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19%
Bringing old hardware back into the game
29.09.2020
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2020
»
Issue 59: Custo...
»
and doubles the cache size (from 3 to
6
MB
), in exchange for a small drop in baseline clock speed – 2.3 to
2.2
GHz (peak drops from 3.2 to 3.1GHz). Major Surgery Legend has it that no one has ever opened
19%
Build a honeypot with real-world alerts
01.08.2019
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2019
»
Issue 52: Stop...
»
NEW -m tcp --dport
22
-j ACCEPT 10 -A INPUT -p udp --dport 5353 -j DROP 11 -A INPUT -s
-p tcp -m state --state NEW -m tcp --dport 443 -j ACCEPT
12
-A INPUT -m limit --limit 30/min -j
19%
NVDIMM and the Linux kernel
11.10.2016
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2016
»
Issue 35: Persi...
»
modules that fit the sockets for DDR4 SDRAM DIMMs. However, motherboards need a BIOS that supports the modules. JEDEC envisages two approaches: NVDIMM-
N
backs up the content of its DRAM in case of a power
19%
Packaging Apps To Run on Any Linux Device
09.10.2017
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2017
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Issue 41: Kuber...
»
snaps, you need to install the snapcraft package: $ apt install snapcraft After a little more than 8
MB
of files are installed, you can start creating a snap with an init command (Figure
6
), which pulls
19%
HPC Software Road Gets a Bit Smoother
10.09.2013
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23,289.81 24,823.29
6
% SP 19,751.24
12
,061.77 39.00% a BT, block tri-diagonal; CG, conjugate gradient; EP, embarrassingly parallel; FT, 3D fast Fourier
19%
Finding Memory Bottlenecks with Stream
25.09.2013
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) 8 (4) 7.2 0.9 Nehalem-EP (2009) 8 (4) 32 4 Westmere-EP (2010)
12
(
6
) 42 3.5 Westmere-EP (2010) 8 (4) 42
19%
Graphite: Collect and Visualize Numeric Data
30.07.2014
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=> SOCK_STREAM) or die "Couldn't connect to $remote_host:$remote_port: $@ \
n
"; while() { my @lavg = Sys::CpuLoad::load(); my $ts=time(); print $socket "system.loadavg_1min $lavg[0] $ts\
n
"; print
19%
Tuning I/O Patterns in Fortran 90
04.12.2013
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3 type rec 4 integer :: x, y, z 5 real :: value
6
end type rec 7 8 integer :: counter 9 integer :: counter_limit 10 integer :: ierr 11
12
type (rec) :: my
19%
SmartOS: Cool Cloud Platform Rises from the Ashes of Solaris
10.06.2014
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"ram": 2048, 07 "resolvers": ["192.168.111.254"], 08 "disks": [ 09 { 10 "image_uuid": "1fc068b0-13b0-11e2-9f4e-2f3f
6
a96d9bc", 11 "boot": true,
12
"model": "virtio" 13 } 14
19%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
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of the overflow mechanism. Up to six (
6
) hardware counter events are read when a sample is taken. hwctime High user CPU time Similar to hwc experiment, except that callstack sampling is used
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