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31 lines
1.0 KiB
Plaintext
31 lines
1.0 KiB
Plaintext
SHORT Main memory bandwidth in MBytes/s
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EVENTSET
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PMC0 INST_RETIRED
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PMC1 CPU_CYCLES
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PMC2 L2D_CACHE_REFILL
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PMC3 L2D_CACHE_WB
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METRICS
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Runtime (RDTSC) [s] time
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CPI PMC1/PMC0
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Memory read bandwidth [MBytes/s] 1.0E-06*(PMC2)*64.0/time
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Memory read data volume [GBytes] 1.0E-09*(PMC2)*64.0
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Memory write bandwidth [MBytes/s] 1.0E-06*(PMC3)*64.0/time
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Memory write data volume [GBytes] 1.0E-09*(PMC3)*64.0
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Memory bandwidth [MBytes/s] 1.0E-06*(PMC2+PMC3)*64.0/time
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Memory data volume [GBytes] 1.0E-09*(PMC2+PMC3)*64.0
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LONG
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Formulas:
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Memory read bandwidth [MBytes/s] = 1.0E-06*(L2D_CACHE_REFILL)*64.0/runtime
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Memory read data volume [GBytes] = 1.0E-09*(L2D_CACHE_REFILL)*64.0
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Memory write bandwidth [MBytes/s] = 1.0E-06*(L2D_CACHE_WB)*64.0/runtime
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Memory write data volume [GBytes] = 1.0E-09*(L2D_CACHE_WB)*64.0
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Memory bandwidth [MBytes/s] = 1.0E-06*(L2D_CACHE_REFILL+L2D_CACHE_WB)*64.0/runtime
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Memory data volume [GBytes] = 1.0E-09*(L2D_CACHE_REFILL+L2D_CACHE_WB)*64.0
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-
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Profiling group to measure memory bandwidth as initiated by the L2 cache.
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