mlemanczyk/even-perfect-numbers-scanner
1
0 Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Restore initialization guidance comments

Browse Source
This commit is contained in:
Marek Lemańczyk committed 2025-10-18 23:18:11 +02:00
1 parent 98afb3ff9e
commit 8108d973ca
5 files changed
+539 -586
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

EvenPerfectBitScanner/CliArguments.cs
+42
View File
@@ -1,3 +1,4 @@
using System;
using System.Globalization;
using System.Numerics;
using PerfectNumbers.Core;
@@ -560,4 +561,45 @@ internal readonly struct CliArguments
zeroFractionConjecture,
maxZeroConjecture);
}
internal static void PrintHelp()
{
Console.WriteLine("Usage: EvenPerfectBitScanner [options]");
Console.WriteLine();
Console.WriteLine("Options:");
Console.WriteLine(" --prime=<value> starting exponent (p)");
Console.WriteLine(" --max-prime=<value> inclusive upper bound for primes from filter files");
Console.WriteLine(" --increment=bit|add exponent increment method");
Console.WriteLine(" --threads=<value> number of worker threads");
Console.WriteLine(" --block-size=<value> values processed per thread batch");
Console.WriteLine(" --mersenne=pow2mod|incremental|lucas|residue|divisor|bydivisor Mersenne test method");
Console.WriteLine(" --residue-max-k=<value> max k for residue Mersenne test (q = 2*p*k + 1)");
Console.WriteLine(" --mersenne-device=cpu|gpu Device for Mersenne method (default gpu)");
Console.WriteLine(" --primes-device=cpu|gpu Device for prime-scan kernels (default gpu)");
Console.WriteLine(" --gpu-prime-batch=<n> Batch size for GPU primality sieve (default 262144)");
Console.WriteLine(" --order-device=cpu|gpu Device for order computations (default gpu)");
Console.WriteLine(" --ntt=reference|staged GPU NTT backend (default staged)");
Console.WriteLine(" --mod-reduction=auto|uint128|mont64|barrett128 staged NTT reduction (default auto)");
Console.WriteLine(" --gpu-prime-threads=<value> max concurrent GPU prime checks (default 1)");
Console.WriteLine(" --ll-slice=<value> Lucas–Lehmer iterations per slice (default 32)");
Console.WriteLine(" --gpu-scan-batch=<value> GPU q-scan batch size (default 2_097_152)");
Console.WriteLine(" --order-warmup-limit=<value> Warm-up order candidates (default 5_000_000)");
Console.WriteLine(" --rle-blacklist=<path> enable RLE blacklist for p (hard filter up to --rle-hard-max)");
Console.WriteLine(" --rle-hard-max=<p> apply RLE blacklist only for p <= this (default ulong.MaxValue = no limit)");
Console.WriteLine(" --rle-only-last7=true|false apply RLE only when p % 10 == 7 (default true)");
Console.WriteLine(" --zero-hard=<f> hard reject if zero_fraction(p) > f (default off)");
Console.WriteLine(" --zero-conj=<f>:<r> hard reject if zero_fraction(p) > f AND max_zero_block >= r (default off)");
Console.WriteLine(" --results-dir=<path> directory for results file");
Console.WriteLine(" --results-prefix=<text> prefix to prepend to results filename");
Console.WriteLine(" --divisor-cycles=<path> divisor cycles data file");
Console.WriteLine(" --divisor-cycles-device=cpu|gpu device for cycles generation (default gpu)");
Console.WriteLine(" --divisor-cycles-batch=<value> batch size for cycles generation (default 512)");
Console.WriteLine(" --divisor-cycles-continue continue divisor cycles generation");
Console.WriteLine(" --divisor-cycles-limit=<value> cycle search iterations when --mersenne=divisor");
Console.WriteLine(" --use-order test primality via q order");
Console.WriteLine(" --filter-p=<path> process only p from previous run results (required for --mersenne=bydivisor)");
Console.WriteLine(" --write-batch-size=<value> overwrite frequency of disk writes (default 100 lines)");
Console.WriteLine(" --gcd-filter enable early sieve based on GCD");
Console.WriteLine(" --help, -help, --?, -?, /? show this help message");
}
}