,ibkim11/dealii,sriharisundar/dealii,sriharisundar/dealii,msteigemann/dealii,andreamola/dealii,danshapero/dealii,nicolacavallini/dealii,maieneuro/dealii,JaeryunYim/dealii,lpolster/dealii,angelrca/dealii,mtezzele/dealii