Unexpected Vulkan Speedup in LLM Benchmarking

Benchmarking local llms for speed with CUDA and vulkan, found an unexpected speedup for select models

Benchmarking local language models (LLMs) on a 3080 10GB GPU revealed that while CUDA generally outperforms Vulkan in token generation rates, certain models show unexpected speed improvements with Vulkan. Notably, the GLM4 9B Q6 model experienced a 2.2x speedup in prompt processing and a 1.7x speedup in token generation using Vulkan. Similarly, the Ministral3 14B 2512 Q4 model saw a significant 4.4x speedup in prompt processing and a 1.6x speedup in token generation. These findings suggest that Vulkan may offer performance benefits for specific models, particularly when partially offloaded to the GPU. This matters as it highlights potential optimizations for developers working with LLMs on different hardware configurations.

Benchmarking local language models (LLMs) for speed using different technologies like CUDA and Vulkan is crucial for developers and researchers who are looking to optimize performance and reduce latency in machine learning applications. CUDA, developed by NVIDIA, is a widely used parallel computing platform and application programming interface (API) model, while Vulkan is a newer, low-overhead, cross-platform 3D graphics and compute API. The comparison between these two technologies on an NVIDIA 3080 10GB graphics card provides insights into how different models perform under varying computational frameworks, which can be pivotal for selecting the right technology stack for specific machine learning tasks.

Interestingly, while CUDA generally outperforms Vulkan in terms of token rate, there are exceptions where Vulkan offers unexpected speedups for certain models. For example, the GLM4 9B Q6 model showed a 2.2x speedup in prompt processing and a 1.7x speedup in token generation when using Vulkan over CUDA. Similarly, the Ministral3 14B 2512 Q4 model demonstrated a remarkable 4.4x speedup in prompt processing. These findings suggest that Vulkan may offer advantages in specific scenarios, particularly when models are partially offloaded to the GPU, highlighting the importance of context and configuration in performance optimization.

The results underscore the complexity of performance tuning and the need for thorough testing and benchmarking when deploying machine learning models. Factors such as model architecture, data processing requirements, and hardware capabilities can significantly influence the effectiveness of a particular computational framework. For developers, understanding these nuances can lead to better resource allocation and more efficient model deployment, ultimately enhancing the responsiveness and scalability of AI applications.

Given the rapid evolution of machine learning technologies and the increasing demand for real-time processing, these insights are valuable for both practitioners and researchers. They highlight the potential for alternative technologies like Vulkan to play a role in specific use cases, even when more established solutions like CUDA are available. This exploration into the performance dynamics of LLMs not only contributes to the ongoing discourse on optimizing AI workloads but also encourages further experimentation and innovation in the field of machine learning infrastructure.

Read the original article here

Comments

2 responses to “Unexpected Vulkan Speedup in LLM Benchmarking”

  1. SignalNotNoise Avatar
    SignalNotNoise

    While the identified speedups with Vulkan are intriguing, it would be valuable to understand whether these results are consistent across different hardware setups or if they are specific to the 3080 10GB GPU. Additionally, exploring whether these performance gains persist with different configurations of the same models might provide a more comprehensive understanding. Could further exploration into the specific architectural features of Vulkan that contribute to these speedups highlight new optimization pathways?

    1. TechWithoutHype Avatar
      TechWithoutHype

      The post suggests that the observed speedups with Vulkan might be specific to certain hardware configurations like the 3080 10GB GPU, but it doesn’t provide a detailed analysis across different setups. Exploring various configurations and the architectural features of Vulkan could indeed reveal new optimization pathways. For a deeper dive into these aspects, you might want to refer to the original article linked in the post.