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Data Compression IP Core

High-Speed LZ4 Decompressor

A fully synchronous, single-clock streaming decompression core providing 395.37 MB/s qualified throughput at 100 MHz on Artix-7 with zero DSP resource consumption.

At a Glance

395.37 MB/s
Throughput @ 100 MHz
98.84%
Output Utilization
0 DSPs
Fabric Efficiency
AXI4-Stream
Standardized Ports

Resource Utilization & Performance

Qualified Vivado commercial out-of-context (OOC) synthesis results on Artix-7.

Artix-7 Resource Utilization OOC Flow

Logic Cells (LUTs)3,043
Flip-Flops (FFs)2,471
BRAM Tiles (64 KiB History)16
DSP Blocks0
Synthesis Errors0

Performance Metrics 100 MHz Clock

Output Data Width32 bits
Peak Architectural Bandwidth400 MB/s
Measured Qualified Rate395.37 MB/s
Core Logic Depth9 logic levels
Python ValidationTested vs lz4.block

Core Architecture & Features

Interfaces & Control

Standard AXI4-Stream compressed input and decompressed output. Includes AXI4-Lite control registers, status indicators, and performance counters with full ready/valid backpressure support.

Error Safety

Features deterministic malformed-stream error reporting, sticky error status, runtime block-length protection, and automatic recovery protocols after fatal block errors.

Deliverables

Delivered as synthesizable SystemVerilog RTL. Includes integration testbenches, reference 100 MHz XDC constraints, and raw LZ4 block compatibility.

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