LA-UR-03-Approved for public re/ease ;distribution is unlimited.

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MCNP5 IMPROVEMENTS FOR WINDOWS PC S

J . Timothy Goorley , Forrest B . Brown , Lawrence J . Cox

American Nuclear Society Topical Meetingin Mathematics and Computations ,Gatlinburg , TN , Ap ri l 6-11 , 2003

o Los AlamosNAT I ONAL LA B ORATO R Y

Los Alamos National Laboratory, an affirmative action/equal opportunity employer , Is operated by the Unl verslty of California for the U. S .Depa rt ment of Energy under contra ct W-7405- ENG -36 . By a cceptance of this article, the publisher recogn ize s that the U . S . Government

retains a n o n excluslve, royalty-free license to publish or repro d uce the published form of this contribution, or to allow others to do so, for U . S .Government purposes . Los Alamos National Laboratory requests that the publisher Identify this art icl e a s wor k performed under the

auspl ces of the U . S . Department of En ergy. Los Alamos Nat ional Laborato ry strongly supports academic freedom and a researcher's right topubli sh ; a s an institution, however, the Laborato ry does not endorse the viewpoint of a publication or guarant e e Its technical c orrectness .

Form 636 ( 8 /00)

MCNPST'" Improvements for Windows PC sT im Goorley, Fo rrest Br o wn , Lawren ce J . Cox

W31 wr /~ ~ a~s/'1/

MCNP Deve lopme nt Tea m , X -5 , Los Alam os National Laborat ory

Abstrac tW ith the release of M CNP 5, muc h more emphasis h as been placed on improving its

functionality on PCs run n i n g M icrosoft W indow s@ (9 X/NT /2000/XP ) . Enhanced

insta ll ation and build systems, sup port for more Fortran compilers, inte gration w ith X I I

graphics build fles, and M PI and PV M parallel capab i li t ies h ave bee n implemented i nM CN P 5 for W indo w s PCs, allowing users to u tilize dual CP U PCs, clusters of

homogeneou s W i ndows PCs, or heterogeneous clusters . M CNP 5 ca n be instal l ed with an

InstallShieldO setup programs, similar to other W i n dows programs, for users w ho on l y need

to install executables and data libraries. For those users who need to comp i le the source, th e

GNU make utility can used in conjunctio n with three supported Fortran compilers .

Alternatively, Compaq Deve loper StudioO can be used to compi le M C N P 5 . The X -W indows plotting capabilities have been improved, and all the app ropria t e ope n so u rce

X 1 1 R6 files for compiling M CN P 5 are bundled with the M CN P 5 source code .

Enhanced Installation and Build Systems

Installin g with Install Shield OO p-•- --- _- __ ""_ _Typ,ml 1m1n115hrMProcess --' --- - _ _ ' .- : -

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REFERENCES1 } B ~sasv~n , f~ Jb . M (7IP.A Cv~l Fbr r Cab NMct Tn~poN CuJ~ - V~q~('.l a AYoo N~YO~ I l Mw~ ¢p ael LA-I~TAl1

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40

MCNP5T"^ Improvements for Windows PCs

By Tim Goorley, Forrest Brown , Lawrence J . Co x

MCNP Development Team, X-5X-Division (Applied Physics )

Los Alamos National Laboratory

0" Diap no atic s A p p liut ion s Group ( X-S ) Los Alamos

MCNP Improvements for Windows PCs 40

With the release of MCNP 5 , much more emphasis has beenplaced on improving its functionality on PCs runningMicrosoft Windows 0 (9X/NT/2000 /XP) .

• Installation - InstallShiel dBuild system- CVF Developer Studio- Gmake

• X-Windows- More capabilitie s

- Library and include files with MCNP5 Sourc e

• Parallel Capabilities- Parallel Virtual Machine (PVM )- Message Passage Interface (MPI )

• Incorporated into Start Menu• MCNP Visual Editor

~Dlaqnoat ic s Appllc atlo nsGroup (%-5) 2 L os Alamos

Installing MCNP executables JF

There are two methods for installing MCNP5 on a Windows PC :

• Install5hield@ Installer - installs everything needed t ostart running the sequential MCNP5 executable .- It also modifies the environmental variables .- No additional software needed to install .- Provides parallel executables .- Will NOT recompile source .

• Gmake install - After the user copies the director ystructure to local drive, "gmake instnll" will compile th esource, run the test problems and summarize unexpecteddiff erences .- Will NOT modify environmental variables .- Requires previously installed Fortan Compiler and Unix shell (Cygwin) .- Will create mpi parallel executables, but not PVM .- Will recompile source .

~j Diapnosl k s Appli utb n s 6 rv up (X3). .'" T • L06AI d 17105

Building MCNP executables - make 0

This method requires that you previously install :

• Cygwin - A unix shell for Windows- http://www.cygwin .com- http://www.redhat .com/apps/downlond /- Should also install gmake, perl, and gcc packages .

- Optional X11 client package - XFree8 6

• A Fortran 90 Compiler- Compaq Visual Fortran 9 0- Lahey Fortran 95 Professional

- Absoft Pro Fortran 9 5

A C Compiler- GNU gcc- Microsoft C/C++- Fujitsu C/C++ [only with Lahey]

(v 6 .6B)(v 5 .70c)(v 8 .0)

(v 2 .95 . 2 -5 [Cygwin special])(v 12 .00 . 8168 )(v 3 . 0)

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MCNP5 Windows Parallel Capabilities 0

With the release of MCNP5 , the parallel capabilities of MCNPhave been extended to Windows PCs . MCNP5 can runacross a cluster of several Windows NT/2000 PCs using theMessage Passing Interface (MPI) or Parallel VirtualMachine (PVM) communications protocols .

• PVM- will allow a cluster with Unix, Linux, etc . computers .- places some restrictions on mixing Windows 9x with NT/2000 machines .- MCNP restrictions on mixing Big Endian with Little Endian Architectur e- Mcnp5pvm inp=test tasks #

• MPICH .NT- will NOT allow a cluster with Unix , Linux , etc . computers .- places some restrictions on mixing Windows 9x with NT/2000 machines .- Mpirun -hosts x hostl y hosts 2 z . . . mcnp5mpi inp=test

Note clusters can span your desktop (Dual/Qund) orcontinents .

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Running Parallel MCNP5 - Output 40

Both PVM and MPI MCNP jobs have similar screen output :

dump 1 on file loyf3r .r nps =

ctm =xact is done

0 coll = 00 . 00 nrn = 0

cp0 = 0 . 2 7master starting 2 tasks with 1 threads each 03/19/03 15 : 06 : 03master sending static commons . . .master sending dynamic commons . . .master sending cross section data . . .master completed initialization broadcasts .master set rendezvous nps = 200 03/19/03 15 :06 : 20master set rendezvous nps = 1000 03/19/03 15 : 06 : 34master set rendezvous nps = 2000 03/19/03 15 : 07 : 15master set rendezvous nps = 3000 03/19/03 15 : 07 : 57master set rendezvous nps = 4000 03/19/03 15 : 08 :46

~i DNynostics Applications Group (X-5). . .--• ~ Los Alamos

Running Parallel MCNP5 40

Small Laptop Cluster Timing StudyDELL Inspiron 8200

Pentium IV O, 1 .6 GHz, 1024 Mbytes RAM, 512 kbytes L2 CacheDELL Lattitude C800

Pentium IIIO, 1 .0 GHz, 512 Mbytes RAM, 256 kbytes L2 Cach e

Wa ll C l oc k PVM PVM MPIRuntimes Sequential

tasks 2 tasks 2 3( m in :sec) processe s

Task Pentium PentiumP4 :Master P4 :Master P4 :Master

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NP510 ,000 9 :41 30 :25 11 :41 10 :05 16 : 3 3

NP5100 ,000 90 : 55 298 : 54 143 :32 83 :27 153 : 2 9

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Integration with Start Menu4P

•

From the start menu there are now links to :

• Run the testproblems

• Start a commandprompt

• Open the MCNP5Manua l- (If Acrobat Reader is

installed)

• Run the Visual Editor

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Visual Editor 0

MCNP5 Visual Editor now distributed with MCN P[► iw+ frs O~ e r !.~ 11 ..1 M 1!+ tlA

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