asteroza + performance   406

EduSense: Like a FitBit for Your Teaching Skills | Carnegie Mellon School of Computer Science
Not unlike that chinese system that was watching to students to see if they are slacking off and punish them...
realtime  education  performance  monitoring  computer  vision  teacher  lecturer  evaluation  EduSense 
5 weeks ago by asteroza
How Does Project Pacific Deliver 8% Better Performance Than Bare Metal? - VMware VROOM! Blog - VMware Blogs
Interesting, so ESXi scheduler must be fully NUMA aware for VM work, while linux doesn't need to be, which is where most of the gain came from.
VMware  ESXi  kubernetes  container  performance  tuning  NUMA  domain  pinning 
5 weeks ago by asteroza
windows - NTFS performance and large volumes of files and directories - Stack Overflow
so fragmented folder indexes and excessive name similarity causing short name collisions will drag you down
NTFS  file  system  performance  tuning  folder  index  8.3  short  name  sysadmin  tips  tricks 
7 weeks ago by asteroza
Contig - Windows Sysinternals | Microsoft Docs
So this may fix/improve the performance of folders which have heavily fragmented file indexes. Do by naming the path to the folder itself with contig -a
windows  NTFS  performance  tuning  defrag  file  index  sysadmin  tips  tricks  tools  utilities  filesystem  fragmentation 
7 weeks ago by asteroza
SentryOne Plan Explorer - A Free SQL Server Query Tuning Tool
SInce the native MSSQL query plan explorer tools are 32bit, they can choke of fancier stuff. This is 64bit so you can do really huge query exploration, and it seems to have good analysis tools as well.
MSSQL  sql  server  query  plan  explorer  analysis  performance  tuning  DBA  tools  utilities  software  sysadmin  tips  tricks 
7 weeks ago by asteroza
dgraph-io/ristretto: A high performance memory-bound Go cache
Apparently GO concurrency cache is a tire fire, and these guys built this to fix that
go  concurrency  cache  high  performance  webdev 
11 weeks ago by asteroza
larkery/zsh-histdb: A slightly better history for zsh
subbing in a sqlite3 db for the history file so starting the shell doesn't take forever
zsh  shell  fork  history  database  performance  sqlite 
11 weeks ago by asteroza
VMware High Performance Plug-In
VMware ESXi HPP plugin as an alternative for the inbox native NVMe driver for fast single path access to local NVMe storage
VMware  ESXi  NVMe  driver  high  performance  sysadmin  tips  tricks 
august 2019 by asteroza
Flashtec NVRAM Drives | Microsemi
The formerly PMC Sierra NVRAM NVME drive
NVRAM  NVMe  SSD  PCIe  card  storage  high  performance 
july 2019 by asteroza
Firefox is eating your SSD - here is how to fix it
Firefox session recovery is doing beast writes, killing your SSD. Also, you can move the main browser cache directory elsewhere too.
firefox  SSD  damage  high  write  session  recovery  recovery.js  performance  sysadmin  tips  tricks  hardware 
june 2019 by asteroza
Tencent/rapidjson: A fast JSON parser/generator for C with both SAX/DOM style API
High performance JSON parser, only needs SSE2 to get good performance (doesn't require using AVX2)
SSE  SSE2  SSE4  high  performance  JSON  parser  opensource  software  C  SIMD  vector  processing 
may 2019 by asteroza
Google AI Blog: MorphNet: Towards Faster and Smaller Neural Networks
Trimming DNN's for FLOPS performance, aiming for constrained computation environments
DNN  neural  network  trimming  compact  performance  deep  machine  learning  google  TensorFlow  Keras 
april 2019 by asteroza
Products | Conduant Corporation | Mark5C VLBI Data System
Mark6 modules used on the VLBI data for the first imaged black hole. Very high bandwidth data recording system.
blackhole  image  VLBI  data  recorder  HDD  disk  pack  astronomy  high  performance  storage 
april 2019 by asteroza
Making new high performance rad hard computer designs. One is now being used for Lockheed LM50 SmartSat bus chassis core. Apparently powerful enough to run both SDR and a hypervisor for VM's and containers.
SHREC  space  high  performance  computer  computing  radiation  resistant 
march 2019 by asteroza
Multi Actuator Technology: A New Performance Breakthrough | Seagate Blog
MACH.2 HDD's uses single pivot dual actuator setups so only one head per platter, but half the heads are independent from the other half. As opposed to those old Conner Chinook drives with twin actuators and dual heads. Dual heads would get more reads, but apparently the heads weren't stiff enough, causing vibration issues and early death.
Seagate  dual  actuator  HDD  hard  disk  storage  performance  hardware  electronics  devices 
march 2019 by asteroza
SOLIDteknics USA
Makers of fancy pants wrought iron skillets (behave like a higher performance cast iron with less weight), and now some sort of wrought monobloc ferritie non-nickel stainless steel pans with very high heat conductivity. Hrm, I wonder if the stainless they are using has any relation to the new specialist stainless available now, such as the stainless being used for SpaceX's starship...
cooking  pan  skillet  stainless  steel  wrought  iron  high  performance  conductivity  materials  science  research  technology  monobloc  non-pressed 
january 2019 by asteroza
Intel Optane SSD/IMDT Microbenchmark
That sorta optimal 4:1 Optane:RAM size ratio is interesting
Intel  Optane  IMDT  LMDB  high  performance  SSD  in-memory  database 
january 2019 by asteroza
Storage Alignment and VMFS Block Sizes |VMware Communities
Note NTFS will hate you for using anything other than 4K for anything other than a dedicated partition for a database. Many backup systems expect 4K, and boot partition usually must be 4K, and NTFS native (deflate) compression (up to 64GB but really 40GB sized files) only works on 4K.
VMware  ESXi  VMFS  VMDK  SAN  windows  NTFS  filesystem  block  alignment  size  matching  performance  storage  sysadmin  tips  tricks 
october 2018 by asteroza
djbsort: Intro
New constant time (relative to array size) sort algorithm using AVX2 for int32
algorithm  sort  sorting  performance  AVX2  opensource  programming  development 
july 2018 by asteroza
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