mlemanczyk/even-perfect-numbers-scanner
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106 Commits
Author SHA1 Message Date
mlemanczyk 1b3882addc PrimeOrderCalculator.PartialFactorCpu variables optimized. Removed constant parameter from AddFactorToCollector. 2025-12-13 15:36:32 +01:00
mlemanczyk 079b2d5b72 PartialFactorPendingEntry changed back to struct for better performance. 2025-12-13 14:28:01 +01:00
mlemanczyk a185149eba PrimeOrderCalculator.PartiaFactorCpu optimized to use one-time allocation list and stack. 2025-12-13 14:21:37 +01:00
mlemanczyk ec080ade7f PendingEntry renamed to PartialFactorPendingEntry and moved to its own file. PrimeOrderCalculator.PartialFactor partially optimized to use fixed buffers factors & exponents. 2025-12-13 05:11:02 +01:00
mlemanczyk 8fbe248a49 Revert "Reusable buffers introduced." 
This reverts commit 39a66fdef1.
 2025-12-13 04:17:30 +01:00
mlemanczyk 39a66fdef1 Reusable buffers introduced. 2025-12-13 04:16:05 +01:00
mlemanczyk 260aa19e44 Pools renamed to FixedCapacityPools. Other fixed capacity collections added. Queues, concurrent queues and standard stacks replaced with fixed capacity stacks. MethodImplOptions.AggressiveInlining and .AggressiveOptimization added to simple methods and getters / setters. Variables optimized in few places. 2025-12-11 21:10:19 +01:00
mlemanczyk 131b3265bc PrimeOrderCalculator.Cpu cleaned up - hybrid & GPU related methods moved to their corresponding files. 2025-12-11 00:00:12 +01:00
mlemanczyk 05d3061c47 MethodImplOptions.AggressiveOptimization & MethodImplOptions.AggressiveInlining optimized. Small optimizations. 2025-12-10 19:59:51 +01:00
mlemanczyk 7a242b3bfa PrimeOrderCalculator.PartialFactorCpu simplified to work only with spans and throw exception if the number of factors is exceeded. PrimeOrderMode removed in favor of bool flag. 2025-12-10 12:47:25 +01:00
mlemanczyk 72890bf343 Dictionary and List pooling added in PrimeOrderCalculator.Cpu. 2025-12-08 21:03:25 +01:00
mlemanczyk f7dbc017a9 Modulo operators replaced with steppers, where possible. 2025-12-08 20:57:47 +01:00
mlemanczyk cf5bd6bc1a PendingEntry.WithPrimality changed to modify the instance instead of creating a new one. 2025-12-05 15:51:16 +01:00
mlemanczyk 85a90c70bf --gpu-ration command-line argument added. AscendingDivisorRemainderStepper implemented in PrimeTester.IsPrimeCpu. PrimeOrderCalculator.RunOnCpu adjusted for low GPU ratios to prevent infinite increase of the counter. 2025-12-02 23:36:18 +01:00
mlemanczyk 941733905b Hybrid device mode implemented as the current --mersenne=bydivisor CPU execution path. CPU path is now limited to CPU calculations, only. 2025-12-01 03:45:39 +01:00
mlemanczyk c3254e3fda Temporary restored delegating all work to CPU in CPU mode in preparation for a branch-less split. 2025-11-30 15:40:03 +01:00
mlemanczyk 6a1198c417 CPU vs GPU work delegation adjusted to better utilize CPU. 2025-11-29 12:09:33 +01:00
mlemanczyk c311b27dcc Prime testing using divisor tables depending on the last digit separated to its own class. PrimeTester switched back to standard endings. 2025-11-27 16:45:02 +01:00
mlemanczyk a296e62d4d --min-k command-line argument added. Partial factoring switched back to CPU. 2025-11-26 22:03:52 +01:00
mlemanczyk 13498dc460 Most device buffers integrated into PrimeOrderCalculatorAccelerator. PrimeOrderCalculator switched to partial factoring on GPU. 2025-11-26 03:16:39 +01:00
mlemanczyk b9ca95bf8c PrimeOrderCalculatorAccelerator.Rent is now created outside of the loops and re-used for all calculations. 2025-11-24 22:51:53 +01:00
mlemanczyk 070e2a14fd MontgomeryDivisorData converted to a pooled class to limit GC pressure. MontgomeryDivisorDataGpu added for GPU operations. PrimeOrderCalculator kernels precompiled during warmup. 2025-11-24 15:14:31 +01:00
mlemanczyk 6d1ff1372e Factoring switched to PrimeTester.IsPrime for the best performance. PrimeOrderCalculator.PartialFactor switched to GPU factorization. Every so often it will send work to GPU instead of CPU. BatchedResources renamed to MersenneNumberDivisorByDivisorAccelerator for consistency and moved to its own file. It now uses array instead of dictionary for lookup free performance. 2025-11-23 00:07:03 +01:00
mlemanczyk 54fdff0a4e GPU calculations frequency adjusted 2025-11-19 21:38:07 +01:00
mlemanczyk 5cac51479e GPU memory allocations protected with lock to prevent shared memory access issues. GPU usage limited for the best performance. 2025-11-19 16:49:01 +01:00
mlemanczyk 02d16bf05c Tiny cleanup 2025-11-18 06:02:43 +01:00
mlemanczyk 801b1be3e3 Cleanup 2025-11-18 04:22:39 +01:00
mlemanczyk 342eff2726 GpuKernelPool.GetOrAddKernels removed in --mersenne=bydivisor mode. PartialFactorResult.WithAdditionalPrime will now modify the current instance instead of creating new copy for better performance. SmallPrimeFactorViews renamed to SmallPrimeFactorGpuTables for consistency with other static tables. 2025-11-17 23:33:59 +01:00
mlemanczyk f630bfb598 HeuristicCombinedPrimeTesterAccelerator integrated with PrimeOrderCalculatorAccelerator. 2025-11-17 17:38:23 +01:00
mlemanczyk 183b147135 Heuristic tables split into 2 groups 2025-11-17 16:04:27 +01:00
mlemanczyk 0540411cad Accelerator index added for dictionary-less use-cases 2025-11-15 02:21:45 +01:00
mlemanczyk 42447c4e43 BinaryGcd switched to the best performing variant according to benchmarks. 2025-11-14 11:43:16 +01:00
mlemanczyk 0d2a88c45f GpuPrimeWorkLimiter.Acquire() / .Release() removed to save time on the hot-path with billions of calls. We'll rely on AcceleratorStreamPool limits and synchronization. 2025-11-13 17:52:13 +01:00
mlemanczyk c53aa517f7 GpuScratchBuffer / -Pool naively integrated with PriemOrderCalculatorAccelerator (formerly Pow2MontgomeryAccelerator). FactorEntry replaced with 2 arrays - unused field removed. Small cleanup. 2025-11-13 14:41:27 +01:00
mlemanczyk 43863d03fb Performance improvements 2025-11-13 00:51:32 +01:00
mlemanczyk 5bc65464d0 Initial PollardRho implementation for GPU. Added pool for accelerator streams shared across the threads. GPU processing performance and stabilization improvements. GpuUInt128.BinaryGcd switched to the version which outperformed other in benchmarks. 2025-11-12 21:18:30 +01:00
mlemanczyk fdc2da7dae Accelerator leak fixed. 2025-11-11 16:40:44 +01:00
mlemanczyk cf5f78c2ef PrimeTesterByLastDigitAccelerator integrated into Pow2MontgomeryGpuCalculator for better performance. 2025-11-11 13:36:21 +01:00
mlemanczyk fa89958736 Stabilization improvements. Stream will be released when releasing GPU lease to prevent application crashes. 2025-11-10 14:30:30 +01:00
mlemanczyk d0b1639a5d GPU stabilization improvements to prevent calculation crashes 2025-11-09 21:52:16 +01:00
Marek Lemańczyk 4c4d4243fb Merge remote-tracking branch 'github/codex/optimize-evenperfectbitscanner-for-static-arrays-khd9w8' into work 
# Conflicts:
#	PerfectNumbers.Core/Gpu/GpuContextPool.cs
#	PerfectNumbers.Core/Gpu/GpuKernelLease.cs
#	PerfectNumbers.Core/Gpu/GpuKernelPool.cs
#	PerfectNumbers.Core/Gpu/GpuStaticTableInitializer.cs
#	PerfectNumbers.Core/Gpu/Kernels/PrimeOrderSpecialMaxKernels.cs
#	PerfectNumbers.Core/PrimeOrderCalculator.Cpu.cs
#	PerfectNumbers.Core/PrimeOrderCalculator.Gpu.cs
#	PerfectNumbers.Core/PrimeTester.cs
 2025-11-03 23:59:12 +01:00
Marek Lemańczyk 76dfe108a9 Address feedback on GPU pooling and heuristic factoring 2025-11-02 11:22:49 +01:00
Marek Lemańczyk 5339c3c304 Use span growth instead of dictionaries in partial factor 2025-11-02 11:22:38 +01:00
mlemanczyk 2281d9535e Revert "Merge pull request #251 from mlemanczyk/codex/refactor-prime-checking-on-gpu-n5t2pm" 
This reverts commit 936ce239db, reversing
changes made to e14b77e504.
 2025-11-02 11:22:14 +01:00
Marek Lemańczyk 8c662c5c85 Address feedback on GPU pooling and heuristic factoring 2025-10-31 21:47:42 +01:00
Marek Lemańczyk 567b92792c Use span growth instead of dictionaries in partial factor 2025-10-31 18:52:00 +01:00
mlemanczyk fc5700f82c IsPrime with cancellation token removed. 2025-10-29 22:31:28 +01:00
mlemanczyk 0850227881 Switched to heuristic GPU for a better performance than the standard one. 2025-10-28 22:15:33 +01:00
mlemanczyk ab045a62c4 Revert "Temporarily enabling heuristic GPU order checks." 
This reverts commit 4db06cfe80.
 2025-10-28 21:04:09 +01:00
mlemanczyk 4db06cfe80 Temporarily enabling heuristic GPU order checks. 2025-10-28 20:49:41 +01:00