Speeding up GPU copies by permuting iteration spaces, or, optimising the identity function
1 comments · compilers
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#15Peak rank
3Days on list
31Score · 7d
Oct 31, 2026First seen
Rank · 7 days
On Lobsters
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Story details from Lobsters ↗ · linked article on futhark-lang.org.
Trending history
Speeding up GPU copies by permuting iteration spaces, or, optimising the identity function was first seen on Lobsters · Hottest on Oct 31, 2026. Since then it has appeared in 42 checks on 3 different days. Its best position was #15 of 25, reached on Nov 2, 03:51 UTC. It dropped off the list after Nov 2, 12:51 UTC.
Rank history
Position on Lobsters · Hottest at every check (lower is better).
Last 14 days
Best rank per day (UTC).
18
17
15
Oct 26today
Metric history
Platform metric as reported by Lobsters.
From the discussion
A few top-level comments from Lobsters, shortened. Read the full thread on Lobsters.
The traditional term for what this article calls an “LMAD” is a “[dope vector](https://dl.acm.org/action/showFmPdf?doi=10.5555%2F1064057)”. When I was looking at the CACM version of that article I found [its neighbour on the previous page](https://dl.acm.org/doi/pdf/10.1145/366062.366087) also uses the term “dope…
This reminds me that I wrote an old article, [Multi-dimensional array views for systems programmers](https://gist.github.com/pervognsen/0e1be3b683d62b16fd81381c909bf67e), which some people found helpful at the time, e.g. [Multi-dimensional strided array views in…
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Questions
Is Speeding up GPU copies by permuting iteration spaces, or, optimising the identity function trending on Lobsters right now?
Not at the moment. It was last on the list on Nov 2, 12:51 UTC, after 3 days of trending.
What is the highest rank Speeding up GPU copies by permuting iteration spaces, or, optimising the identity function reached?
#15 on Lobsters · Hottest, on Nov 2, 03:51 UTC. Trendoday checks this list every 30 minutes.
How long has Speeding up GPU copies by permuting iteration spaces, or, optimising the identity function been trending?
It was first seen on Oct 31, 2026 and has been on the list on 3 days (42 checks) since.