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  1. chopin1998 chopin1998

    Constant: Pi
    Algorithm: Chudnovsky (1988)

    Decimal Digits: 100,000,000
    Hexadecimal Digits: Disabled

    Computation Mode: Ram Only
    Multi-Threading: Push Pool -> 8 / ? (randomization on)

    Start Time: Thu May 30 15:13:30 2019

    Working Memory... 500 MiB (spread: ?)
    Twiddle Tables... 98.0 MiB (spread: ?)

    Begin Computation:

    Series CommonP2B3... 7,051,378 terms (Expansion Factor = 2.488)
    Time: 6.130 seconds ( 0.102 minutes )
    Large Division...
    Time: 0.381 seconds ( 0.006 minutes )
    InvSqrt(10005)...
    Time: 0.239 seconds ( 0.004 minutes )
    Large Multiply...
    Time: 0.178 seconds ( 0.003 minutes )

    Pi: 6.928 seconds ( 0.115 minutes )

    Base Converting:
    Time: 0.661 seconds ( 0.011 minutes )
    Writing Decimal Digits:
    Time: 7.335 seconds ( 0.122 minutes )

    Start Time: Thu May 30 15:13:30 2019
    End Time: Thu May 30 15:13:45 2019

    Total Computation Time: 7.589 seconds ( 0.126 minutes )
    Start-to-End Wall Time: 15.032 seconds ( 0.251 minutes )

    CPU Utilization: 753.85 % + 1.19 % kernel overhead
    Multi-core Efficiency: 94.23 % + 0.15 % kernel overhead

    Last Decimal Digits: Pi
    9948682556 3967530560 3352869667 7734610718 4471868529 : 99,999,950
    7572203175 2074898161 1683139375 1497058112 0187751592 : 100,000,000

    Spot Check: Good through 100,000,000

    Version: 0.7.7.9501 (Linux/14-BDW ~ Kurumi)
    Processor(s): Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
    Topology: 8 threads / 4 cores / 1 socket / 1 NUMA node
    Usable Memory: 16,711,520,256 (15.6 GiB)
    CPU Base Frequency: 1,992,045,584 Hz

    一亿位计算时间太短， 温度都碰不到墙。

    t480s 同8550u

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