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Taichi Blogs

GPU-Accelerated Collision Detection and Taichi DEM Optimization Challenge
2022年12月22日 | Yuanming Hu, Qian Bao
Numerical simulation and computer graphics usually involve collision detection of a massive number of particles (in many cases, millions of particles). Regular operations, such as particle movement and boundary handling, can be handled in O(N) time complexity (N refers to the number of particles). But the complexity of collision detection can easily escalate to O(N^2) if no optimization is made, imposing an algorithmic bottleneck. A commonly-used technique is grid-based neighborhood search. By confining the search for collision-prone particles to a small area, we can reduce the computational complexity of collision detection back to O(N). This article takes a minimal 2D discrete element method (DEM) solver as an example and presents a highly efficient implementation of neighborhood search using Taichi's data structures.
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Pythonic Supercomputing: Scaling Taichi Programs with MPI4Py
2022年12月7日 | Haidong Lan
Nvidia unveiled its Tesla V100 GPU accelerator, which has since become a must-have model for deep learning, at GTC (GPU Technology Conference) 2017 in Beijing. It was on the same occasion that Jensen Huang, Nvidia's CEO, solemnly gave us the most sincere advice, which kept resonating in our heads for years to come:
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Taichi's Quantized Data Types: Same Computational Code, Optimized GPU Memory Usage
2022年11月18日 | Yi Xu
Starting from v1.1.0, Taichi provides quantized data types. But why is quantization important, especially in scenarios where Taichi stands out, such as physical simulation? This blog demonstrates how this new feature reduces your GPU memory usage significantly and requires zero change to your computational code.
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How Taichi Fuels GPU-accelerated Image Processing: A Beginner to Expert Guide
2022年11月4日 | Yuanming Hu, Liang Zhao
GPU-accelerated image processing tutorial
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How does Taichi Compare to CUB/CuPy/Numba in Numerical Computation?
2022年10月25日 | Qian Bao, Haidong Lan
In the previous blog, we learned that Taichi, a high-performance computing language embedded in Python, goes beyond a development tool for computer graphics and renderers but also comes in handy for numerical computation that involves massive operations on 2D and 3D arrays. Computational fluid dynamics (CFD) is a typical scenario where Taichi can play a part.
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Can Taichi play a role in CFD?
2022年9月22日 | Qian Bao
Computational fluid dynamics (CFD) is a branch of fluid mechanics that endeavors to precisely reproduce the behavior of liquid/gas flows and their interaction with solid boundaries. It plays a vital role in such sectors as visual effects, virtual reality, and industrial design.
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Taichi & PyTorch 03: Accelerate PyTorch with Taichi - Data Preprocessing & High-performance ML Operator Customization
2022年9月15日 | Ailing Zhang, Haidong Lan
Our previous blogs (Taichi & PyTorch 01 and 02) pointed out that Taichi and Torch serve different application scenarios can they complement each other? And the answer is an unequivocal yes! In this blog, we will use two simple examples to explain how to use Taichi kernel to implement data preprocessing operators or custom ML operators. With Taichi, you can accelerate your ML model development with ease and get rid of the tedious low-level parallel programming (CUDA for example) for good.
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Accelerate Python code 100x by import taichi as ti
2022年8月23日 | Yuanming Hu
Python has become the most popular language in many rapidly evolving sectors, such as deep learning and data sciences. Yet its easy readability comes at the cost of performance. Of course, we all complain about program performance from time to time, and Python should certainly not take all the blame. Still, it's fair to say that Python's nature as an interpreted language does not help, especially in computation-intensive scenarios (e.g., when there are multiple nested for loops).
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Taichi & PyTorch 02: Data containers
2022年8月15日 | Ailing Zhang
In my last blog, I compared the purposes and design philosophies of Taichi Lang and PyTorch. Now, it's time to take a closer look at their data containers - the most essential part of any easy-to-use programming language.
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Taichi & PyTorch 01: Underlying difference
2022年8月8日 | Ailing Zhang
"How does Taichi differ from PyTorch? They are both embedded in Python and can run on GPU! And when should I choose Taichi over PyTorch or the other way around?"
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