Comments (16)
@Dreamgang ,ncnn目前还没量化测试过,有空测试下。这几天加入人脸五点关键点,加入后一并量化测试下。
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The same is true of my problem. After quantification, there is an error. Excuse me, have you solved it?
from ultra-light-fast-generic-face-detector-1mb.
你好,我用ncnn提供的量化工具,将您给的模型ncnn.bin.ncnn.param进行量化,再用量化后的模型,用ncnn调用预测,结果出错了,请问您能否提供一下量化后的模型,谢谢!
我也遇到相同的问题,请问您解决了吗?
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@zxb-caffe MNN量化模型 ,测试正常。
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请问:int8和float32的模型运行时间有区别吗?我感觉几乎没变化。
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在arm上效果蛮明显的,特别是多核。
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刚开始的几次检测不会很稳定,时间会有波动,后面就逐渐稳定了。你可以for循环推理部分测一下。
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我是在笔记本上跑的,几乎没什么效果。您知道是为什么吗?
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MNN和NCNN这种移动端推理框架一般不针对PC架构处理器优化的,所以int8反而会比fp32慢的。
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树莓派4B MNN 320x240 ,1~4核推理时间(ms) FP32为38.57/26.35/22.66/19.68, int8为35.56/19.63/14.5/10.8, 加速效果还是很明显的。
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树莓派4B是只有cpu吗?没有带GPU吗?
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有,不过只是用来处理视频编解码的,不能用来做通用加速。
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好的,非常感谢。
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请问,量化后的准确度是怎么样的?
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我测试了一些图,检测结果几乎没区别。有空我单独测试下widerface的验证集结果看看区别,差别应该不大。
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好的。谢谢。
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Related Issues (20)
- How to increase amount of using CPUs?
- 请问可以批量推理吗
- About the BBox Detection for "masked-Face"
- ModuleNotFoundError: No module named 'vision'
- error building for ncnn
- 请问README中的测试精度是指什么?
- Error while training HOT 1
- Bounding box overlap issue.
- Min_boxes (anchors) calculation
- 请问如何训练灰度图? HOT 1
- ModuleNotFoundError: No module named 'tf' in convert_tensorflow.py HOT 1
- converting to tfjs model
- onnx转换出来报错
- Transfer learning and lable output
- 对全景图进行人脸识别
- 有一段代码不是很理解,有哪位大佬帮我解下惑 HOT 1
- 代码参数理解 HOT 1
- Improve accuracy of the ultraface-rfb-640.onnx model
- 如何优化GPU训练速度
- 大哥你也太强了, 啥都会啊, 这代码没注释根本看不懂
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