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21 lines
548 B
Plaintext
21 lines
548 B
Plaintext
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SHORT Vector unit usage
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EVENTSET
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PMC0 VPU_INSTRUCTIONS_EXECUTED
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PMC1 VPU_STALL_REG
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METRICS
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Runtime (RDTSC) [s] time
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Runtime unhalted [s] PMC1*inverseClock
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VPU stall ratio [%] 100*(VPU_STALL_REG/PMC0)
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LONG
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Formulas:
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VPU stall ratio [%] = 100*(VPU_STALL_REG/VPU_INSTRUCTIONS_EXECUTED)
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--
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This group measures how efficient the processor works with
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regard to vectorization instruction throughput. The event VPU_STALL_REG counts
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the VPU stalls due to data dependencies. Dependencies are read-after-write,
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write-after-write and write-after-read.
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