VGATHERQPD (YMM, VSIB_YMM, YMM) - Throughput and Uops (IACA 2.2)
With 1 independent instruction
Throughput Analysis Report
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Block Throughput: 8.80 Cycles Throughput Bottleneck: Dependency chains (possibly between iterations)
Port Binding In Cycles Per Iteration:
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| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
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| Cycles | 5.0 0.0 | 4.4 | 2.0 2.0 | 2.0 2.0 | 0.0 | 4.6 | 4.0 | 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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| 22 | 5.0 | 4.4 | 2.0 2.0 | 2.0 2.0 | | 4.6 | 4.0 | | CP | vgatherqpd ymm0, ymmword ptr [r14+ymm14*1], ymm1
Total Num Of Uops: 22
With 6 independent instructions
Throughput Analysis Report
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Block Throughput: 42.00 Cycles Throughput Bottleneck: FrontEnd (bubbles)
Port Binding In Cycles Per Iteration:
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| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
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| Cycles | 30.0 0.0 | 27.0 | 12.0 12.0 | 12.0 12.0 | 0.0 | 27.0 | 24.0 | 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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| 22 | 5.0 | 4.0 | 2.0 2.0 | 2.0 2.0 | | 5.0 | 4.0 | | | vgatherqpd ymm0, ymmword ptr [r14+ymm14*1], ymm1
| 22 | 5.0 | 5.0 | 2.0 2.0 | 2.0 2.0 | | 4.0 | 4.0 | | | vgatherqpd ymm2, ymmword ptr [r14+ymm14*1+0x8], ymm3
| 22 | 5.0 | 4.0 | 2.0 2.0 | 2.0 2.0 | | 5.0 | 4.0 | | | vgatherqpd ymm4, ymmword ptr [r14+ymm14*1+0x10], ymm5
| 22 | 5.0 | 5.0 | 2.0 2.0 | 2.0 2.0 | | 4.0 | 4.0 | | | vgatherqpd ymm6, ymmword ptr [r14+ymm14*1+0x18], ymm7
| 22 | 5.0 | 4.0 | 2.0 2.0 | 2.0 2.0 | | 5.0 | 4.0 | | | vgatherqpd ymm8, ymmword ptr [r14+ymm14*1+0x20], ymm9
| 22 | 5.0 | 5.0 | 2.0 2.0 | 2.0 2.0 | | 4.0 | 4.0 | | | vgatherqpd ymm10, ymmword ptr [r14+ymm14*1+0x28], ymm11
Total Num Of Uops: 132
With the -no_interiteration flag
Throughput Analysis Report
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Block Throughput: 7.95 Cycles Throughput Bottleneck: FrontEnd (bubbles)
Port Binding In Cycles Per Iteration:
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| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
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| Cycles | 5.0 0.0 | 4.4 | 2.0 2.0 | 2.0 2.0 | 0.0 | 4.6 | 4.0 | 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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| 22 | 5.0 | 4.4 | 2.0 2.0 | 2.0 2.0 | | 4.6 | 4.0 | | | vgatherqpd ymm0, ymmword ptr [r14+ymm14*1], ymm1
Total Num Of Uops: 22