Benchmark Validation File - DO NOT MODIFY! If you do, it will fail validation.

Validation Version:    1.3

Program:               y-cruncher v0.7.8 Build 9506
Tuning:                17-SKX ~ Kotori

User:                  Damien Debin <damien.debin@gmail.com>

Operating System:      Linux 5.4.0-1015-aws x86_64

Processor(s):
    Name:              Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz
    Logical Cores:     96
    Physical Cores:    48
    Sockets:           2
    NUMA Nodes:        2
    Base Frequency:    2,499,944,736 Hz

Motherboard:
    Manufacturer:      Amazon EC2
    Model:             Not Specified
    Version:           Not Specified
    Serial Number:     Suppressed - Personally identifiable information is opt-in only.

Memory:
    Usable Memory:     811,277,414,400 ( 756 GiB)
    Total Memory:      Unable to Detect

Constant:              Sqrt(125)
Algorithm:             Newton's Method
Decimal Digits:        6,000,000,000,000
Hexadecimal Digits:    Disabled
Computation Mode:      Swap Mode
Threading Mode:        Cilk Plus Work-Stealing  ->  192 / 96
Working Memory:        755,003,766,400 ( 703 GiB)
Total Memory:          755,657,825,280 ( 704 GiB)

Logical Largest Checkpoint:    2,491,446,071,264 (2.27 TiB)
Logical Peak Disk Usage:       25,901,449,260,480 (23.6 TiB)
Logical Disk Bytes Read:       254,189,046,516,080 ( 231 TiB)
Logical Disk Bytes Written:    202,570,968,176,208 ( 184 TiB)

Configuration Dump:
{
    Constant : {
        Constant : "sqrt"
        Argument : 125
        Algorithm : "newton"
    }
    ComputeSize : {
        DecimalDigits : 6000000000000
        EnableHexDigits : "false"
    }
    Output : {
        Path : "/mnt/nvme0n1"
        OutputEnable : "true"
        DigitsPerFile : 0
    }
    OutputVerify : "true"
    Mode : "swap"
    Parallelism : {
        TaskDecomposition : 192
        Framework : "cilk"
        WorkerThreads : 96
    }
    Allocator : {
        Allocator : "interleave-libnuma"
        LockedPages : "attempt"
        Nodes : [0 1]
    }
    Memory : 755657825280
    Checkpointing : {
        Enabled : "true"
        PostCheckpointCommand : ""
    }
    FarMemoryTuning : {
        BytesPerSeek : 1048576
        ParallelAccess : "none"
    }
    FarMemoryConfig : {
        Framework : "legacy-r03"
        BufferPerFile : 67108864
        Allocator : {
            Allocator : "interleave-libnuma"
            LockedPages : "attempt"
            Nodes : [0 1]
        }
        RawIO : "true"
        Lanes : [
            {   //  Lane 0
                Type : "raid0"
                Paths : ["/mnt/nvme1n1"]
            }
            {   //  Lane 1
                Type : "raid0"
                Paths : ["/mnt/nvme2n1"]
            }
            {   //  Lane 2
                Type : "raid0"
                Paths : ["/mnt/nvme3n1"]
            }
            {   //  Lane 3
                Type : "raid0"
                Paths : ["/mnt/nvme8n1"]
            }
            {   //  Lane 4
                Type : "raid0"
                Paths : ["/mnt/nvme5n1"]
            }
            {   //  Lane 5
                Type : "raid0"
                Paths : ["/mnt/nvme6n1"]
            }
            {   //  Lane 6
                Type : "raid0"
                Paths : ["/mnt/nvme7n1"]
            }
        ]
    }
}

Start Date:            Sun Jul 19 12:03:04 2020
End Date:              Mon Jul 20 09:03:36 2020

Total Computation Time:    51503.223 seconds
Start-to-End Wall Time:    75631.161 seconds

CPU Utilization:           3391.17 %  +  76.26 % kernel overhead
Multi-core Efficiency:     35.32 %  +  0.79 % kernel overhead

Last Decimal Digits:
6034319452 8180914303 2485623036 4906571266 8603052830  :  5,999,999,999,950
2248944227 6329893013 6517107275 3971583554 2911460348  :  6,000,000,000,000

SHA256-dec(6,000,000,000,001 - 6,000,000,000,100): fe5b661d0711ae222ea1d04504b8a27cfb2c4ae0ba04c6975563244772c27358

Dec Counts: {600000154805,600000770688,599999908469,600000494220,599999459200,600000481353,600000708003,599999249679,599999306666,599999466917}

Dec Hash: Floor(|x| * 10^dec) mod (2^61 - 1) = 408589440892328634

Spot Check:                 Not Available
Timer Sanity Check:         Passed
Frequency Sanity Check:     Disabled in this version of y-cruncher
Reference Clock:            TSC
Reference Clock 0:          0
Reference Clock 1:          122,514,914
Reference Clock 2:          16,777,987
Is Debugger Present:        Unknown
Is Contiguous:              Yes
ECC Recovered Errors:       0
Colors:                     Yes

Event Log:
Sun Jul 19 12:03:05 2020	0.530	Working Memory
Sun Jul 19 12:06:13 2020	188.681	Working Memory:  703 GiB  (locked, spread: 100%/2)
Sun Jul 19 12:06:13 2020	188.681	Twiddle Tables
Sun Jul 19 12:06:13 2020	188.818	Twiddle Tables:  176 MiB  (locked, spread: 99%/2)
Sun Jul 19 12:06:13 2020	188.818	I/O Buffers
Sun Jul 19 12:06:14 2020	189.217	I/O Buffers:  448 MiB  (locked, spread: 100%/2)
Sun Jul 19 12:06:14 2020	189.217	Begin Computation
Sun Jul 19 12:06:14 2020	189.217	InvSqrt
Sun Jul 19 16:44:01 2020	16856.408	Small Multiply
Sun Jul 19 16:53:55 2020	17450.411	Base Converting
Mon Jul 20 02:24:37 2020	51692.442	Writing Decimal Digits
Mon Jul 20 04:11:10 2020	58085.780	Verifying Base Conversion
Mon Jul 20 08:12:15 2020	72550.718	Verifying Decimal Output
Mon Jul 20 09:03:36 2020	75631.161	End Computation

----

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Checksum1: d1b27d620f82d324b07e34de54983e879f03227543f2452840f3abd6dcaae6f3b0f3a0c8a7c8526542e0d1d4061d57c6cd63c60b9fe331349ba25f8add18314d