Remarks:

• All Parallel operations run as AsParallel().WithDegreeOfParallelism(4)

TODO:

• Simd version of X25519 cryptography
• Min and max with IEnumerable
• Something with avx?

Changelog:

• 09.01.2021 - Adding SumSse42Vector128 and SumAvx2Vector256 benchmarks.

SumOperation

TODO: Why linq sum so slow?

BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19044.1415 (21H2)
Intel Core i7-4910MQ CPU 2.90GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
.NET SDK=6.0.200-preview.21617.4
  [Host]     : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
  DefaultJob : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT

Method	Mean	Error	StdDev	Allocated
SumFor	301.63 μs	4.190 μs	3.920 μs	-
SumForeach	198.74 μs	2.275 μs	2.017 μs	-
SumLinq	2,240.49 μs	24.771 μs	21.959 μs	34 B
SumParallel	820.70 μs	7.863 μs	6.970 μs	3,762 B
SumSimd	73.14 μs	0.727 μs	0.644 μs	-
SumSse42Vector128	82.37 μs	0.559 μs	0.523 μs	-
SumAvx2Vector256	59.35 μs	0.536 μs	0.501 μs	-

CompareOperation

BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19044.1415 (21H2)
Intel Core i7-4910MQ CPU 2.90GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
.NET SDK=6.0.200-preview.21617.4
  [Host]     : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
  DefaultJob : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT

Method	Mean	Error	StdDev	Gen 0	Gen 1	Allocated
CompareForSuccess	42,874.55 us	383.164 us	319.960 us	-	-	57 B
CompareForFail	43,178.77 us	848.900 us	1,010.555 us	-	-	40 B
CompareSequenceEqualSuccess	33,829.86 us	268.495 us	298.432 us	-	-	34 B
CompareSequenceEqualFail	33,327.22 us	226.438 us	200.731 us	-	-	32 B
CompareSequenceEqualParallelSuccess	12.81 us	0.247 us	0.294 us	6.6833	-	27,009 B
CompareSequenceEqualParallelFail	13.19 us	0.260 us	0.405 us	6.7596	0.0305	27,245 B
CompareSimdSuccess	38,048.60 us	217.637 us	169.917 us	-	-	34 B
CompareSimdFail	37,401.66 us	165.255 us	146.494 us	-	-	34 B

MinOperation

TODO: It run fast only with arrays[], IEnumerable performance are slow.

BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19044.1415 (21H2)
Intel Core i7-4910MQ CPU 2.90GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
.NET SDK=6.0.200-preview.21617.4
  [Host]     : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
  DefaultJob : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT

Method	Mean	Error	StdDev	Allocated
LinqMin	308.17 ms	2.851 ms	2.381 ms	640 B
ParallelLinqMin	70.38 ms	1.745 ms	5.062 ms	3,912 B
SimdMin	20.75 ms	0.088 ms	0.082 ms	16 B

MaxOperation

BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19044.1415 (21H2)
Intel Core i7-4910MQ CPU 2.90GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
.NET SDK=6.0.200-preview.21617.4
  [Host]     : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
  DefaultJob : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT

Method	Mean	Error	StdDev	Median	Allocated
LinqMax	345.30 ms	6.687 ms	7.433 ms	342.50 ms	752 B
ParallelLinqMax	74.43 ms	3.701 ms	10.738 ms	70.77 ms	3,933 B
SimdMax	20.72 ms	0.132 ms	0.117 ms	20.74 ms	16 B