[PConline Info] IBM, who has been quiet for a long time, can no longer sit still. In the face of the AI ​​tide, IBM has released a new Power9 processor. It is said that the performance of this processor is ten times that of any related products. .
In today's increasingly demanding computing power, topics such as AI chips, artificial intelligence, and machine learning are increasingly being concerned. Recently, IBM, which is a technology-rich black technology company, has launched their latest generation of Power chips, code-named Power9. IBM plans to sell this chip to third-party manufacturers and many cloud service providers including Google. At the same time, IBM has also released a new type of computer with Power9 chip and AC922 chip, and plans to use it on IBM cloud computing services. Power9 chips, IBM will usually package new technologies into a complete solution and then bring them to market.
IBM specifically designed this new chip to improve the performance of generic AI frameworks such as Chainer, TensorFlow, and Caffe, and announced that Power9 can run 4 times more workload on these frameworks. If it is really claimed, this Will greatly increase the speed of data scientists to build data models, helping people to calculate data faster.
Patrick Moorhead, chief analyst at Moor Insights & Strategy, believes that IBM's Power9 chip will stand out from the competition in its class. "Power9 is a chip with a new system architecture that is optimized for accelerators used in machine learning. And because it supports astronomical digital IO and bandwidth, it is 10 times the performance of any current related product."
Currently, this new Power9 chip will be the first to be adopted by Lawrence Livermore and Oakridge National Laboratory to build a supercomputer called Summit. The supercomputer will be built on tens of thousands of Power9 chips at a cost of up to $325 million.
Camera Module is generally composed of the following parts: Lens, image sensor, base bar and line.
If it is a camera module with AF function (generally a mobile phone camera), most of them adopt VCM mode, which has one more coil than the above structure. By adding points to the coil, the lens can move vertically to achieve the function of focusing. In the case of a camera with a shake resistant feature, the lens is also able to move horizontally to achieve an optical shake resistant effect
Camera module selection
The sensor and lens in the camera module usually account for more than 90% of the cost, and the image quality is also determined by them.
First, choose the most appropriate sensor according to the price you can accept, the interface of the motherboard, and the resolution you need to take photos and video
The price of the sensor usually accounts for 40%-60% of the price of the module. In order to ensure that the resolution/frame rate can meet the requirements, sensors with better sensitivity and larger pixel area are selected at a certain cost.
Secondly, according to the purpose of the sensor you need, choose the lens with the appropriate size and field of view Angle. If a lens with a large field of view is needed, you can choose a fish-eye camera (also known as a wide-angle camera). However, for the image taken by the fisheye camera, there will be a distortion effect. In fact, the distortion effect can be corrected by itself.
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