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Mayank Ketkar

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One Week in Ray: 21 Bugs Between Us and a Production ML Pipeline

One Week in Ray: 21 Bugs Between Us and a Production ML Pipeline

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13 min read
The Ghost in the Batch: How vLLM Silently Switches Algorithms

The Ghost in the Batch: How vLLM Silently Switches Algorithms

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5 min read
How to Read GPU Profiling Logs: A Ground-Up Guide

How to Read GPU Profiling Logs: A Ground-Up Guide

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7 min read
Two Ways to Move Tensors Without Stopping: Inside vLLM's Async GPU Transfer Patterns

Two Ways to Move Tensors Without Stopping: Inside vLLM's Async GPU Transfer Patterns

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7 min read
Your Ray Data Pipeline Works at 10K Samples. Here's Why It Crashes at 1M.

Your Ray Data Pipeline Works at 10K Samples. Here's Why It Crashes at 1M.

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7 min read
Compiling the Vision Encoder: Squeezing 3% More Throughput from Qwen3-VL on Hopper GPUs

Compiling the Vision Encoder: Squeezing 3% More Throughput from Qwen3-VL on Hopper GPUs

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11 min read
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