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2.6 The calculation used for the declaration of the 8 week Aerodynamic Testing Period shall be carried out as below.
TotFLOPS = (MFPPC * CCF * NCU * NSS ) / (604,800 * 8 * 1000)
Where :
TotFLOPS = The total number of TeraFLOPs used per CFD solve run.
MFPPC = Peak double precision floating point operations per cycle per core of the Processing Unit (excluding AVX if declared under 2.5(d) or using natural precision operations under 2.5(e) if the core is not double precision capable).
CCF = Peak Processing Unit clock frequency in GigaHertz achieved during the CFD solver run. This will be the peak frequency theoretically achievable during the run based on one of the following :
a) The standard clock frequency value from the Processing Unit Manufacturer's specification sheet (if overclocking or enhanced modes are not used in the run).
b) The maximum “turbo”, “HPC” or other enhanced mode frequency value.
c) The maximum overclocked frequency value.
NCU = Number of Processing Unit cores used for the run.
NSS = Number of solver wall clock seconds elapsed during the run. NB Message passing time during calculation should be included.
All information required for auditing should be present in the output from the run including the CCF value.
For the avoidance of doubt, any offload processing for example FPU, FPGA, GPU/GPGPU, VFP, softfp etc. should be included and calculated using the same method as above.
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