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32%
Saving Storage Space with Reduced Precision
19.06.2023
Home »  HPC  »  Articles  » 
="unformatted")     write(2) b     close(2)       end program The compiled code outputs the value of element (5,5)  for both the double-precision and real arrays: ./fortran_test1 a(5,5) = 9.9179648655938202 b(5,5) = 9
32%
OpenACC – Porting Code
07.03.2019
Home »  HPC  »  Articles  » 
; you should collapse two or more loops. Table 4: Collapsing Loops Fortran C !$acc parallel loop collapse(2)    do i=1,n       ...       do j=1,m          ...       enddo
32%
Creating Virtual SSDs
21.01.2020
Home »  HPC  »  Articles  » 
    7        1      56008 loop1 06    7        2      56184 loop2 07    7        3      91264 loop3 08  259        0  244198584 nvme0n1 09    8        0  488386584 sda 10    8        1       1024 sda1 11    8        2
32%
Multiprocessing in Python with Fortran and OpenMP
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image Photo by Zachary Young on Unsplash
wall clock time = ', wtime ! ! Terminate. ! write ( *, '(a)' ) ' ' write ( *, '(a)' ) 'HELLO_OPENMP' write ( *, '(a)' ) ' Normal end of execution.' !stop end For testing, I used f2py to build
32%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
/shm 10.1.0.250:/var/chroots/sl6.2 53G 29G 22G 57% /vnfs 10.1.0.250:/home 53G 29G 22G 57% /home 10.1.0.250:/opt 53G 29G 22G 57% /opt 10.1.0.250:/usr ... Warewulf Cluster Manager – Part 2
32%
A script for strict packet filter updates
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © french 03, photocase.com
} ${TABLENAME} -nL ${CHAINNAME} 2> /dev/null 1> /dev/null 048 RET=$? 049 return ${RET} 050 fi 051 } 052 053 function delete_rule 054 { 055 # Find correct rule parameters 056 RULE=`echo ${@} | awk
32%
Modern Fortran – Part 1
20.10.2016
Home »  HPC  »  Articles  » 
), has to be specified. Here is a simple example of the declaration:       INTEGER, TARGET :: a(3), b(6), c(9)       INTEGER, DIMENSION(:), POINTER :: pt2 Another quick example of multidimension arrays
32%
Tuning ZFS for Speed on Linux
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Wong Yu Liang, 123RF.com
on a local NVMe device: $ cat /proc/partitions|grep nvme 259 0 244198584 nvme0n1 259 3 97654784 nvme0n1p1 259 4 96679936 nvme0n1p2 I will be using partition 1 for the L2ARC read
32%
Tuning ZFS for Speed on Linux
17.03.2020
Home »  HPC  »  Articles  » 
: $ cat /proc/partitions|grep nvme  259        0  244198584 nvme0n1  259        3   97654784 nvme0n1p1  259        4   96679936 nvme0n1p2 I will be using partition 1 for the L2ARC read cache, so to enable
31%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
$st2->execute($dbh->{pg_pid}); 16 if( !$st2->fetchrow_arrayref->[0] ) { 17 warn "couldn't stop backend PID=$dbh->{pg_pid}\n"; 18 } 19 exit 1; 20 } 21 22 POSIX::sigaction(SIGTERM, POSIX

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