RDRAND (R64) - Throughput and Uops (IACA 3.0)
With 1 independent instruction
Throughput Analysis Report
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Block Throughput: 0.97 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 33
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 | 1.0 0.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | 0.0 | 1.0 | 1.0 | 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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| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r8
Total Num Of Uops: 5
With 13 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 12.95 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 22
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 | 13.0 0.0 | 13.0 | 6.5 6.5 | 6.5 6.5 | 0.0 | 13.0 | 13.0 | 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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| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r8
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r9
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r10
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r11
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r12
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r13
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r14
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand rbx
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand rcx
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand rdx
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand rdi
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand rsi
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand rbp
Total Num Of Uops: 65