
Yangshuang worked on enhancing XPU Mixture of Experts (MoE) support in the PaddlePaddle/FastDeploy repository, focusing on backend development and deep learning optimizations using Python. They implemented a new XPU MoE operator, refined token batching, and improved fused MoE logic to increase reliability and throughput for XPU backends. Addressing a data corruption edge case, Yangshuang ensured correct handling of up_gate_proj_in_scale when ffn1_act_scale_per_token is present. Additionally, they improved observability by adding memory usage logging in gigabytes during warm-up, making diagnostics more transparent. The work demonstrated depth in model optimization, performance monitoring, and XPU acceleration for production environments.
October 2025 performance snapshot for PaddlePaddle/FastDeploy focused on stabilizing and expanding XPU MoE support and improving observability. Implemented a new XPU MoE operator, adjusted default token batching, and refined fused MoE logic for XPU backends to improve reliability and throughput. Fixed a data corruption edge case in the fused MoE path by ensuring proper handling of up_gate_proj_in_scale when ffn1_act_scale_per_token is present. Added clear, GB-based memory usage logging during warm-up to improve observability and snabbier diagnostics. These changes collectively boost production stability, runtime performance, and developer visibility on XPU-based deployments.
October 2025 performance snapshot for PaddlePaddle/FastDeploy focused on stabilizing and expanding XPU MoE support and improving observability. Implemented a new XPU MoE operator, adjusted default token batching, and refined fused MoE logic for XPU backends to improve reliability and throughput. Fixed a data corruption edge case in the fused MoE path by ensuring proper handling of up_gate_proj_in_scale when ffn1_act_scale_per_token is present. Added clear, GB-based memory usage logging during warm-up to improve observability and snabbier diagnostics. These changes collectively boost production stability, runtime performance, and developer visibility on XPU-based deployments.

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