kruxmeier

REM open cmd.exe as admin to run this

REM Creates a patched vmwp.exe replacing these bytes:
REM  0F B6 43 64 41 89 47 64 0F B6 43 65 41 89 47 68 0F B6 43 66 41 89 47 6C 0F B6 43 67 41 89 47 70
REM  41 C7 47 64 01 00 00 00 41 C7 47 68 01 00 00 00 41 C7 47 6C 01 00 00 00 41 C7 47 70 01 00 00 00
REM Enables PMU, LBR, PEBS, IPT

cd %TEMP%
copy %windir%\system32\vmwp.exe .

paulgambill

/**
 * Retrieves all the rows in the active spreadsheet that contain data and logs the
 * values for each row.
 * For more information on using the Spreadsheet API, see
 * https://developers.google.com/apps-script/service_spreadsheet
 */
function readRows() {
  var sheet = SpreadsheetApp.getActiveSheet();
  var rows = sheet.getDataRange();
  var numRows = rows.getNumRows();

visenger

#!/bin/sh

# one way (older scala version will be installed)
# sudo apt-get install scala

#2nd way
sudo apt-get remove scala-library scala
wget http://www.scala-lang.org/files/archive/scala-2.11.4.deb
sudo dpkg -i scala-2.11.4.deb
sudo apt-get update

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD