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32%
New features in PHP 7.3
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © MIR, Fotolia.com
, PHP programmers should now use the mb_ereg_ functions. When accessing ODBC and DB2 databases via the PDO_ODBC driver, the pdo_odbc.db2_instance_name setting is history. Expired Support for PHP 5.6
32%
Finding and recording memory errors
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © lightwise, 123RF.com
hour. In a previous article [6], I wrote a general introduction to ECC memory, specifically about Linux and memory errors, and how to collect correctable and uncorrectable errors. In typical systems
32%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25,57 26,58 27,59 28,60 29,61 30,62 31,63 The lstopo tool
32%
Parallel Julia – Jumping Right In
29.06.2012
Home »  HPC  »  Articles  » 
Item(bottom_func,(),false,(thunk(AST(lambda({},{{#1, #2}, {{#1, Any, 2}, {#2, Any, 2}}, {}}, begin #1 = top(Array)(top(Any),2) top(arrayset)(#1,1,"n0") top(arrayset)(#1,2,"n2") #2 = #1 return addprocs_ssh(#2) end ))),1),(),(),intset(1
32%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
! Y equals 38 12 13 ! Dynamic memory blocks 14 N = 1000 15 ALLOCATE( PTR2, PTRA(N) ) 16 ! Do some computing 17 DEALLOCATE(PTR2, PTRA) 18 19 END PROGRAM PTR_TEST1 Listing 7
32%
OpenACC – Data Management
07.02.2019
Home »  HPC  »  Articles  » 
 data copy(a) !$acc parallel loop   do i=1,n     a(i) = 0.0   enddo !$acc data end   #pragma acc data copy(a) {   #pragma acc parallel loop   {     for (int i=0; i < n; i++)     {       a[i] = 0
32%
Network traffic utilities bandwhich and iftop
02.06.2020
Home »  Archive  »  2020  »  Issue 57: Artif...  » 
Lead Image © Ildar Galeev, 123RF.com
, uncompressed, it sits at only 6MB, which is still a far cry from 328MB that the Cargo route would have introduced to my laptop. To see whether the binary was compatible with my system, I ran as root
32%
Data Compression as a CPU Benchmark
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Lucy Baldwin, 123RF.com
Compiler: Apple LLVM 12.0.5 (clang-1205.0.22.9) GCC 4.2.1 CLANG 12.0 Darwin : 20.4.0 : Darwin Kernel Version 20.4.0: PageSize:16KB Apple M1 8C8T RAM size: 16384 MB, # CPU hardware threads: 8 RAM usage
32%
Processor and Memory Affinity Tools
14.09.2021
Home »  HPC  »  Articles  » 
 $(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq 0,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25
32%
Benchmarking a new architecture
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
  Quad-core Xuantie C910   64KB+64KB data/instruction caches per core   1MB shared L2 cache GPU 50GFLOPS BXM-4-64 NPU 4TOPS INT8 at 1GHz

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