VPADDB (YMM, YMM, YMM) - Throughput and Uops (IACA 3.0)
With different registers for different operands
With 1 independent instruction
Throughput Analysis Report
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Block Throughput: 0.33 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 39
Port Binding In Cycles Per Iteration:
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| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 0.3 0.0 | 0.4 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.3 | 0.0 | 0.0 |
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| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
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| 1 | 0.3 | 0.4 | | | | 0.3 | | | vpaddb ymm0, ymm1, ymm2
Total Num Of Uops: 1
With 11 independent instructions
Throughput Analysis Report
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Block Throughput: 3.67 Cycles Throughput Bottleneck: Backend
Loop Count: 24
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 3.7 0.0 | 3.7 | 0.0 0.0 | 0.0 0.0 | 0.0 | 3.7 | 0.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
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| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm0, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm3, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm4, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm5, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm6, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm7, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm8, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm9, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm10, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm11, ymm1, ymm2
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm12, ymm1, ymm2
Total Num Of Uops: 11
With the same register for for different operands
Throughput Analysis Report
--------------------------
Block Throughput: 0.98 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 52
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 0.3 0.0 | 0.3 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.3 | 0.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 1 | 0.3 | 0.3 | | | | 0.3 | | | vpaddb ymm0, ymm0, ymm0
Total Num Of Uops: 1