  Recent advancements in multimodal large language models (MLLMs) have achieved
significant multimodal generation capabilities, akin to GPT-4. These models
predominantly map visual information into language representation space,
leveraging the vast knowledge and powerful text generation abilities of LLMs to
produce multimodal instruction-following responses. We could term this method
as LLMs for Vision because of its employing LLMs for visual-language
understanding, yet observe that these MLLMs neglect the potential of harnessing
visual knowledge to enhance overall capabilities of LLMs, which could be
regraded as Vision Enhancing LLMs. In this paper, we propose an approach called
MKS2, aimed at enhancing LLMs through empowering Multimodal Knowledge Storage
and Sharing in LLMs. Specifically, we introduce the Modular Visual Memory, a
component integrated into the internal blocks of LLMs, designed to store
open-world visual information efficiently. Additionally, we present a soft
Mixtures-of-Multimodal Experts architecture in LLMs to invoke multimodal
knowledge collaboration during generation. Our comprehensive experiments
demonstrate that MKS2 substantially augments the reasoning capabilities of LLMs
in contexts necessitating physical or commonsense knowledge. It also delivers
competitive results on multimodal benchmarks.
