Tags » Shared Memory

Muscle Memory

Today we hiked westward along Hadrian’s Wall from Cawfields Milecastle to Birdoswald. Retracing the steps of the Roman soldiers who patrolled this stretch of land makes one think about the power of repetitive action and its roll in remembrance. 428 more words

Inter-process Communication (IPC): messaging system to publish/consume one million messages per second using just one cheap machine.

Nowadays people is talking about how to use technologies like kafka to publish two million messages per second like in this post, or cassandra to execute over a million writes per second like in this other… 1,227 more words


Canny edge detector

On this post I’m going to implement the canny edge detector algorithm made by John Canny.

I will provide multiple implementations on CUDA:


Our sprawling cities

x                                Our sprawling cities
No longer have space for trees
Or even the dead
To feed them—our memories
x                               Become crumbling museums


To read  88 more words



Rows of white puffy cotton are beginning to peak out from the prickly clutches of the bud. I can see the anxiety on my faces as our hands get close to the buds. 112 more words

Raspberry Pi 2 ARM-GPU IPC

Raspberry Pi 2 is powered by a Broadcom BCM2836 chipset. Along with the typical peripheral IP blocks like UART, SD, etc, BCM2836 ASIC integrates four ARM Cortex A7 cores and a graphics processing engine.  1,630 more words

System Programming

How much memory is truly used by my Oracle instance?

There are many posts about the amount of memory that is taken by the Oracle database executables and the database SGA and PGA. The reason for adding yet another one on this topic is a question I recently gotten, and the complexities which surrounds memory usage on modern systems. 4,660 more words