Server-Side Performance

Even without using Fusion's RPC capabilities, you can benefit from Fusion on the server side to cache recurring computations.

Benchmark Results

Below are results from Run-Benchmark.cmd from Fusion Samples:

Local Services:

Test	Result	Speedup
Regular Service	171.05K calls/s
Fusion Service	344.98M calls/s	~2,017x

Remote Services:

Test	Result	Speedup
HTTP Client → Regular Service	102.82K calls/s
HTTP Client → Fusion Service	304.87K calls/s	~3.0x
ActualLab.Rpc Client → Fusion Service	7.82M calls/s	~76x
Fusion Client → Fusion Service	230.16M calls/s	~2,239x

Key Takeaways

• A tiny EF Core-based service exposed via ASP.NET Core serves about 100K requests per second — mostly because its data set fully fits in RAM.
• The same service with Fusion ([ComputeMethod] and Invalidation.Begin calls) boosts this to ~305K requests per second when accessed via HTTP — a ~3x performance boost with minimal code changes.
• Similarly to incremental builds, the more complex your logic is, the more you are expected to gain.

Learn More

• Memory Management — How Fusion manages computed value lifetimes and memory
• ComputedOptions — Configure caching behavior with MinCacheDuration and other options