PGI User's Guide

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$Intel(R) Math Kernel Library for Linux* OS User's Guide$

modifier *, 186, 186modifier &, 186modifier %, 186modifier +, 186modifier =, 186Operand constraintsmachine, 183Optimization, 23C/C++ pragmas, 45, 108C/C++ pragmas scope, 111default level, 28default levels, 44defined, 24Fortran directives, 45, 107Fortran directives scope, 110function inlining, 15, 24, 49global, 24, 28global optimization, 28inline libraries, 50Inter-Procedural Analysis, 24IPA, 24local, 24, 28, 45loops, 24loop unrolling, 24, 29-Munroll, 29no level specified, 27none, 27-O0, 27-O1, 27-O2, 27-O3, 27-O4, 27-Olevel, 27options, 23parallelization, 35PFO, 25PGPROF, 23profile-feedback (PFO), 44Profile-Feedback Optimization, 25profiler, 23using -Mipa, 39vectorization, 24, 30Optionscache size, 31-dryrun, 26frequently used, 21196Mchkfpstk, 139-Minfo, 26-Mneginfo, 26optimizing code, 23perfromance-related, 21prefetch, 32SSE-related, 31PParallalizationcode speed, 15Parallelization, 23, 24auto-parallelization, 35C++ Pragmas, 60Directives, 55Directives, defined, 59directives format, 59directives usage, 38failed auto-parallelization, 36Mac OS X, 14-Mconcur=altcode, 35-Mconcur=cncall, 36-Mconcur=dist, 36NCPUS environment variable, 36Pragmas, 55pragmas usage, 38safe_lastval, 38Parallel Programmingautomatic shared-memory, 7data parallel shared-memory, 7distributed-memeory, 7Linux, 9OpenMP shared-memory, 7run HPF program, 8run SMP program, 8styles, 7Performance-fast, 20-fastsse, 20-Mipa, 21-Mpi=fast, 21options, 21overview, 20PGDBGlaunch, 11launch for x64, 11PGI Start menu, 11, 11PGI_Termabort value, 141debug value, 140signal value, 140trace value, 140PGI_TERMnoabort value, 141nodebug value, 140nosignal value, 140notrace value, 140PGI CDK, 76PGPROFlaunch, 11overview, 23PGI Start menu, 11profile MPI applications, 75profiler, 23Platformsspecific considerations, 9supported, 9PortabilityLinux, 146Linux package, 146multi-threaded programs, 46Pragmas, 107C/C++, 3clauses, 62default scope, 108defined, 60format, 60global scope, 108loop scope, 108OpenMP C/C++, 55optimization, 108PGI Proprietary, 108prefetch example, 115prefetch syntax, 115recognition, 60routine scope, 108scope, 108, 111scope rules, 113Summary table, 60summary table, 108syntax, 108Prefetch, 32
Indexdirectives, 113directives example, 114directives sentinel, 114directives syntax, 114pargma example, 115pargma syntax, 115Preprocessorcpp, 5Fortran, 5Processorsarchitecture, 148Profilegenerate data, 78MPI applications, 75Profiler, 23launch, 11PGPROF, 75Programsextracting, 53PropagationIPA phase, 41Proprietary environment variablesFORTRAN_OPT, 133, 135GMON_OUT_PREFIX, 133MP_BIND, 133MP_BLIST, 133MP_SPIN, 133MP_WARN, 133MPSTKZ, 133NCPUS, 134NCPUS_MAX, 134NO_STOP_MESSAGE, 134PGI, 134PGI_CONTINUE, 134PGI_OBJSUFFIX, 134PGI_STACK_USAGE, 134PGI_TERM, 134PGI_TERM_DEBUG, 134, 134STATIC_RANDOM_SEED, 134TMP, 134TMPDIR, 134Rranlib command, 122RecompileIPA phase, 41Redistributable fileslicensing on Linux, 147Linux, 146RedistributablesMicrosoft Open Tools, 147PGI directories, 147ReleasePVF Release Notes, 11Restrictionsinlining, 53Return values, 155character, 155complex, 156Runtimelibraries on Windows, 120library routines, 65Linux considerations, 145SScalarslast value, 38Scopesdirectives, 107pragma rules, 113pragmas, 108Serverdocumentation, 11Setenvironment variables, 131Shared object filescreating, 118using, 118ShellsPGI bash, 10PGI bash for x64, 10PGI command, 10PGI command for x64, 10siterc files, 14SSEexample, 33scalar code generation, 28vectorization example, 32Stackstraceback, 143Startmenu, PGDBG, 11, 11menu, PGPROF, 11Staticdata in Linux, 168Static librarieson Windows, 121STDCALLcalling conventions, 164Stringsmodifiers, assembly, 188Subroutines, 152Symbolname construction, 163Syntaxcommand-line options, 2pragmas, 108prefetch directives, 114, 114prefetch pragmas, 115SYSTEM_CLOCK, 46usage, 46TTableFortran Directives, 108, 115MPI Implementation Options, 74OpenMP Environment Variables,70TasksOpenMP overview, 58thread-compliant, HP-MPI, 77TimingCPU_CLOCK, 46execution, 45SYSTEM_CLOCK, 46TOC file, 52ToolsPGDBG, xviiiPGPROF, xviii, xviiiusage documentation, 11, 11UUnderscoresinter-language calling usage, 153Unified Binariescommand-line switches, 149, 149directives, 149-Mipa option, 39197
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While every precaution has been tak
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PGI ® Compiler User’s Guide4. Us
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PGI ® Compiler User’s GuideRefer
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xii14.6. Intrinsic Header File Orga
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xiv13.3. Large Array and Small Memo
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Organizationxvi• Fortran 95 Handb
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Conventionsin this guide with which
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Chapter 1. Getting StartedThis chap
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Chapter 1. Getting StartedWhere:opt
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Chapter 1. Getting Startedfilename.
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Chapter 1. Getting Startedfilename.
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Chapter 1. Getting Startedparallel
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Chapter 1. Getting Startedas execut
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Chapter 1. Getting Startedar or ran
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Chapter 1. Getting StartedTo do thi
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Chapter 2. Using Command LineOption
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Chapter 2. Using Command Line Optio
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Chapter 2. Using Command Line Optio
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Chapter 3. Optimizing & Parallelizi
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Invoking Function Inlining50except:
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Creating an Inline Librarylevel of
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Restrictions on InliningA Fortran s
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OpenMP OverviewFortran directives a
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Task OverviewN = 1000DO I = 1, NV(I
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C/C++ Parallelization PragmasC/C++
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Directive and Pragma ClausesFortran
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Directive and Pragma ClausesThis cl
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Run-time Library RoutinesRun-time L
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Run-time Library RoutinesRun-time L
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Environment VariablesRun-time Libra
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Chapter 6. Using MPIMessage Passing
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Chapter 6. Using MPIyou are using M
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Chapter 6. Using MPIthe root of the
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Chapter 6. Using MPIcorrelated with
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Chapter 6. Using MPI• Add the fol
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TerminologyAvailability84The PGI 11
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System Requirements86Vector operati
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Memory Model88• waits for complet
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Accelerator DirectivesAccelerator D
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Accelerator Directives• Initial d
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Accelerator DirectivesThis directiv
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Accelerator Directive ClausesUse th
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Environment Variables• Interfaces
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PGI Unified Binary for Accelerators
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Profiling Accelerator KernelsWith '
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Supported IntrinsicsTable 7.5. Supp
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References related to AcceleratorsT
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PGI Proprietary C and C++ Pragmas10
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Scope of Fortran Directives and Com
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Scope of C/C++ Pragmas and Command-
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Prefetch Directives and Pragmas114d
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C$PRAGMA CTable 8.2. !DEC$ Directiv
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Using System Library Routines118voi
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Creating and Using Dynamic Librarie
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Creating and Using Dynamic-Link Lib
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Using LIB3FStep 3: Run the exe to e
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Setting Environment VariablesIn bas
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PGI-Related Environment VariablesEn
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PGI Environment VariablesLD_LIBRARY
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PGI Environment VariablesNCPUS138Se
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PGI Environment VariablesThe value
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Using Environment Modules on LinuxT
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Page 166 and 167: Deploying Applications on Linux146T
Page 168 and 169: Code Generation and Processor Archi
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Page 172 and 173: Inter-language Calling Consideratio
Page 174 and 175: Compatible Data TypesNoteFortran Ty
Page 176 and 177: Array Indices! Fortran function ret
Page 178 and 179: ExamplesCompile and execute the pro
Page 180 and 181: Examples160int a,b,c;a=8; b=2;print
Page 182 and 183: Win32 Calling Conventionscout
Page 184 and 185: Win32 Calling Conventions164call wo
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Page 188 and 189: Large Static Data in LinuxC/C++ Dat
Page 190 and 191: Practical Limitations of Large Arra
Page 192 and 193: Medium Memory Model and Large Array
Page 194 and 195: Large Array and Small Memory Model
Page 196 and 197: Extended Inline AssemblyExtended In
Page 198 and 199: Extended Inline Assemblyexample2:..
Page 200 and 201: Extended Inline Assembly180movq %rs
Page 202 and 203: Extended Inline AssemblyConstraintw
Page 204 and 205: Extended Inline AssemblyConstraintu
Page 206 and 207: Extended Inline AssemblyConstraintM
Page 208 and 209: Extended Inline AssemblyModifierDes
Page 210 and 211: Intrinsicsvoid example21(){void * s
Page 212 and 213: suboptions, 18syntax, 2, 17Commands
Page 214 and 215: InstallLinux portability package, 1
Page 218: optimization, 39-tp option, 39UNIXc
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