Constant: Pi
Algorithm: Chudnovsky (1988)
Decimal Digits: 10,000,000,000
Hexadecimal Digits: Disabled
Computation Mode: Ram Only
Multi-Threading: Cilk Plus Work-Stealing -> 256 / 256
Start Time: Mon May 3 06:50:40 2021
Working Memory… 46.5 GiB (locked, spread: 99%/2)
Twiddle Tables… 286 MiB (locked, spread: 100%/2)
Begin Computation:
Series CommonP2B3… 705,136,706 terms (Expansion Factor = 2.911)
Time: 93.750 seconds ( 1.563 minutes )
Large Division…
Time: 5.047 seconds ( 0.084 minutes )
InvSqrt(10005)…
Time: 3.153 seconds ( 0.053 minutes )
Large Multiply…
Time: 1.821 seconds ( 0.030 minutes )
Pi: 103.779 seconds ( 1.730 minutes )
Base Converting:
Time: 6.909 seconds ( 0.115 minutes )
Writing Decimal Digits:
Time: 2.619 seconds ( 0.044 minutes )
Start Time: Mon May 3 06:50:40 2021
End Time: Mon May 3 06:53:33 2021
Total Computation Time: 110.690 seconds ( 1.845 minutes )
Start-to-End Wall Time: 173.149 seconds ( 2.886 minutes )
CPU Utilization: 22285.04 % + 529.88 % kernel overhead
Multi-core Efficiency: 87.05 % + 2.07 % kernel overhead
Last Decimal Digits: Pi
9763261541 1423749758 2083180752 2573977719 9605119144 : 9,999,999,950
9403994581 8580686529 2375008092 3106244131 4758821220 : 10,000,000,000
Spot Check: Good through 10,000,000,000
Version: 0.7.8.9507 (Windows/19-ZN2 ~ Kagari)
Processor(s): AMD EPYC 7742 64-Core Processor
Topology: 256 threads / 128 cores / 2 sockets / 4 NUMA nodes
Physical Memory: 549,755,813,888 ( 512 GiB)
CPU Base Frequency: 2,250,043,200 Hz
Validation File: Pi – 20210503-065404.txt
C:\Users\w10\Desktop\y-cruncher v0.7.8.9507>
amd epyc 7742 x2 win10 pro pi 100憶桁 benchmark 103.779 sec
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