Articles

Articles on agentic inference, AgentX results, chip performance, and ML infrastructure.

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·2 min read

Qwen3.5 397B on AgentX: B300 FP4 Delivers 12x the Performance per Dollar of H100

What four years of hardware and a 4-bit format buy on a long-context agentic workload

agentxagenticbenchmarkinferenceqwenb300h100h200fp4fp8sglangnvidia
·10 min read

B200 NVFP4 vs H200 FP8 on GLM-5: Up to 3.65x Better Performance per Dollar with SGLang MTP

Both SKUs run SGLang EAGLE MTP; the Blackwell generation lifts perf/$ by ~1.2x at the peak and the NVIDIA GLM-5-NVFP4 checkpoint on FlashInfer TRT-LLM sparse MLA stacks another ~2.4–3.0x on 8K/1K

benchmarkgpuinferenceglm5nvidiab200h200sglangfp4
·12 min read

B200 NVFP4 vs H100 FP8 on MiniMax-M2.5: Up to 8.2x Better Performance per Dollar with vLLM

vLLM PR #36307 unlocks the trtllm-gen FP8 MoE kernel for MiniMax on B200; combined with NVFP4, perf/$ scales from 4.0x at 22 tok/s/user to 8.2x at 110 on 8K/1K

benchmarkgpuinferenceminimaxnvidiab200h100vllmfp4
·13 min read

MI355X DeepSeek-V4-Pro on SGLang: 110.5x Throughput per GPU in 26 Days

The amd/deepseek_v4 side branch shipped TileLang attention indexer, Triton sparse MLA, fused RoPE/Hadamard, FlyDSL MoE, and FP4 weights across 31 performance optimizations PRs — lifting first-light 20 tok/s/GPU at 2.4 tok/s/user into 2,256 tok/s/GPU at 9.4 tok/s/user on 8K/1K, with both throughput and interactivity climbing together

benchmarkgpuinferencedeepseekamdmi355xsglangrocmfp4
·5 min read

SGLang 0.5.6 on B200 DeepSeek R1 FP4: Up to 1.8x at Low Concurrency

Piecewise CUDA graphs for DeepSeek V3, a unified event loop, and JIT kernels push 8k/1k throughput from 508 to 907 tok/s/GPU on the same 16 GPU B200 pool

benchmarkinferencegpunvidiab200deepseeksglangfp4