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34 lines
1.3 KiB
Plaintext
34 lines
1.3 KiB
Plaintext
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SHORT Single Precision MFLOP/s
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EVENTSET
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FIXC0 INSTR_RETIRED_ANY
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FIXC1 CPU_CLK_UNHALTED_CORE
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FIXC2 CPU_CLK_UNHALTED_REF
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PMC0 FP_COMP_OPS_EXE_SSE_FP_PACKED_SINGLE
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PMC1 FP_COMP_OPS_EXE_SSE_FP_SCALAR_SINGLE
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PMC2 SIMD_FP_256_PACKED_SINGLE
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METRICS
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Runtime (RDTSC) [s] time
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Runtime unhalted [s] FIXC1*inverseClock
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Clock [MHz] 1.E-06*(FIXC1/FIXC2)/inverseClock
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CPI FIXC1/FIXC0
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SP [MFLOP/s] 1.0E-06*(PMC0*4.0+PMC1+PMC2*8.0)/time
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AVX SP [MFLOP/s] 1.0E-06*(PMC2*8.0)/time
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Packed [MUOPS/s] 1.0E-06*(PMC0+PMC2)/time
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Scalar [MUOPS/s] 1.0E-06*PMC1/time
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Vectorization ratio 100*(PMC0+PMC2)/(PMC0+PMC1+PMC2)
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LONG
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Formulas:
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SP [MFLOP/s] = 1.0E-06*(FP_COMP_OPS_EXE_SSE_FP_PACKED*4+FP_COMP_OPS_EXE_SSE_FP_SCALAR+SIMD_FP_256_PACKED_SINGLE*8)/runtime
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AVX SP [MFLOP/s] = 1.0E-06*(SIMD_FP_256_PACKED_SINGLE*8)/runtime
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Packed [MUOPS/s] = 1.0E-06*(FP_COMP_OPS_EXE_SSE_FP_PACKED_SINGLE+SIMD_FP_256_PACKED_SINGLE)/runtime
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Scalar [MUOPS/s] = 1.0E-06*FP_COMP_OPS_EXE_SSE_FP_SCALAR_SINGLE/runtime
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Vectorization ratio = 100*(FP_COMP_OPS_EXE_SSE_FP_PACKED_SINGLE+SIMD_FP_256_PACKED_SINGLE)/(FP_COMP_OPS_EXE_SSE_FP_SCALAR_SINGLE+FP_COMP_OPS_EXE_SSE_FP_PACKED_SINGLE+SIMD_FP_256_PACKED_SINGLE)
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-
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SSE scalar and packed single precision FLOP rates. Please note that the current
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FLOP measurements on IvyBridge are potentially wrong.
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So you cannot trust these counters at the moment!
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