Performance
JAX 0.5.1 Flips PjRt Default on TPU v5p: Compile Time Down 28%
Dated: February 5, 2026 — jax 0.5.1 Contents Why the PjRt migration matters on TPU v5p How should you measure the compile-time delta?
LangChain 0.3.22 Deprecated AgentExecutor: My LangGraph Migration p95 Dropped 340ms
Event date: April 8, 2026 — langchain-ai/langchain 0.3.22 Bottom line: The current langchain release makes the AgentExecutor deprecation warnings louder.
Haystack 2.6 PipelineMaxLoops: Router + JoinDocuments Deadlock on Empty Retrieval
A retrieval-augmented pipeline that ran clean on every staged query will silently stall the moment a real user asks about a topic your vector store does.
Qdrant Binary Quantization Cuts MiniLM Search Latency 4x
Qdrant Binary Quantization Cuts Sentence-Transformers Search Latency 4x Qdrant’s binary quantization compresses each float32 vector dimension to a single.
JAX Gradient Checkpointing on TPU v5e: 40% Memory Cut at 12% Speed Cost
In this article How does JAX gradient checkpointing reduce memory on TPU v5e? What is the checkpoint policy that drives the 40% memory saving?
Mistral-7B-v0.3 QLoRA on Modal A100-40GB: nf4 + bf16_compute Beat My RunPod H100 Spot Cost Per Step
TL;DR: For a Mistral-7B-v0.3 QLoRA fine-tune at sequence length 2048 and micro-batch 4, a Modal A100-40GB container running bitsandbytes nf4 with bfloat16.
vLLM 0.6 Continuous Batching Cut My Llama 3 Latency in Half
Upgrading a Llama 3 8B endpoint from vLLM 0.5.4 to 0.6.x is the rare dependency bump where the numbers on the dashboard actually move.
torch.compile in PyTorch 2.5: Where the Speedup Comes From and Where It Disappears
PyTorch 2.5 made torch.compile good enough that you can drop it into a real training script and expect a speedup most of the time.
How to Convert PyTorch Models to ONNX Format for Faster Inference
I remember the first time I deployed a PyTorch model to production. I wrapped a beautifully trained ResNet model in a Flask API, spun up a Docker.
Dask’s Active Memory Manager Finally Stopped Breaking My Pipelines
I used to dread the Slack notification. You know the one. The little red dot popping up at 7:30 AM telling me my overnight batch job failed.