05.04.2015 Views

BSP/CGM Algorithms - USP

BSP/CGM Algorithms - USP

BSP/CGM Algorithms - USP

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

<strong>CGM</strong>: Sum Algorithm - Complexity<br />

14/24<br />

• Passo 1: cada p i efetua r operações<br />

• Passo 2-3: p 1 efetua uma operação<br />

• Passo 4: p i ’s (diferentes de 1) enviam uma MSG<br />

• Passo 5-8: p 1 recebe p − 1 mensagens e efetua p − 1<br />

operações.<br />

Uma rodada de comunicação.<br />

O(n/p) computação.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!