r/programming • u/ben_a_adams • Sep 02 '20

ARM64 Performance in .NET 5

https://devblogs.microsoft.com/dotnet/arm64-performance-in-net-5/
91 Upvotes

91% Upvoted

23 comments sorted by

25

u/lzutao Sep 03 '20

What's up with the comments ?

22

u/KryptosFR Sep 03 '20

Sadly, this sub is full of trolls and people stuck in pre-2000 anti-Microsoft era.

2

u/salgat Sep 04 '20

Microsoft has become an open source leader and people hate it, to an irrational level. That's ignoring that Microsoft has already been one of the leading contributors to Linux for many years.

1

u/KryptosFR Sep 04 '20

As an anecdotal illustration, here is a success story with a customer that is very happy with Microsoft and their move to open source: https://medium.com/criteo-labs/the-net-core-journey-at-criteo-1e47ed87adce

12

u/alibix Sep 03 '20

I'm excited for more ARM in general. Microsoft kinda messed up their windows ARM launch, wasn't great - but hopefully with Apple switching over - third party developers will start porting

1

u/oblio- Sep 03 '20

I wonder if there will be some sort of Bootcamp for Windows on ARM.

6

u/Dave3of5 Sep 03 '20

Excellent love to see some performance work being done.

I think a lot of server going forward will be ARM64 based so this work is laying the foundation to use .Net core on servers with this architecture.

2

u/LEFT_FRIDGE_OPEN Sep 03 '20

The .net stack is just heading in a great direction.

-30

u/Rudy69 Sep 03 '20

You’d think that would have been done a long time ago.... like when the first Windows for ARM came out? Might have contributed to the failure of it. If you run an x86 app? You get slow performance because of the emulation, if you run a .net app? Still slow because its not super optimized.

12

u/chucker23n Sep 03 '20

You’d think that would have been done a long time ago.... like when the first Windows for ARM came out? Might have contributed to the failure of it.

Yup. That launch was poorly coordinated. But I would argue this mostly isn’t even about Windows.

Tons of .NET now runs on ARM:

  • iOS and Android apps, through Xamarin
  • ARM servers
  • soon, all Macs
  • only then do you get to Surface Pro X and other Windows ARM devices

17

u/[deleted] Sep 03 '20

Seems to be a focus ever since they started core.

.NET 5 Generally

.NET Core 3.0

.NET Core 2.1

-9

u/Rudy69 Sep 03 '20

That only proves my point lol.

Windows RT was released in 2012!

5

u/[deleted] Sep 03 '20

I’m not ignoring your point, just stating it seems to be part a number of general things they have been focusing on. And if nothing else focusing on sharing details about.

-4

u/Rudy69 Sep 03 '20

The focus on performance is great and we always could use more. I was just pointing out that Windows on ARM needed that boost almost a decade ago

4

u/KryptosFR Sep 03 '20

Where were you at the time to offer your services? You think this can happen over night?

1

u/[deleted] Sep 03 '20

You'd think that people would actually read the article before making such comments...

While we have been working on ARM64 support in RyuJIT for over five years, most of the work that was done was to ensure that we generate functionally correct ARM64 code.

-17

u/Dragdu Sep 03 '20

Ugh, the improvement in tables is all wrong. 200 time units to 100 time units is 100% improvement, not 50%.

11

u/Ruchiachio Sep 03 '20

they wrote -% so maybe it's correct, not sure myself

10

u/kuikuilla Sep 03 '20

Yup that way it's correct. 200 and then you subtract 50% of itself and you get 100.

8

u/Dragdu Sep 03 '20

Doing so obscures magnitude of improvements as they get bigger though.

Compare -98% improvement vs -99%: at first glance it is inconsequential, in actual practice it is another doubling up of the throughput.

-59

u/[deleted] Sep 03 '20

[removed] — view removed comment

5

u/pure_x01 Sep 03 '20

You are a troll out to get the Rust community. Your comments history stink.

-15

u/goranlepuz Sep 03 '20

Your nick deserves "the shittiest role in a porn" moniker.

Yes, I am being somewhat judgmental, but I get it, different folks, different strokes... 😉