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...d<https://aka.ms/ghei36> ________________________________ From: Alexey Bataev <a.bataev at outlook.com> Sent: Tuesday, January 22, 2019 12:52:42 PM To: Doerfert, Johannes Rudolf; cfe-dev at lists.llvm.org Cc: openmp-dev at lists.llvm.org; LLVM-Dev; Finkel, Hal J.; Alexey Bataev; Arpith Chacko Jacob Subject: Re: [RFC] Late (OpenMP) GPU code "SPMD-zation" The globalization for the local variables, for example. It must be implemented in the compiler to get the good performance, not in the runtime. ------------- Best regards, Alexey Bataev 22.01.2019 13:43, Doerfert, Johannes...

...ry). Thanks, Johannes ________________________________ From: llvm-dev <llvm-dev-bounces at lists.llvm.org> on behalf of Alexey Bataev via llvm-dev <llvm-dev at lists.llvm.org> Sent: Tuesday, January 22, 2019 13:10 To: Doerfert, Johannes Rudolf Cc: Alexey Bataev; LLVM-Dev; Arpith Chacko Jacob; openmp-dev at lists.llvm.org; cfe-dev at lists.llvm.org Subject: Re: [llvm-dev] [RFC] Late (OpenMP) GPU code "SPMD-zation" But we need to know the execution mode, SPMD or "guarded" ------------- Best regards, Alexey Bataev 22.01.2019 13:54, Doerfert, Johannes Rudolf п...

...d<https://aka.ms/ghei36> ________________________________ From: Alexey Bataev <a.bataev at outlook.com> Sent: Tuesday, January 22, 2019 12:34:01 PM To: Doerfert, Johannes Rudolf; cfe-dev at lists.llvm.org Cc: openmp-dev at lists.llvm.org; LLVM-Dev; Finkel, Hal J.; Alexey Bataev; Arpith Chacko Jacob Subject: Re: [RFC] Late (OpenMP) GPU code "SPMD-zation" ------------- Best regards, Alexey Bataev 22.01.2019 13:17, Doerfert, Johannes Rudolf пишет: Where we are ------------ Currently, when we generate OpenMP target offloading code for GPUs, we use sufficient syntactic criter...

...-bounces at lists.llvm.org><mailto:llvm-dev-bounces at lists.llvm.org> on behalf of Alexey Bataev via llvm-dev <llvm-dev at lists.llvm.org><mailto:llvm-dev at lists.llvm.org> Sent: Tuesday, January 22, 2019 13:10 To: Doerfert, Johannes Rudolf Cc: Alexey Bataev; LLVM-Dev; Arpith Chacko Jacob; openmp-dev at lists.llvm.org<mailto:openmp-dev at lists.llvm.org>; cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org> Subject: Re: [llvm-dev] [RFC] Late (OpenMP) GPU code "SPMD-zation" But we need to know the execution mode, SPMD or "guarded" ------...

...--------------------------------------- > *From:* Alexey Bataev <a.bataev at outlook.com> > *Sent:* Wednesday, March 13, 2019 2:15:39 PM > *To:* Doerfert, Johannes; cfe-dev at lists.llvm.org > *Cc:* openmp-dev at lists.llvm.org; LLVM-Dev; Finkel, Hal J.; Alexey > Bataev; Arpith Chacko Jacob > *Subject:* Re: [RFC] Late (OpenMP) GPU code "SPMD-zation" >   > > There are tooooooo(!) many changes, I don't who's going to review > sooooo big patch. You definitely need to split it into several smaller > patches. Also, I don't like the idea adding...

...>>> *From:* Alexey Bataev <a.bataev at outlook.com> >>> *Sent:* Wednesday, March 13, 2019 2:15:39 PM >>> *To:* Doerfert, Johannes; cfe-dev at lists.llvm.org >>> *Cc:* openmp-dev at lists.llvm.org; LLVM-Dev; Finkel, Hal J.; Alexey >>> Bataev; Arpith Chacko Jacob >>> *Subject:* Re: [RFC] Late (OpenMP) GPU code "SPMD-zation" >>> >>> >>> There are tooooooo(!) many changes, I don't who's going to review >>> sooooo big patch. You definitely need to split it into several smaller >>>...

There are tooooooo(!) many changes, I don't who's going to review sooooo big patch. You definitely need to split it into several smaller patches. Also, I don't like the idea adding of one more class for NVPTX codegen. All your changes should be on top of the eixisting solution. ------------- Best regards, Alexey Bataev 13.03.2019 15:08, Doerfert, Johannes пишет: > Please consider

...nt:* Wednesday, March 13, 2019 2:15:39 PM >>> *To:* Doerfert, Johannes; cfe-dev at lists.llvm.org<mailto:cfe-dev at lists.llvm.org> >>> *Cc:* openmp-dev at lists.llvm.org<mailto:openmp-dev at lists.llvm.org>; LLVM-Dev; Finkel, Hal J.; Alexey >>> Bataev; Arpith Chacko Jacob >>> *Subject:* Re: [RFC] Late (OpenMP) GPU code "SPMD-zation" >>> >>> >>> There are tooooooo(!) many changes, I don't who's going to review >>> sooooo big patch. You definitely need to split it into several smaller >>> pa...

Where we are ------------ Currently, when we generate OpenMP target offloading code for GPUs, we use sufficient syntactic criteria to decide between two execution modes: 1) SPMD -- All target threads (in an OpenMP team) run all the code. 2) "Guarded" -- The master thread (of an OpenMP team) runs the user code. If an OpenMP distribute region is encountered,

...r Brændeland <sjur.brandeland@stericsson.com> Slava Pestov <slavapestov@google.com> snijsure@grid-net.com Soeren Moch <smoch@web.de> Somnath Kotur <somnath.kotur@emulex.com> Sonic Zhang <sonic.zhang@analog.com> Sonny Rao <sonnyrao@chromium.org> Sony Chacko <sony.chacko@qlogic.com> Soren Brinkmann <soren.brinkmann@xilinx.com> Soren Hansen <soren@linux2go.dk> Sorin Dumitru <sdumitru@ixiacom.com> Soumik Das <soumik.das@stericsson.com> Sourav Poddar <sourav.poddar@ti.com> Spencer Krum <nibz@cat.pdx.edu&g...

...r Brændeland <sjur.brandeland@stericsson.com> Slava Pestov <slavapestov@google.com> snijsure@grid-net.com Soeren Moch <smoch@web.de> Somnath Kotur <somnath.kotur@emulex.com> Sonic Zhang <sonic.zhang@analog.com> Sonny Rao <sonnyrao@chromium.org> Sony Chacko <sony.chacko@qlogic.com> Soren Brinkmann <soren.brinkmann@xilinx.com> Soren Hansen <soren@linux2go.dk> Sorin Dumitru <sdumitru@ixiacom.com> Soumik Das <soumik.das@stericsson.com> Sourav Poddar <sourav.poddar@ti.com> Spencer Krum <nibz@cat.pdx.edu&g...

...r Brændeland <sjur.brandeland@stericsson.com> Slava Pestov <slavapestov@google.com> snijsure@grid-net.com Soeren Moch <smoch@web.de> Somnath Kotur <somnath.kotur@emulex.com> Sonic Zhang <sonic.zhang@analog.com> Sonny Rao <sonnyrao@chromium.org> Sony Chacko <sony.chacko@qlogic.com> Soren Brinkmann <soren.brinkmann@xilinx.com> Soren Hansen <soren@linux2go.dk> Sorin Dumitru <sdumitru@ixiacom.com> Soumik Das <soumik.das@stericsson.com> Sourav Poddar <sourav.poddar@ti.com> Spencer Krum <nibz@cat.pdx.edu&g...

...r Brændeland <sjur.brandeland@stericsson.com> Slava Pestov <slavapestov@google.com> snijsure@grid-net.com Soeren Moch <smoch@web.de> Somnath Kotur <somnath.kotur@emulex.com> Sonic Zhang <sonic.zhang@analog.com> Sonny Rao <sonnyrao@chromium.org> Sony Chacko <sony.chacko@qlogic.com> Soren Brinkmann <soren.brinkmann@xilinx.com> Soren Hansen <soren@linux2go.dk> Sorin Dumitru <sdumitru@ixiacom.com> Soumik Das <soumik.das@stericsson.com> Sourav Poddar <sourav.poddar@ti.com> Spencer Krum <nibz@cat.pdx.edu&g...

...r Brændeland <sjur.brandeland@stericsson.com> Slava Pestov <slavapestov@google.com> snijsure@grid-net.com Soeren Moch <smoch@web.de> Somnath Kotur <somnath.kotur@emulex.com> Sonic Zhang <sonic.zhang@analog.com> Sonny Rao <sonnyrao@chromium.org> Sony Chacko <sony.chacko@qlogic.com> Soren Brinkmann <soren.brinkmann@xilinx.com> Soren Hansen <soren@linux2go.dk> Sorin Dumitru <sdumitru@ixiacom.com> Soumik Das <soumik.das@stericsson.com> Sourav Poddar <sourav.poddar@ti.com> Sourav Poddar <sourav.poddar@ti....

...r Brændeland <sjur.brandeland@stericsson.com> Slava Pestov <slavapestov@google.com> snijsure@grid-net.com Soeren Moch <smoch@web.de> Somnath Kotur <somnath.kotur@emulex.com> Sonic Zhang <sonic.zhang@analog.com> Sonny Rao <sonnyrao@chromium.org> Sony Chacko <sony.chacko@qlogic.com> Soren Brinkmann <soren.brinkmann@xilinx.com> Soren Hansen <soren@linux2go.dk> Sorin Dumitru <sdumitru@ixiacom.com> Soumik Das <soumik.das@stericsson.com> Sourav Poddar <sourav.poddar@ti.com> Sourav Poddar <sourav.poddar@ti....

...r Brændeland <sjur.brandeland@stericsson.com> Slava Pestov <slavapestov@google.com> snijsure@grid-net.com Soeren Moch <smoch@web.de> Somnath Kotur <somnath.kotur@emulex.com> Sonic Zhang <sonic.zhang@analog.com> Sonny Rao <sonnyrao@chromium.org> Sony Chacko <sony.chacko@qlogic.com> Soren Brinkmann <soren.brinkmann@xilinx.com> Soren Hansen <soren@linux2go.dk> Sorin Dumitru <sdumitru@ixiacom.com> Soumik Das <soumik.das@stericsson.com> Sourav Poddar <sourav.poddar@ti.com> Sourav Poddar <sourav.poddar@ti....

...com> Slava Pestov <slavapestov@google.com> snijsure@grid-net.com Soeren Moch <smoch@web.de> Solomon Peachy <pizza@shaftnet.org> Somnath Kotur <somnath.kotur@emulex.com> Sonic Zhang <sonic.zhang@analog.com> Sonny Rao <sonnyrao@chromium.org> Sony Chacko <sony.chacko@qlogic.com> Soren Brinkmann <soren.brinkmann@xilinx.com> Soren Hansen <soren@linux2go.dk> soren.brinkmann@xilinx.com Sorin Dumitru <sdumitru@ixiacom.com> Soumik Das <soumik.das@stericsson.com> Sourav Poddar <sourav.poddar@ti.com> Sourav...

...com> Slava Pestov <slavapestov@google.com> snijsure@grid-net.com Soeren Moch <smoch@web.de> Solomon Peachy <pizza@shaftnet.org> Somnath Kotur <somnath.kotur@emulex.com> Sonic Zhang <sonic.zhang@analog.com> Sonny Rao <sonnyrao@chromium.org> Sony Chacko <sony.chacko@qlogic.com> Soren Brinkmann <soren.brinkmann@xilinx.com> Soren Hansen <soren@linux2go.dk> soren.brinkmann@xilinx.com Sorin Dumitru <sdumitru@ixiacom.com> Soumik Das <soumik.das@stericsson.com> Sourav Poddar <sourav.poddar@ti.com> Sourav...