Particles multithread performance improvement petition

Blender Particles CPU Benchmark v1.0
CPU: Intel i5 4440 3.1Ghz 4 cores 4 threads
OS: Window 7 64bit
Blender: 2.78c
Time: 05:00.57

CPU: AMD Ryzen 7 1700 3.0Ghz 8 cores 16 threads
OS: Window 10 Pro 64bit
Blender: 2.78c
Time: 06:51.80 (first benchmark)
Time: 04.01.72 (latest benchmark)

Anyone knows how/where to petition/donate specifically at improving blender’s particles?