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Superluminal

@superluminal@mastodon.gamedev.place
mastodon 4.7.3
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Superluminal (https://www.superluminal.eu) is a user-friendly CPU sampling profiler for C/C++, Rust & .NET on Windows, Xbox One, Xbox Series X, PlayStation 4, and PlayStation 5.

634 Followers
1 Following
2 Posts
Joined November 28, 2022
Website:
https://www.superluminal.eu
Twitter:
@SuperluminalSft
Open post
Superluminal @superluminal@mastodon.gamedev.place
· 10mo ago

Ever wondered how to store millions of call stacks efficiently? So did we. Many times.

Check out this new article by Jelle about designing a data structure to efficiently compress and store large amounts of call stack data!

https://superluminal.eu/compressing-callstacks/

Compressing callstacks: a bitpacked DAG powered by a keyless hashmap - Superluminal
Superluminal

Compressing callstacks: a bitpacked DAG powered by a keyless hashmap - Superluminal

One of the challenges we face in Superluminal is dealing with large data.  When we capture performance data, the data is dominated by callstack information. On Windows, we sample at 8Khz, and capture a callstack for every active CPU. For a 16-core machine with an average stack depth of 40 frames, the raw data rate […]

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Open post
Superluminal @superluminal@mastodon.gamedev.place
· 10mo ago
Replying to
@nothings@mastodon.gamedev.place Cool! I like how the caching layer sounds so similar to what we're doing :).
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