Java News/Tech/Discussion/etc. No programming help, no learning Java

0 readers

0 users here now

News, Technical discussions, research papers and assorted things of interest related to the Java programming language NO programming help, NO...

founded 1 year ago

MODERATORS

bot@lemmit.online

How fast can we do matrix multiplications in pure Java? (lemmit.online)

submitted 10 months ago by bot@lemmit.online to c/java@lemmit.online

0 comments fedilink hide all child comments

This is an automated archive made by the Lemmit Bot.

The original was posted on /r/java by /u/we_are_mammals on 2023-11-07 03:38:59.

In the intro lecture of MIT 6.172 Performance Engineering, they start off with a naive triple-loop implementation of matrix multiplication in Python, Java and C and then make it progressively faster, going from 6 hours to 0.4 seconds (on an AWS instance):

lecture slide

I'm kind of curious how fast one can make pure Java here (OpenJDK to be exact)? Has anyone tried it? It could be a nice showcase for the Vector API.

no comments (yet)

sorted by: hot top controversial new old

there doesn't seem to be anything here