Microsoft.IO.RecyclableMemoryStream
.NET Runtime
Microsoft.IO.RecyclableMemoryStream | .NET Runtime | |
---|---|---|
10 | 608 | |
1,890 | 14,139 | |
0.5% | 1.6% | |
7.2 | 10.0 | |
8 days ago | 3 days ago | |
C# | C# | |
MIT License | MIT License |
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Microsoft.IO.RecyclableMemoryStream
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How to improve memory allocation when creating HttpContent
There’s also RecyclableMemoryStream
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How can I efficiently search for a specific string in a large text file using C#?
Another suggestion to try, there is a tool provided by Microsoft called Microsoft.IO.RecyclableMemoryStream which greatly reduces the amount of memory to garbage collect when streaming large amounts of data.
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Why is Rust faster than Go for CPU bound tasks?
it's also common, however, that in GC'd languages people end up making their own mini-allocators to avoid producing garbage in the first place. See, for example, https://learn.microsoft.com/en-us/dotnet/api/system.buffers.arraypool-1?view=net-6.0, which didn't exist in Net Framework but Net Core added because even with a good GC, not GC'ing is faster than GC'ing. Or check out https://github.com/Microsoft/Microsoft.IO.RecyclableMemoryStream, which is basically recreating the pooling strategy that good Rust allocators also use (albeit with fewer pools because it's less general-purpose).
- Microsoft.IO.RecyclableMemoryStream
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Is usage of MemoryStream not scalable?
There are some known performance issues when using memorystreams. Microsoft themselves created a nuget package as a drop in replacement: https://github.com/microsoft/Microsoft.IO.RecyclableMemoryStream They talk about some of the issues in the readme, I suggest you take a look and see if anything applies to your use case.
- C# Performance tricks — Reducing heap allocations and execution time
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Is it better to reuse a memory stream or create a new one if used inside a loop?
If you do need to use MemoryStream a lot or reuse one, I suggest you to use https://github.com/Microsoft/Microsoft.IO.RecyclableMemoryStream it pools MemoryStream for you to optimize things
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.NET The useful package for a pooling memory streams Microsoft.IO.RecyclableMemoryStream
I had implemented logging of REST API requests to public service and one problem was pooling streams for reading request body. So I have found package Microsoft.IO.RecyclableMemoryStream. I'm using it following manner
- microsoft/Microsoft.IO.RecyclableMemoryStream
- Why should I care about .NET GC?
.NET Runtime
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Airline keeps mistaking 101-year-old woman for baby
It's an interesting "time is a circle" problem given that a century only has 100 years and then we loop around again. 2-digit years is convenient for people in many situations but they are very lossy, and horrible for machines.
It reminds me of this breaking change to .Net from last year.[1][2] Maybe AA just needs to update .Net which would pad them out until the 2050's when someone born in the 1950s would be having...exactly the same problem in the article. (It is configurable now so you could just keep pushing it each decade, until it wraps again).
Or they could use 4-digit years.
[1] https://github.com/dotnet/runtime/issues/75148
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The software industry rapidly convergng on 3 languages: Go, Rust, and JavaScript
These can also be passed as arguments to `dotnet publish` if necessary.
Reference:
- https://learn.microsoft.com/en-us/dotnet/core/deploying/nati...
- https://github.com/dotnet/runtime/blob/main/src/coreclr/nati...
- https://github.com/dotnet/runtime/blob/5b4e770daa190ce69f402... (full list of recognized keys for IlcInstructionSet)
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The Performance Impact of C++'s `final` Keyword
Yes, that is true. I'm not sure about JVM implementation details but the reason the comment says "virtual and interface" calls is to outline the difference. Virtual calls in .NET are sufficiently close[0] to virtual calls in C++. Interface calls, however, are coded differently[1].
Also you are correct - virtual calls are not terribly expensive, but they encroach on ever limited* CPU resources like indirect jump and load predictors and, as noted in parent comments, block inlining, which is highly undesirable for small and frequently called methods, particularly when they are in a loop.
* through great effort of our industry to take back whatever performance wins each generation brings with even more abstractions that fail to improve our productivity
[0] https://github.com/dotnet/coreclr/blob/4895a06c/src/vm/amd64...
[1] https://github.com/dotnet/runtime/blob/main/docs/design/core... (mind you, the text was initially written 18 ago, wow)
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Java 23: The New Features Are Officially Announced
If you care about portable SIMD and performance, you may want to save yourself trouble and skip to C# instead, it also has an extensive guide to using it: https://github.com/dotnet/runtime/blob/69110bfdcf5590db1d32c...
CoreLib and many new libraries are using it heavily to match performance of manually intensified C++ code.
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Locally test and validate your Renovate configuration files
DEBUG: packageFiles with updates (repository=local) "config": { "nuget": [ { "deps": [ { "datasource": "nuget", "depType": "nuget", "depName": "Microsoft.Extensions.Hosting", "currentValue": "7.0.0", "updates": [ { "bucket": "non-major", "newVersion": "7.0.1", "newValue": "7.0.1", "releaseTimestamp": "2023-02-14T13:21:52.713Z", "newMajor": 7, "newMinor": 0, "updateType": "patch", "branchName": "renovate/dotnet-monorepo" }, { "bucket": "major", "newVersion": "8.0.0", "newValue": "8.0.0", "releaseTimestamp": "2023-11-14T13:23:17.653Z", "newMajor": 8, "newMinor": 0, "updateType": "major", "branchName": "renovate/major-dotnet-monorepo" } ], "packageName": "Microsoft.Extensions.Hosting", "versioning": "nuget", "warnings": [], "sourceUrl": "https://github.com/dotnet/runtime", "registryUrl": "https://api.nuget.org/v3/index.json", "homepage": "https://dot.net/", "currentVersion": "7.0.0", "isSingleVersion": true, "fixedVersion": "7.0.0" } ], "packageFile": "RenovateDemo.csproj" } ] }
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Chrome Feature: ZSTD Content-Encoding
https://github.com/dotnet/runtime/issues/59591
Support zstd Content-Encoding:
- Writing x86 SIMD using x86inc.asm (2017)
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Why choose async/await over threads?
We might not be that far away already. There is this issue[1] on Github, where Microsoft and the community discuss some significant changes.
There is still a lot of questions unanswered, but initial tests look promising.
Ref: https://github.com/dotnet/runtime/issues/94620
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Redis License Changed
https://github.com/dotnet/dotnet exists for source build that stitches together SDK, Roslyn, runtime and other dependencies. A lot of them can be built and used individually, which is what contributors usually do. For example, you can clone and build https://github.com/dotnet/runtime and use the produced artifacts to execute .NET assemblies or build .NET binaries.
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Garnet – A new remote cache-store from Microsoft Research
Yeah, it kind of is. There are quite a few of experiments that are conducted to see if they show promise in the prototype form and then are taken further for proper integration if they do.
Unfortunately, object stack allocation was not one of them even though DOTNET_JitObjectStackAllocation configuration knob exists today, enabling it makes zero impact as it almost never kicks in. By the end of the experiment[0], it was concluded that before investing effort in this kind of feature becomes profitable given how a lot of C# code is written, there are many other lower hanging fruits.
To contrast this, in continuation to green threads experiment, a runtime handled tasks experiment[1] which moves async state machine handling from IL emitted by Roslyn to special-cased methods and then handling purely in runtime code has been a massive success and is now being worked on to be integrated in one of the future version of .NET (hopefully 10?)
[0] https://github.com/dotnet/runtime/issues/11192
[1] https://github.com/dotnet/runtimelab/blob/feature/async2-exp...
What are some alternatives?
StreamRegex - A .NET Standard 2.1+ Library to perform string parsing operations on Streams and StreamReaders. Includes Extensions for Regex.
Ryujinx - Experimental Nintendo Switch Emulator written in C#
nlc - Line counter written in C# targeting .NET 6
ASP.NET Core - ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
actix-web - Actix Web is a powerful, pragmatic, and extremely fast web framework for Rust.
WASI - WebAssembly System Interface
CoreCLR - CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.
vgpu_unlock - Unlock vGPU functionality for consumer grade GPUs.
runtimelab - This repo is for experimentation and exploring new ideas that may or may not make it into the main dotnet/runtime repo.
dotnet-wasi-sdk - Packages for building .NET projects as standalone WASI-compliant modules
sdk - Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI
SharpLab - .NET language playground