The Computer Language
Benchmarks Game

Java programs versus C# .NET Core

by benchmark task performance

regex-redux
source secs mem gz cpu cpu load
Java 10.51 573,972 929 31.30 70% 73% 70% 86%
C# .NET Core 30.74 1,483,936 659 110.24 92% 89% 90% 88%
k-nucleotide
source secs mem gz cpu cpu load
Java 8.75 385,056 1812 27.09 85% 72% 70% 85%
C# .NET Core 11.47 189,036 2044 40.36 96% 95% 74% 87%
binary-trees
source secs mem gz cpu cpu load
Java 8.39 933,808 835 28.28 82% 86% 84% 88%
C# .NET Core 8.26 877,360 810 26.13 80% 80% 81% 79%
pidigits
source secs mem gz cpu cpu load
Java 3.13 36,984 938 3.36 4% 4% 99% 3%
C# .NET Core 3.03 35,360 1026 3.03 1% 0% 0% 100%
n-body
source secs mem gz cpu cpu load
Java 22.17 33,040 1489 22.27 100% 1% 0% 1%
C# .NET Core 21.37 34,120 1542 21.36 100% 1% 0% 1%
mandelbrot
source secs mem gz cpu cpu load
Java 6.10 76,520 796 23.59 97% 98% 98% 96%
C# .NET Core 5.83 65,344 794 22.93 99% 98% 98% 99%
reverse-complement
source secs mem gz cpu cpu load
Java 3.15 680,424 2183 7.07 52% 70% 43% 63%
C# .NET Core 2.95 1,032,860 1621 7.17 41% 35% 94% 75%
spectral-norm
source secs mem gz cpu cpu load
Java 4.38 35,388 950 16.80 96% 96% 95% 97%
C# .NET Core 4.07 32,608 878 15.82 99% 97% 97% 97%
fasta
source secs mem gz cpu cpu load
Java 2.27 43,628 2473 5.93 51% 75% 57% 81%
C# .NET Core 2.09 65,216 2098 7.97 95% 99% 95% 95%
fannkuch-redux
source secs mem gz cpu cpu load
Java 18.27 31,820 1282 72.06 99% 99% 98% 98%
C# .NET Core 14.44 32,724 1049 55.77 97% 92% 98% 99%
Java

java 10 2018-03-20
Java(TM) SE Runtime Environment 18.3 (build 10+46)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10+46, mixed mode)

C# .NET Core

2.0.2 a04b4bf512
"System.GC.Server": true