How to use from
llama.cpp
Install from brew
brew install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf persadian/DeepSeek-V4-Flash-IQ1_S-XL:IQ1_S
# Run inference directly in the terminal:
llama-cli -hf persadian/DeepSeek-V4-Flash-IQ1_S-XL:IQ1_S
Install from WinGet (Windows)
winget install llama.cpp
# Start a local OpenAI-compatible server with a web UI:
llama-server -hf persadian/DeepSeek-V4-Flash-IQ1_S-XL:IQ1_S
# Run inference directly in the terminal:
llama-cli -hf persadian/DeepSeek-V4-Flash-IQ1_S-XL:IQ1_S
Use pre-built binary
# Download pre-built binary from:
# https://github.com/ggerganov/llama.cpp/releases
# Start a local OpenAI-compatible server with a web UI:
./llama-server -hf persadian/DeepSeek-V4-Flash-IQ1_S-XL:IQ1_S
# Run inference directly in the terminal:
./llama-cli -hf persadian/DeepSeek-V4-Flash-IQ1_S-XL:IQ1_S
Build from source code
git clone https://github.com/ggerganov/llama.cpp.git
cd llama.cpp
cmake -B build
cmake --build build -j --target llama-server llama-cli
# Start a local OpenAI-compatible server with a web UI:
./build/bin/llama-server -hf persadian/DeepSeek-V4-Flash-IQ1_S-XL:IQ1_S
# Run inference directly in the terminal:
./build/bin/llama-cli -hf persadian/DeepSeek-V4-Flash-IQ1_S-XL:IQ1_S
Use Docker
docker model run hf.co/persadian/DeepSeek-V4-Flash-IQ1_S-XL:IQ1_S
Quick Links

DFQS SPECIFICATION v1.0

DeepSeek-V4-Flash-IQ1_S-XL (Reference Implementation)

284B MoE · 13B Active · 61.6GB GGUF · CPU-Feasible Inference


Author: Darshani Persadh (@persadian)
Hugging Face Handle: @persadian
GitHub: arishma108
DOI: 10.57967/hf/8853
Publication Date: May 19, 2026


ARTIFACT INTEGRITY

This section provides cryptographic verification of the DFQS-IQ1_S-XL artifact for reproducibility and integrity validation.

File: DeepSeek-V4-Flash-IQ1_S-XL.gguf (61.6GB)
SHA-256: b049d1eb34c068f19ab007b33c22a7d758b578bf2b10d9276e79654f85d35047
Timestamp: 2026-05-19 14:32:17 UTC

This hash verifies:

  • file integrity
  • deterministic reconstruction of the merged GGUF artifact
  • consistency of DFQS-IQ1_S-XL deployment packaging

This block is intended for reproducibility validation across DFQS-compatible environments.


1. SCOPE

This specification defines the DFQS (DeepSeek Flash Quantization Standard) for ultra-low-bit Mixture-of-Experts (MoE) deployment systems.

It defines:

  • deployment constraints
  • behavioral expectations
  • evaluation interface
  • reference implementation structure

This specification does NOT define:

  • model training procedures
  • fine-tuning workflows
  • upstream architecture modifications

2. TERMINOLOGY

Term Definition
DFQS DeepSeek Flash Quantization Standard
IQ1_S-XL Ultra-low-bit reference deployment class
MoE Mixture-of-Experts architecture
GGUF Unified inference format
Routing Expert selection mechanism

3. NORMATIVE REQUIREMENTS

SHALL

  • DFQS-IQ1_S-XL SHALL support single-file GGUF execution
  • Models SHALL operate in CPU-constrained environments
  • Routing SHALL remain deterministic under standard inference loads

SHOULD

  • Implementations SHOULD support llama.cpp runtime compatibility
  • Evaluation SHOULD include long-context degradation analysis

MAY

  • GPU acceleration MAY be used for optimization
  • Extended context beyond 64K MAY be supported

4. REFERENCE IMPLEMENTATION (IQ1_S-XL)

DFQS-IQ1_S-XL defines a constrained-memory MoE deployment class designed for:

  • deterministic GGUF execution
  • CPU-feasible inference
  • ultra-low-bit routing stability
  • single-file deployment architecture

5. SPEC SNAPSHOT

Property Value
Model DeepSeek-V4-Flash-IQ1_S-XL
Architecture Mixture-of-Experts (MoE)
Active Params 13B
Total Params 284B
Size 61.6GB
Format GGUF (single-file)
Runtime llama.cpp
DFQS Class IQ1_S-XL
Deployment Tier Reference Ultra-Low-Bit

6. BEHAVIORAL CAPABILITIES (REFERENCE PROFILE)

Task Support Level
Code Generation Primary
Instruction Following Full
Long-Context Reasoning (1M tokens) Full
Conversational AI Full
Text Generation Full
Translation Limited (English primary)

7. ONE-LINE THESIS

DFQS-IQ1_S-XL defines an ultra-low-bit operational deployment class for large-scale MoE inference under constrained memory environments.


8. DFQS POSITIONING LAYER

The following hierarchy defines DFQS-IQ1_S-XL within the broader inference compression spectrum:

DFQS Positioning Layer

FP16 / FP8 (Frontier Models)
→ Q4–Q6 GGUF (Production Inference)
→ IQ2 (Experimental Compression)
→ DFQS-IQ1_S-XL (Reference Implementation)


9. WHY 61.6GB MATTERS

Traditional DeepSeek-V4-Flash deployments typically operate within:

  • 120GB–300GB GGUF ranges
  • GPU-first inference systems

DFQS-IQ1_S-XL establishes:

  • sub-70GB operational envelope
  • CPU-accessible MoE inference
  • constrained-memory deployment feasibility

10. BEHAVIORAL PROFILE

DFQS-IQ1_S-XL prioritizes operational stability under compression over benchmark maximization.

Property Behavior
Routing Consistency Stable
Deterministic Execution Maintained
Long-Context Stability Gradual degradation
CPU Feasibility Supported
Expert Coherence Preserved

LIMITATIONS (BEHAVIORAL CONSTRAINTS)

  • Performance degrades under long-context saturation
  • Routing variance increases under extreme token pressure
  • Memory constraints may trigger latency spikes or truncation behavior
  • Inference stability is maintained within defined compression and memory constraints.

11. EVALUATION INTERFACE

REQUIRED METRICS

All DFQS implementations SHALL report:

reasoning_score: float
code_score: float
context_stability_curve: list[float]
cpu_tokens_per_sec: float
failure_boundary_tokens: int

EVALUATION CONDITIONS

  • CPU-only baseline unless specified
  • llama.cpp runtime
  • standardized prompt sets

MEASUREMENT CONVENTION

All metrics MUST be reported under identical prompt and runtime conditions for cross-model comparability.

12. IMPLEMENTATION NOTES (NON-NORMATIVE)

The DFQS-IQ1_S-XL artifact uses a sequential shard merge process:

  1. Sequential shard ingestion
  2. Chunked binary concatenation
  3. GGUF header validation
  4. Post-validation cleanup

This describes implementation behavior and does not define DFQS requirements.

Efficiency Note

This approach reduces intermediate storage requirements compared to full shard reconstruction workflows.


13. DEPLOYMENT

llama.cpp

# Using the merged single file
llama-server -hf persadian/DeepSeek-V4-Flash-IQ1_S-XL

# Or download and run locally
huggingface-cli download persadian/DeepSeek-V4-Flash-IQ1_S-XL DeepSeek-V4-Flash-IQ1_S-XL.gguf
./llama-cli -m DeepSeek-V4-Flash-IQ1_S-XL.gguf -p "Your prompt"

Python

from llama_cpp import Llama

llm = Llama.from_pretrained(
    repo_id="persadian/DeepSeek-V4-Flash-IQ1_S-XL",
    filename="DeepSeek-V4-Flash-IQ1_S-XL.gguf",
)

Ollama

ollama run hf.co/persadian/DeepSeek-V4-Flash-IQ1_S-XL

Docker

docker model run hf.co/persadian/DeepSeek-V4-Flash-IQ1_S-XL

14. HARDWARE ENVELOPE

Component Minimum Recommended
RAM 80GB 128GB
GPU VRAM 22GB 24GB+
Storage 60GB 150GB
Runtime memory includes KV cache overhead and context expansion.

15. VALIDATION STATUS

  • GGUF integrity: validated at load-time
  • Single-file structure: confirmed
  • llama.cpp compatibility: tested
  • CPU inference: operational

15. SYSTEM ADOPTION ANALYSIS

The DFQS-IQ1_S-XL reference implementation has demonstrated substantial direct deployment adoption relative to the upstream shard-distribution workflow.

This adoption pattern suggests increasing preference toward:

  • single-file deployment architectures
  • constrained-memory inference workflows
  • deployment-ready GGUF artifacts
  • deterministic reconstruction-free execution paths

The separation between shard-based distribution and DFQS deployment implementation reflects a layered inference infrastructure model:

Layer Function
Shard Repository Artifact distribution and reconstruction workflows
DFQS-IQ1_S-XL Reference deployment implementation
DFQS Specification Deployment standardization layer
DFQS Evaluation Suite Runtime validation framework

This repository serves as the canonical DFQS reference deployment implementation for DeepSeek-V4-Flash under constrained-memory operational environments.


17. CITATION

@misc{persadian2026dfqs_iq1sxl,
  author = {Persadh, Darshani},
  title = {DFQS-IQ1_S-XL: Ultra-Low-Bit MoE Deployment Standard},
  year = {2026},
  publisher = {Hugging Face},
  version = {IQ1_S-XL},
  doi = {10.57967/hf/8853},
  url = {https://doi.org/10.57967/hf/8853}
}

APA

Persadh, D.R. (2026). DFQS-IQ1_S-XL: Ultra-Low-Bit MoE Deployment Standard (IQ1_S-XL) [persadian/DeepSeek-V4-Flash-IQ1_S-XL.gguf]. Hugging Face. https://doi.org/10.57967/hf/8853

18. DFQS DEPLOYMENT EFFICIENCY CONTEXT

This model’s compression architecture reduces inference resource requirements relative to standard MoE deployments.

Carbon offset and reduced compute footprint are secondary outcomes of constrained-memory design.

Total CO2 offset: 20 kg · Offset Project Code: 9184338 This model is part of sustainable AI practices.

ENVIRONMENTAL IMPACT

This model's development and hosting have been carbon-offset through reforestation initiatives. Carbon Neutral label

19. FINAL STATEMENT

This repository defines a DFQS-compliant deployment boundary for constrained Mixture-of-Experts inference systems.


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