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21 lines
641 B
Plaintext
21 lines
641 B
Plaintext
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SHORT VPU pairing ratio
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EVENTSET
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PMC0 VPU_INSTRUCTIONS_EXECUTED
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PMC1 VPU_INSTRUCTIONS_EXECUTED_V_PIPE
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METRICS
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Runtime (RDTSC) [s] time
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V-pipe ratio PMC1/PMC0
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Pairing ratio PMC1/(PMC0-PMC1)
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LONG
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Formulas:
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V-pipe ratio = VPU_INSTRUCTIONS_EXECUTED_V_PIPE/VPU_INSTRUCTIONS_EXECUTED
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Pairing ratio = VPU_INSTRUCTIONS_EXECUTED_V_PIPE/(VPU_INSTRUCTIONS_EXECUTED-VPU_INSTRUCTIONS_EXECUTED_V_PIPE)
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--
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This performance group measures the pairing ratio of vector instructions. The
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V-pipe can only execute a subset of all instruction, the main workload is done
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by the U-pipe. A higher throughput can be achieved if the pairing ratio is
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increased.
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