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Qemu Alternatives
Similar projects and alternatives to qemu
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QEMU
Official QEMU mirror. Please see https://www.qemu.org/contribute/ for how to submit changes to QEMU. Pull Requests are ignored. Please only use release tarballs from the QEMU website.
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UnnaturalScrollWheels
Invert scroll direction for physical scroll wheels while maintaining "Natural" scrolling for trackpads on MacOS
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CLK
A latency-hating emulator of: the Acorn Electron and Archimedes, Amstrad CPC, Apple II/II+/IIe and early Macintosh, Atari 2600 and ST, ColecoVision, Enterprise 64/128, Commodore Vic-20 and Amiga, MSX 1/2, Oric 1/Atmos, early PC compatibles, Sega Master System, Sinclair ZX80/81 and ZX Spectrum.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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capstone
Capstone disassembly/disassembler framework for ARM, ARM64 (ARMv8), Alpha, BPF, Ethereum VM, HPPA, LoongArch, M68K, M680X, Mips, MOS65XX, PPC, RISC-V(rv32G/rv64G), SH, Sparc, SystemZ, TMS320C64X, TriCore, Webassembly, XCore and X86.
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memset_benchmark
This repository contains high-performance implementations of memset and memcpy in assembly.
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riscv-binutils-gdb
Discontinued RISC-V backports for binutils-gdb. Development is done upstream at the FSF.
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lizard
Lizard (formerly LZ5) is an efficient compressor with very fast decompression. It achieves compression ratio that is comparable to zip/zlib and zstd/brotli (at low and medium compression levels) at decompression speed of 1000 MB/s and faster. (by inikep)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better qemu alternative or higher similarity.
qemu discussion
qemu reviews and mentions
Posts with mentions or reviews of qemu.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-12-29.
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QEMU AioContext removal and how it was done
https://gitlab.com/qemu-project/qemu/-/blob/master/hw/scsi/s...
QEMU's IOThreads allow the user to configure the threads and get something similar to thread per core architecture. But if 1 thread becomes a bottleneck, then some form of thread synchronization is needed again even with thread per core architecture. Some problems can be parallelized and they work well with thread per core.
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Why are Apple Silicon VMs so different?
Add `ENV ERL_FLAGS="+JPperf true"` to your Dockerfile and it will build just fine cross platform. The flag just changes some things during build time and won’t affect runtime performance.
[1] https://gitlab.com/qemu-project/qemu/-/issues/1034
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RISC-V Vector benchmark results
> I don't know how rdcycle works on qemu.
That's a good question! I had to look it up myself ...
Obviously qemu TCG isn't a cycle-accurate emulation. Using RDCYCLE / reading the corresponding CSR eventually calls https://gitlab.com/qemu-project/qemu/-/blob/69680740eafa1838... which calls cpu_get_host_ticks is basically an arch-independent wrapper around RDTSC.
So it just measures the time taken to run using RDTSC. Which I guess is what you would want (maybe?). It would measure the time taken to emulate the vector instruction in host instructions.
> This benchmark is more meant for developers to figure out how to vectorize algorithms effectively, as in which instructions to choose.
Absolutely, I'm not saying the qemu results would say anything very deep, but they're kind of interesting from the point of view of either optimizing qemu or if you have to use qemu because the hardware you want isn't available / isn't cheap enough.
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The IMPOSSIBLE RISCV HACK: Vector Extension 0.7.1-draft w/ current Linux kernel! – René Rebe
I see the commits that started switch support from RVV 071 to 100 start here, https://gitlab.com/qemu-project/qemu/-/commit/9ec6622db30df1c00d863c1ffc33341f9e0a534d
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I booted Linux 292,612 times
>> https://gitlab.com/qemu-project/qemu/-/issues/1696 ]
> Can I please just get the detail in mail instead of having to go look at random websites?
Maybe it's me but if I did boot boot linux 292.612 times to find a bug, you might as well click a link to a repository of a major open source project on a major git hosting service.
Is it really that weird to ask people online to check a website? Maybe I don't know the etiquette of these mail lists so this is a geniune question.
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Rise: Accelerate the Development of Open Source Software for RISC-V
Capstone is used[1] by QEMU as disassembly engine in debug logs and in monitor mode debugger, by the way, so it's in the scope of the RISE effort.
[1] https://gitlab.com/qemu-project/qemu/-/blob/master/disas/cap...
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Intel Arc 750 Crashes Host + Display Cable Workaround not needed anymore (Windows)
A user on the qemu bugtracker found a way to get the Intel Arc working across resets without crashing the host: Just don't passthrough the audio device of the GPU and everything works!
- Qemu 7.2.2: command line syntax in libvirt domain changed
- Anyone know if there's a way to disable ReBar on only one GPU?
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[RFT] Allow QEMU to expose static REBAR capability
[1]https://gitlab.com/qemu-project/qemu/-/commit/3412d8ec9810b819f8b79e8e0c6b87217c876e32 [2]https://gitlab.com/alex.williamson/qemu/-/commit/9a6d1822a2bd55f5dee1aec1b6529ae57949d5ba.patch
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Stats
Basic qemu repo stats
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