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Donal Fellows
Followers
7
Account age
1 yrs
🎁 Free analysisfor Donal Fellows

📊 Post engagement

2
Avg engagement / post
28.6%
Engagement vs followers
Mar 2025
On Mastodon since

🔥 Top post: I've just finished making as many bits and pieces of TclOO be im · 3 likes + reposts

📊 Activity & format

Posting cadence
0.18 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 12 text · 0 image · 0 video.
Follower / following
1.4×
Follows 5 back. A more reciprocal / networked account.
🔥 Top post I've just finished making as many bits and pieces of TclOO be implemented in C as I can, both for 9.0 and 9.1. (No, I'm not backporting this to 8.6.) Total acceleration of the interpreter create/delete cycle: 33%. That'll do for a couple of weeks' work. But let me know if I've c… ★ 3
Definitely a prerequisite for an architect of Brexit. Normally, I don't share LinkedIn junk... but this time I'll make an exception: https://www.linkedin.com/posts/congratulations-to-our-research-software-share-7459961130879193088-YKAp?utm_source=share&utm_medium=member_desktop&rcm=ACoAABiy5l… ★ 1 #2 is a whole bunch of new functions, for example: set y [expr { $x1 * erf($x2) }] Two new features added to the forthcoming Tcl 9.1 today. #1 is a way to pick items out of a list: set bools [lfilter x $theList {string is boolean -strict $x}] ★ 2 They perform projections in a (very!) high-order smooth differentiable space. For problems which that describes, they work excellently. But when the problem doesn't fit that pattern, they're not so great. (The underlying math of hypersurfa… ★ 2 Just squeezed a little bit more effectiveness out of the compilation of lseq. I've been doing Advent of Code #aoc2025 using #tcl9; the [lseq] command is rather useful for these sorts of things. The trick is knowing when to use brute force, and when to get smarter. Day 3 Part 2 definitely wanted smarter, but Day 4 di… Tcl 9.1 now has [switch -integer] and [interp set]. The time to run: interp delete [interp create] in Tcl 9.1 has been dropped by 25% (as measured) in the past week or so, with no change to the documented public API. Some fun optimizations by finding ways to do less work to achieve the s… [ledit], [lpop], [lseq] and [uplevel] are now bytecode compiled. #tcl Tcl bytecode compilation status: [next] and [nextto] expansion done. Next up: new commands; [lseq], [ledit] and [lpop] in the pipeline

🐘 Community & instance

Home server
cyberplace.social
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
Mar 2025
An established account with real history on the platform.

💡 Facts

🗓️Joined Mastodon in 2025 — 1 year ago.
👁️Averages 2 views per post.
📤Posts about 0.2× per week.

🕵️ Fake follower check

Estimated
71/100
Good Credibility score
92%
Real Real audience
Low Fake-follower risk
Medium Data confidence
  • Est. 92% real, active audience · Low fake-follower risk.
  • Strong engagement (~0.3× of followers engage each post) — an active, real audience.

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

Research Software Architect for Research Software Engineering at the University of Manchester. Tcl programmer, but also many other techs too. Lots of software automation engineering these days. I want real AGI, not fake stuff powered by overtrained LLMs.

Frequently asked questions

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How many followers does Donal Fellows have?
Donal Fellows has 7 followers on Mastodon.

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