Martin Leitner-Ankerl
@sunitram.bsky.social
Software engineer at @dynatrace.bsky.social. C++ developer, #bitcoin enthusiast.
Some C++ stuff I did:
* nanobench https://nanobench.ankerl.com/
* unordered_dense https://github.com/martinus/unordered_dense
* svector https://github.com/martinus/svector
Some C++ stuff I did:
* nanobench https://nanobench.ankerl.com/
* unordered_dense https://github.com/martinus/unordered_dense
* svector https://github.com/martinus/svector
I finally got around to update my C++ hashmap ankerl::unordered_dense. The latest release 4.6.0 has contributions from 7 different people, wohoo! Thanks a lot everybody.
github.com/martinus/uno...
github.com/martinus/uno...
GitHub - martinus/unordered_dense: A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion
A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion - martinus/unordered_dense
github.com
October 8, 2025 at 3:52 PM
I finally got around to update my C++ hashmap ankerl::unordered_dense. The latest release 4.6.0 has contributions from 7 different people, wohoo! Thanks a lot everybody.
github.com/martinus/uno...
github.com/martinus/uno...
I'm not asking for votes, but please vote for my cousin Barbara Herndler here 😄
www.letstech.at/girls-tech-u...
www.letstech.at/girls-tech-u...
Girls! TECH UP-Role Model-Award 2025 – Jetzt voten!
Das Voting zum Girls! TECH UP-Role Model-Award 2025 läuft. Hier könnt ihr abstimmen.
www.letstech.at
October 1, 2025 at 10:41 AM
I'm not asking for votes, but please vote for my cousin Barbara Herndler here 😄
www.letstech.at/girls-tech-u...
www.letstech.at/girls-tech-u...
Reposted by Martin Leitner-Ankerl
For those of you playing on Steam Deck, Baldur’s Gate 3 now also features a native Steam Deck build!
Running natively on the platform, you should now see a better framerate, lower loading times, and smoother gameplay 🙌
Running natively on the platform, you should now see a better framerate, lower loading times, and smoother gameplay 🙌
September 23, 2025 at 3:14 PM
For those of you playing on Steam Deck, Baldur’s Gate 3 now also features a native Steam Deck build!
Running natively on the platform, you should now see a better framerate, lower loading times, and smoother gameplay 🙌
Running natively on the platform, you should now see a better framerate, lower loading times, and smoother gameplay 🙌
Bitcoin is at all time high (at least in $) and nobody cares, transactions are cheap bitcoinfees.net
I'd say that is a very good thing
I'd say that is a very good thing
Bitcoin Fees Right Now, #1 Estimator and Fee Calculator
Free and simple Bitcoin Fee Estimator ❶ Calculator. Pick the optimal transaction fee by the confirmation time. Ꙭ Most accurate prediction tool!
bitcoinfees.net
July 12, 2025 at 8:27 AM
Bitcoin is at all time high (at least in $) and nobody cares, transactions are cheap bitcoinfees.net
I'd say that is a very good thing
I'd say that is a very good thing
I just got Gateron Chocolate Switches for my low profile keyboard. Having tried linear red, brown, NuPhy moss, these are now by far my favorite. The are tactile and and have a very soft sound. Perfectly ok for work environment or when the rest of my family sleeps. www.gateron.com/products/gat...
Gateron KS-33 Low Profile 2.0 Chocolate Switch Set
Tip: The KS-33 low profile switch is apply for the keyboard fit GATERON low profile switch, not for other low profile switch replacement. 35pcs included in each pack • Type: Tacti...
www.gateron.com
May 29, 2025 at 5:18 PM
I just got Gateron Chocolate Switches for my low profile keyboard. Having tried linear red, brown, NuPhy moss, these are now by far my favorite. The are tactile and and have a very soft sound. Perfectly ok for work environment or when the rest of my family sleeps. www.gateron.com/products/gat...
I cleaned my desk
May 25, 2025 at 12:41 PM
I cleaned my desk
I've got a new home made NAS and it works very well. I host all applications with podman on a user, and the user is named podfather
May 13, 2025 at 8:42 AM
I've got a new home made NAS and it works very well. I host all applications with podman on a user, and the user is named podfather
Every C++ developer should enable _GLIBCXX_ASSERTIONS in their debug builds.
May 5, 2025 at 7:00 PM
Every C++ developer should enable _GLIBCXX_ASSERTIONS in their debug builds.
My breakfast today, 3 different kinds of antibiotics 🤦♂️
March 11, 2025 at 5:50 AM
My breakfast today, 3 different kinds of antibiotics 🤦♂️
My very old and slow Raspberry Pi with 2GB of RAM has been running a bitcoin node for 78 days without any issues.
February 7, 2025 at 4:22 PM
My very old and slow Raspberry Pi with 2GB of RAM has been running a bitcoin node for 78 days without any issues.
Yay first time I managed a perfect run
#CellTower 993
➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️
www.andrewt.net/puzzles/cell...
#CellTower 993
➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️
www.andrewt.net/puzzles/cell...
Cell Tower
Find the hidden words in the stack of random letters
www.andrewt.net
January 22, 2025 at 7:01 PM
Yay first time I managed a perfect run
#CellTower 993
➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️
www.andrewt.net/puzzles/cell...
#CellTower 993
➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️➡️
www.andrewt.net/puzzles/cell...
Today's my 18th reddit cake-day
January 14, 2025 at 12:43 PM
Today's my 18th reddit cake-day
TIL I could reduced my boot time by about 15 seconds by setting "Memory Context Restore" in the BIOS from Auto to Enabled. On an AMD system, TUF Gaming
B650-Plus Mainboard. The setting is somewhere under Ai Tweaker > DRAM Timing Control.
B650-Plus Mainboard. The setting is somewhere under Ai Tweaker > DRAM Timing Control.
January 12, 2025 at 6:52 AM
TIL I could reduced my boot time by about 15 seconds by setting "Memory Context Restore" in the BIOS from Auto to Enabled. On an AMD system, TUF Gaming
B650-Plus Mainboard. The setting is somewhere under Ai Tweaker > DRAM Timing Control.
B650-Plus Mainboard. The setting is somewhere under Ai Tweaker > DRAM Timing Control.
#CellTower 977
⬛⬛⬛⬛⬛⬛⬛⬛⬇️⬛⬛⬛⬛⬛⬛
⬛⬛⬛⬛⬛⬛⬛⬛⏹️⏹️⬇️⬛⬇️⬛⬛
➡️➡️⬇️⬛➡️➡️➡️➡️⬆️⬛➡️➡️⏹️⏹️⬛
⬆️⬛➡️➡️⬆️⬛⬛⬛⬛⬛⬛⬛⬛⏹️➡️
www.andrewt.net/puzzles/cell...
⬛⬛⬛⬛⬛⬛⬛⬛⬇️⬛⬛⬛⬛⬛⬛
⬛⬛⬛⬛⬛⬛⬛⬛⏹️⏹️⬇️⬛⬇️⬛⬛
➡️➡️⬇️⬛➡️➡️➡️➡️⬆️⬛➡️➡️⏹️⏹️⬛
⬆️⬛➡️➡️⬆️⬛⬛⬛⬛⬛⬛⬛⬛⏹️➡️
www.andrewt.net/puzzles/cell...
Cell Tower
Find the hidden words in the stack of random letters
www.andrewt.net
January 6, 2025 at 6:27 PM
#CellTower 977
⬛⬛⬛⬛⬛⬛⬛⬛⬇️⬛⬛⬛⬛⬛⬛
⬛⬛⬛⬛⬛⬛⬛⬛⏹️⏹️⬇️⬛⬇️⬛⬛
➡️➡️⬇️⬛➡️➡️➡️➡️⬆️⬛➡️➡️⏹️⏹️⬛
⬆️⬛➡️➡️⬆️⬛⬛⬛⬛⬛⬛⬛⬛⏹️➡️
www.andrewt.net/puzzles/cell...
⬛⬛⬛⬛⬛⬛⬛⬛⬇️⬛⬛⬛⬛⬛⬛
⬛⬛⬛⬛⬛⬛⬛⬛⏹️⏹️⬇️⬛⬇️⬛⬛
➡️➡️⬇️⬛➡️➡️➡️➡️⬆️⬛➡️➡️⏹️⏹️⬛
⬆️⬛➡️➡️⬆️⬛⬛⬛⬛⬛⬛⬛⬛⏹️➡️
www.andrewt.net/puzzles/cell...
My new toy, a thermal imaging camera
December 31, 2024 at 2:48 PM
My new toy, a thermal imaging camera
Reposted by Martin Leitner-Ankerl
Wer auf Bluesky Expertise sucht: Die @statistik.at ist hier - und auch die Wirtschaftsforschungsinstitute @wifo.bsky.social und das @ihs.ac.at:
Österreich hat im 3. Quartal 2024 weiter #Schulden aufgebaut. Ende September betrug die Staatsverschuldung 398,4 Mrd. Euro. Das sind 3,6 Mrd. mehr als im Quartal davor. Gleichzeitig hat sich die Schuldenquote weiter von der Maastricht-Vorgabe entfernt.
➡️ statistik.at/fileadmin/an...
➡️ statistik.at/fileadmin/an...
December 30, 2024 at 8:23 AM
Wer auf Bluesky Expertise sucht: Die @statistik.at ist hier - und auch die Wirtschaftsforschungsinstitute @wifo.bsky.social und das @ihs.ac.at:
needs a logarithmic Y axis
December 16, 2024 at 10:59 AM
needs a logarithmic Y axis
Reposted by Martin Leitner-Ankerl
I've already considered using the surplus electricity from photovoltaic system to run #Bitcoin miners and use their waste heat to heat the pool. It sounds environmentally friendly, however I'm currently hindered by the fact that I don't have a photovoltaic system, no Bitcoin miners, and no pool.
December 10, 2024 at 3:32 PM
I've already considered using the surplus electricity from photovoltaic system to run #Bitcoin miners and use their waste heat to heat the pool. It sounds environmentally friendly, however I'm currently hindered by the fact that I don't have a photovoltaic system, no Bitcoin miners, and no pool.
All Terry Pratchett books for in epub format for $44, that's a really good deal
December 8, 2024 at 7:56 AM
All Terry Pratchett books for in epub format for $44, that's a really good deal
ChatGPT is really nice to create custom coloring images for kids. Here is a software developer working at Dynatrace:
December 7, 2024 at 1:58 PM
ChatGPT is really nice to create custom coloring images for kids. Here is a software developer working at Dynatrace:
I just discovered that MySQL is using my ankerl::unordered_dense::map for a big performance and memory usage improvements, wohoo!
dev.mysql.com/doc/relnotes...
dev.mysql.com/doc/relnotes...
MySQL :: MySQL 8.4 Release Notes :: Changes in MySQL 8.4.3 (2024-10-15, LTS Release)
dev.mysql.com
December 4, 2024 at 10:03 AM
I just discovered that MySQL is using my ankerl::unordered_dense::map for a big performance and memory usage improvements, wohoo!
dev.mysql.com/doc/relnotes...
dev.mysql.com/doc/relnotes...
After almost a year, I've published v4.5.0 of the fast C++ hashmap unordered_dense: github.com/martinus/uno...
Most changes came from the community and not me. Thanks everybody for contributing!
Most changes came from the community and not me. Thanks everybody for contributing!
Release v4.5.0 · martinus/unordered_dense
This release is brought to you by the awesome community, thanks everybody!
Direct download: unordered_dense.h
What's Changed
Fix build with current fmt (master branch) by @phprus in #107
Just adds...
github.com
December 3, 2024 at 6:40 PM
After almost a year, I've published v4.5.0 of the fast C++ hashmap unordered_dense: github.com/martinus/uno...
Most changes came from the community and not me. Thanks everybody for contributing!
Most changes came from the community and not me. Thanks everybody for contributing!
Thanks amazon for notifying me about the staggering price reduction from 234,70 € down to 234,69 €
December 3, 2024 at 2:07 PM
Thanks amazon for notifying me about the staggering price reduction from 234,70 € down to 234,69 €
Great review of the Bitcoin Jade wallet youtube.com/watch?v=OaOg...
December 2, 2024 at 2:28 PM
Great review of the Bitcoin Jade wallet youtube.com/watch?v=OaOg...