RDRAND (R32) - Throughput and Uops (IACA 3.0)
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 0.97 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 33
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | 0.0 | 1.0 | 1.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r8d
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:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 13.0 0.0 | 13.0 | 6.5 6.5 | 6.5 6.5 | 0.0 | 13.0 | 13.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r8d
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r9d
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r10d
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r11d
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r12d
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r13d
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand r14d
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand ebx
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand ecx
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand edx
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand edi
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand esi
| 5^ | 1.0 | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 1.0 | | rdrand ebp
Total Num Of Uops: 65