Tags » Shared Memory

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

C++

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:

Blocks

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

AGG20161217

To read  88 more words

物の哀れ

Memories. 

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

Oracle

20160412

동시성 프로그램의 이해
– 행렬곱을 메모리 접근을 고려하지 않고 만들면 메모리 접근이 과다하게 발생한다. 이를 해결하기 위해서는 blocking을 사용. Blocking을 사용하면 데이터 접근의 locality를 높일 수 있음. 101 more words

1) Memo