 |  |  |  | | What´s New in version 27.3:
- 64-bit optimizations for AVX-capable computers. Single core benchmarks on Intel Sandy
Bridge computers should see a decent speed increase. However, running on 4 cores
runs into main memory bandwidth bottleneck. Sandy Bridge-E CPUs with 4 memory channels
should avoid this problem.
What's New in version 26.6:
- For rare cases where the program cannot figure out the number of cores and hyperthreading,
the NumPhysicalCores option may help. See undoc.txt.
- Faster FFT implementations are now selected for Core 2 CPUs with 1MB L2 cache or less
(marketed under the Celeron and Pentium label).
- New, slightly higher, trial factoring breakeven points.
What's New in version 26.5:
- Minor bug fixes.
- Starting in build 2, P-1 work will display the chance of finding a factor.
The worktodo.txt line must include how_far_factored using the new syntax:
Pminus1=k,b,n,c,B1,B2[,how_far_factored][,B2_start][,"factors"]
- Starting with build 3, at startup the program tries to determine which
hyperthreaded logical CPUs comprise one physical CPU. If this isn't working
properly, see the AffinityScramble2 setting in undoc.txt. The previous
version's AffinityScramble setting is no longer supported
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