OpenMP 4.0 Support In Oracle Solaris Studio Ruud van der Pas Disnguished Engineer Architecture and Performance, SPARC Microelectronics SC’14 OpenMP BOF November 18, 2014 Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 1 Safe Harbor Statement The following is intended to outline our general product direcEon. It is intended for informaon purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or funcEonality, and should not be relied upon in making purchasing decisions. The development, release, and Eming of any features or funcEonality described for Oracle’s products remains at the sole discreEon of Oracle. Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 2 What Is Oracle Solaris Studio ? • Supported on Linux too • Compilers and tools, • It is actually a comprehensive so-ware suite, including: – C, C++ and Fortran compilers – Various tools (performance analyzer, thread analyzer, code analyzer, debugger, etc) • Plaorms supported – Processors: SPARC, x86 – Operang Systems: Solaris, Linux Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 3 hp://www.oracle.com/technetwork/ server-storage/solarisstudio/overview/index.html Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 4 OpenMP Specific Support/1 • Compiler – Various opEons and environment variables – Autoscoping – Compiler Commentary • General feature to inform about opEmizaons, but also specific to OpenMP • Performance Analyzer – OpenMP “states”, metrics, etc – Task and region specific informaon Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 5 Performance Analyzer - Profile Comparison Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 6 A Comparison– More Detail Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 7 OpenMP Specific Support/2 • Thread Analyzer – Data race and deadlock detecEon • Performance Library – Uses OpenMP internally • Debugger Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 8 Oracle Solaris Thread Analyzer Shows source lines where data races occur Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 9 Oracle Solaris Thread Analyzer Show dual source code Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 10 Some Features Useful For OpenMP Apps • Stack overflow check (-xcheck=stkovf opon) • Stac, compile Eme, checks (-xvpara opon) • Run Eme checks (SUNW_MP_WARN variable) • Run Eme controls (e.g. behaviour of idle threads) • Autoscoping (“default(__auto)” clause) • Run Eme data race and deadlock detecEon • Debugger/dbx support for OpenMP Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 11 Just Released (November 11, 2014) Oracle Solaris Studio 12.4 Full Support For OpenMP 4.0 Get Your Free Download Now Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 12 New Features in Studio 12.4 • Full support for OpenMP 4.0 • C++ 2011 support • Significant improvements in: – Performance Analyzer (both funcEonality and GUI) – Code Analyzer – Integrated Development Environment Check the web site for more details and your free download Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 13 OpenMP 4.0 Support Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 14 Full OpenMP 4.0 Support/1 • Thread Affinity • Tasking Extensions • Error Handling • User Defined ReducEons • ... Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 15 Full OpenMP 4.0 Support/2 • SIMD – Constructs are accepted, but may not generate SIMD instrucEons • Accelerators – Constructs are accepted, but code is executed on host Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 16 Thank You And ........ Stay Tuned ! Ruud van der Pas [email protected] hp://www.oracle.com/technetwork/ server-storage/solarisstudio/overview/index.html Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 17 Copyright © 2014, Oracle and/or its affiliates. All rights reserved. 18 .