ZCC Community
ZCC Commercial
ZCC FuSa
Core Features
✓
✓
✓
Optimization
✓
✓
✓
Customization
✗
Custom instruction support and performance optimization
Custom instruction support and performance optimization
Functional Safety
✗
✗
ISO 26262 certification and functional safety package
License
Free non-commercial use
Tailored commercial license
Tailored commercial license
Support
Developer forum
Technical support
Technical support
ZCC Performance on RISC-V Cores
Benchmark results demonstrate the ZCC 4.0.0 toolchain's ability to optimize system performance across hardware platforms from multiple RISC-V partners, including Andes, HPMicro, Nuclei and XuanTie. Compared to the open-source GNU GCC 14.2.0 toolchain:
ZCC 4.0.0 can deliver an average performance improvement of 22% and a 20% better code density on CoreMark;
ZCC 4.0.0 can deliver an average performance improvement of 35% and a 42% better code density on the Dhrystone benchmark, under ground rules.


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