PCLMULQDQ (XMM, XMM, I8) - Port Usage (IACA 2.3)
With blocking instructions for port '0':
Throughput Analysis Report
--------------------------
Block Throughput: 22.00 Cycles Throughput Bottleneck: Backend. Port0
Port Binding In Cycles Per Iteration:
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| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 22.0 0.0 | 0.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 1.0 | 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 | 1.0 | | | | | | | | CP | movd r8d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r9d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r10d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r11d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r12d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd ebx, mmx0
| 1 | 1.0 | | | | | | | | CP | movd ecx, mmx0
| 1 | 1.0 | | | | | | | | CP | movd edx, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r8d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r9d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r10d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r11d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r12d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd ebx, mmx0
| 1 | 1.0 | | | | | | | | CP | movd ecx, mmx0
| 1 | 1.0 | | | | | | | | CP | movd edx, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r8d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r9d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r10d, mmx0
| 1 | 1.0 | | | | | | | | CP | movd r11d, mmx0
| 3 | 2.0 | | | | | 1.0 | | | CP | pclmulqdq xmm0, xmm1, 0x2
Total Num Of Uops: 23
⇨ 2 μops that can only use port '0'
With blocking instructions for port '5':
Throughput Analysis Report
--------------------------
Block Throughput: 21.00 Cycles Throughput Bottleneck: Backend. Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 2.0 0.0 | 0.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 21.0 | 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 | | | | | | 1.0 | | | CP | aesdec xmm2, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm4, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm5, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm6, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm7, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm8, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm9, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm10, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm11, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm12, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm2, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm4, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm5, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm6, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm7, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm8, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm9, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm10, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm11, xmm3
| 1 | | | | | | 1.0 | | | CP | aesdec xmm12, xmm3
| 3 | 2.0 | | | | | 1.0 | | | CP | pclmulqdq xmm0, xmm1, 0x2
Total Num Of Uops: 23
⇨ One μop that can only use port '5'