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Minecraft@Home
2020-07-08: Kaktwoos 2.03 and Badges!

You may have seen many workunits just disappear from existence today.



Worry not! We realised there were far too many workunits scanning duplicate seeds, so we've scaled back the original workunits to the correct seed ranges (no in-progress results were touched, so none of you should have lost any credit).

We have located some promising seed candidates which were missed from processing and can be used as an input to this job, so they are currently set as the highest priority.

Also, we now have badges! If you view the forums, any comments in threads, or on the leaderboards; you will see the new badges.
We're open to suggestions for future badges, so please leave us some comments on this thread.

2020-07-06: Issue with latest app version: kaktwoos 202

Our sincere apologies to all users, it seems our last update to kaktwoos (version 202) failed.
We're working to restore normal service shortly.

2020-07-03: Profile creation and OpenCL vendor pinning

In the last news post, I advised everyone to create a profile in order to be eligible for 'user of the day' selection.
Unfortunately, there was an issue with the ReCaptcha implementation which prevented this. This issue is now resolved.

Now, you are able to create a profile here.

Also, good news for hosts with OpenCL capable hardware from more than one vendor (e.g. an Intel iGPU and an Nvidia GPU)
The latest update to the kaktwoos app should ensure the tasks run on the correct device.
If you are a user with a multi-vendor host, please keep an eye on your results and let us know if you're having any issues.

As always, please get involved with the conversation in the message boards, and join the Discord!

2020-07-01: MultiGPU, checkpointing, and another record breaking cactus (22 blocks tall)

Finally, support for multiple GPUs and checkpointing has landed.

? If you have multiple GPUs, the research apps will now make use of all available GPUs.
? We now support Intel GPUs.
? If work is suspended, or your machine is powered off, checkpoints will now ensure work does not start from the beginning.
? You will also notice work estimates are far more accurate.
? You do not need to take any actions to enable these features.
? We are also taking steps to increase the priority of additional results added to workunits after computation errors. This in order to speed up validation of incomplete workunits.
Thank you to Hypprs, nicoboss, DutChen18, BalintCsala, and anyone else who was involved in testing and updating the app.

For the third time in 1 week, Minecraft@Home has broken the tallest cactus height record in normal terrain generation.
I present, a 22 block tall cactus:



1.14.4 world seed: 11343195073417814, co-ordinates: 14955936 64 -3750655.

Congratulations to volunteer SirNapkin1334, your host was responsible for locating this one!

While I have your attention, user profiles are now enabled, please ensure you create a user profile.
This will ensure you can be selected for 'user of the day' which is displayed on the homepage.

Please post any issues on our message boards. Alternatively, for real-time discussion, join our Discord.

2020-06-27: Record breaking cactus #2

For the second time this week, we have broken a Minecraft cactus height record!
Host belonging to volunteer 'vcokltfre' located a 21 block tall cactus which was later processed into a valid world seed.

1.14.4 world seed: 7007665385562311, co-ordinates: -20626031 64 17078576.

Congratulations to all for taking part. Here's to 22 and beyond!

2020-06-25: BOINC Project

Many new members have joined from SalC1's announcement and the listing of our project on the BOINC site. We welcome and hope to see all members stick around to see the community's contributions, development, and achievements.

Minecraft@Home is a research project to locate seeds, features, the unknown, and the unseen in the block game, Minecraft.

Minecraft is currently the best-selling video game of all time. Although we have no affiliation with Microsoft, Mojang, or the development of Minecraft itself; this project was born out of necessity. Many members of the community have the desire to push the game, which keeps on giving, to its limits.

The listing of Minecraft@Home allows users to join the project more efficiently. Volunteer compute resources are essential to the success of our research, as some elements require high volumes of computing power in order to retrieve results.

As many may have seen in the latest batch of workunits, we have had a series of errors and issues. We believe these to be mostly ironed out.
BOINC is a learning experience for us all. Grid computing technology is very new to us, so there has, of course, been some teething issues.
We ask the community to bear with us as we perfect our development workflows and move to release more projects and exciting news in the coming weeks.

If you missed our previous announcement regarding the record-breaking cactus Minecraft@Home discovered, visit our Twitter: https://twitter.com/minecraftathome

If you are a BOINC expert, a developer, or otherwise enthusiastic about Minecraft and our project; please join our Discord! https://discord.gg/xVFh9bp

2020-06-21: We are live

The beta period has ended! We are happy with the progress so far, thanks to all who contributed during this phase of the project.

We have now pushed over 1.2 million work units for processing as part of the cactus finding project.
This is following the success of locating world seeds for cactuses up to 21 blocks tall, 2 blocks higher than the existing record.

You may notice a new application, panorama; this is attempting to locate the world seed which was used for the panorama screenshot used in the Minecraft main menu.

There are plenty more applications and work units to come. Thank you all once again for taking part in this adventure.

2020-06-15: Beta testing now live

The Minecraft@Home server is now open for beta-testing.

Kaktwoos is the first application in test with several thousand work units available for processing.
Currently, this application only supports Windows 64-bit clients with an Nvidia GPU, this will be expanded to cover the majority of other platforms soon.

Kaktwoos uses chunk seed generation to find cactus stacks of 20 blocks or higher by locating neighbouring chunk seeds which overlap with the input chunk seed.
Cactus stacks generate when two overlapping chunk seeds generate a cactus on the same x, y coordinate.
The input seeds for Kaktwoos were generated by scanning all 281.7 trillion possible chunk seeds for cactuses of 10 blocks or higher. This yielded 42,497 seeds which were algorithmically reduced to a smaller sample (used as the input for Kaktwoos) by scoring each for the likeliness to collide with another cactus.

During beta testing, any issued credits will be cleared as the beta period ends, this is to ensure fairness once we are out of beta-testing.
Any work unit time estimates are inaccurate as we have not specified the number of floating-point operations required for work unit runtime during this stage of testing.

Computation errors during this stage are expected and should be ignored. We kindly ask you to leave your clients running for as long as possible whenever idle to allow us to take full advantage of this beta test.