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In Heptapod by bitbucket_importer on Jan 5, 2020, 20:56
*Created originally on Bitbucket by [paugier (Pierre Augier)](https://bitbucket.org/[7.3.7](https://github.com/gitlab-importer/pypy/milestone/7…
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If you don't specify `tp_new`, CPython has a different behavior depending on whether the type is a heap type or now. Consider this example:
```c
#include
typedef struct {
PyObject_HEAD
} F…
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In Heptapod by bitbucket_importer on Dec 4, 2019, 15:23
*Created originally on Bitbucket by [antocuni (Antonio Cuni)](https://bitbucket.org/[7.3.7](https://github.com/gitlab-importer/pypy/milestone/7…
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Hi,
Thank you for making this very useful library available.
I am using it in a Python script that builds a spline once and then evaluates it multiple times. I have noticed that the memory alloc…
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This issue is a place to aggregate previous write-ups about the C-API. Please add any that are missing to this list, and feel free to discuss them in the comments.
- [Bad C API](https://pythoncapi.…
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In order to be able to evolve the API, but keep ABI stability, it would be useful if one Python version could support multiple ABI versions at once. How would it look like:
* extension A is compile…
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用了作者给的超参数和yolov5官方的预训练权重,yolov5n最多只能到72.2。想问下大家跑到73.3的精度了吗?看了作者的结果文件,hpy参数除了batchsize我的是8其他的没发现不一样的,求大佬指教下。到底是哪里有问题。对了我没有test直接看的val结果最多72.2。是不是要去把结果融合下?还是其他的?
下载玩作者的这个代码只把数据及位置改了,还有预训练权重位置。batchsize…
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We discussed having a stack-allocated context some time ago but never really made a decision nor summarized everything.
I wrote a document about that. Since that seemed to be a too long for an issue …
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@vstinner maintains a repository (https://github.com/python/pythoncapi-compat) with backwards compatibility shims that allow extensions to use certain new C APIs while running on older Python versions…
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Type slot functions (`tp_new`, `nb_add`) have fixed signatures, which makes it impossible to pass extra context. In particular
- you can't easily get an equivalent of Python's `__class__` cell, so yo…