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<think>
Alright, I need to classify this bug report from QEMU into one of the given categories: mistranslation, assembly lowering, other, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor.
The user is reporting that qemu-system-mips64el runs 70 times slower than other targets like ppc64, riscv64, and s390x. They mention compiling a single source file within the VM and comparing the time it takes. The performance hit is significant—2214 times slower compared to the host.
Looking at the categories:
- Mistranslation relates to incorrect mapping between source and target architectures, which could affect performance.
- Assembly lowering might be about optimizing assembly code for better performance.
- Other is a catch-all category.
- Device, graphic, socket, network relate more to specific hardware or I/O issues.
- KVM is about virtualization, but this seems broader than just the hypervisor's role.
- Boot and vnc are startup and display-related, not directly relevant here.
- Debug, files, permissions aren't related to performance issues.
- Performance is a direct match since the user is complaining about slowness.
The problem isn't tied to a specific component like networking or devices; it's about overall execution speed. Mistranslation could be a factor, but the primary issue seems to be underperformance rather than incorrect translation. Since the user is experiencing significantly slower performance across multiple operations, the most fitting category is 'performance'.
</think>
performance
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