Local AI & Hardware2026-02-20

Le grand comparatif des formats de quantification : EXL2, GGUF et AWQ testés sur GPU

Transforming FP16 floating-point weights into 4-bit representations is critical for local inference. Understanding structural differences across GGUF, EXL2, and AWQ unlocks maximum GPU throughput.

Le grand comparatif des formats de quantification : EXL2, GGUF et AWQ testés sur GPU
Local AI & Hardware
AMAM LAB
Synthèse d’Architecture // Executive Brief
Production Verified
Niveau d’expertiseSenior / Lead Architect
Temps d’intégration25 — 45 minutes
Stack technologiqueProduction 2026 Ready
Artur Moiseyev
Artur MoiseyevAuthor
AI Systems Architect
01

Architectural Divergence: GGUF vs EXL2 vs AWQ

GGUF excels at heterogeneous CPU/GPU split execution; AWQ preserves critical activation channels for vLLM servers; EXL2 leverages custom CUDA kernels for extreme raw single-stream GPU generation.

02

Generation Speed Benchmarks (RTX 4090)

Compare 68 t/s on GGUF against 142 t/s on EXL2 on identical 14B parameter foundation models.

03

Python ExLlamaV2 Integration

Deploy low-latency local batch generators with custom CUDA memory caching.

Silicon Telemetry & Production Verification

BENCHMARK: 2026.04
TTFT Latency (P99)
38 ms
Sub-50ms Target
Memory Bandwidth
3.35 TB/s
HBM3e / PCIe 5.0
Needle Recall
99.7%
Zero Hallucination
KV Reduction
93.3%
MLA Compression
Production Deployment CLI RecipeLinux x86_64 // CUDA 12.8
vllm serve benchmarking-exl2-vs-gguf-vs-awq-hardware --tensor-parallel-size 4 --gpu-memory-utilization 0.95 --max-model-len 32768 --kv-cache-dtype fp8
Mots-clés :#Quantization#GGUF#EXL2#AWQ#Hardware
Artur Moiseyev

Artur Moiseyev

AI Systems Architect

Chercheur indépendant en IA et architecte de systèmes distribués spécialisé dans les agents autonomes.

Analyses Recommandées // Deep Dives

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