PBLENDVB (XMM, XMM) - Port Usage (IACA 3.0)
With blocking instructions for ports {'0', '1'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.95 Cycles Throughput Bottleneck: Backend
Loop Count: 22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 5.0 0.0 | 5.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 2.0 | 0.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 1 | 1.0 | | | | | | | | pabsb xmm3, xmm4
| 1 | | 1.0 | | | | | | | pabsb xmm5, xmm4
| 1 | 1.0 | | | | | | | | pabsb xmm6, xmm4
| 1 | | 1.0 | | | | | | | pabsb xmm7, xmm4
| 1 | 1.0 | | | | | | | | pabsb xmm8, xmm4
| 1 | | 1.0 | | | | | | | pabsb xmm9, xmm4
| 1 | 1.0 | | | | | | | | pabsb xmm10, xmm4
| 1 | | 1.0 | | | | | | | pabsb xmm11, xmm4
| 1 | 1.0 | | | | | | | | pabsb xmm12, xmm4
| 1 | | 1.0 | | | | | | | pabsb xmm3, xmm4
| 2 | | | | | | 2.0 | | | pblendvb xmm1, xmm2
Total Num Of Uops: 12
With blocking instructions for ports {'0', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.95 Cycles Throughput Bottleneck: Backend
Loop Count: 22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 5.0 0.0 | 2.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 5.0 | 0.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 1 | 1.0 | | | | | | | | movq mmx0, mmx1
| 1 | | | | | | 1.0 | | | movq mmx2, mmx1
| 1 | 1.0 | | | | | | | | movq mmx3, mmx1
| 1 | | | | | | 1.0 | | | movq mmx4, mmx1
| 1 | 1.0 | | | | | | | | movq mmx5, mmx1
| 1 | | | | | | 1.0 | | | movq mmx6, mmx1
| 1 | 1.0 | | | | | | | | movq mmx7, mmx1
| 1 | | | | | | 1.0 | | | movq mmx0, mmx1
| 1 | 1.0 | | | | | | | | movq mmx2, mmx1
| 1 | | | | | | 1.0 | | | movq mmx3, mmx1
| 2 | | 2.0 | | | | | | | pblendvb xmm1, xmm2
Total Num Of Uops: 12
With blocking instructions for ports {'1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.95 Cycles Throughput Bottleneck: Backend
Loop Count: 22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 2.0 0.0 | 5.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 5.0 | 0.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 1 | | 1.0 | | | | | | | lea r8w, ptr [r14]
| 1 | | | | | | 1.0 | | | lea r9w, ptr [r14]
| 1 | | 1.0 | | | | | | | lea r10w, ptr [r14]
| 1 | | | | | | 1.0 | | | lea r11w, ptr [r14]
| 1 | | 1.0 | | | | | | | lea r12w, ptr [r14]
| 1 | | | | | | 1.0 | | | lea bx, ptr [r14]
| 1 | | 1.0 | | | | | | | lea cx, ptr [r14]
| 1 | | | | | | 1.0 | | | lea dx, ptr [r14]
| 1 | | 1.0 | | | | | | | lea r8w, ptr [r14]
| 1 | | | | | | 1.0 | | | lea r9w, ptr [r14]
| 2 | 2.0 | | | | | | | | pblendvb xmm1, xmm2
Total Num Of Uops: 12
With blocking instructions for ports {'0', '1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 7.87 Cycles Throughput Bottleneck: Backend
Loop Count: 33
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 4.0 0.0 | 4.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 4.0 | 0.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 1 | 1.0 | | | | | | | | addpd xmm3, xmm4
| 1 | | 1.0 | | | | | | | addpd xmm5, xmm4
| 1 | | | | | | 1.0 | | | addpd xmm6, xmm4
| 1 | 1.0 | | | | | | | | addpd xmm7, xmm4
| 1 | | 1.0 | | | | | | | addpd xmm8, xmm4
| 1 | | | | | | 1.0 | | | addpd xmm9, xmm4
| 1 | 1.0 | | | | | | | | addpd xmm10, xmm4
| 1 | | 1.0 | | | | | | | addpd xmm11, xmm4
| 1 | | | | | | 1.0 | | | addpd xmm12, xmm4
| 1 | 1.0 | | | | | | | | addpd xmm3, xmm4
| 2 | | 1.0 | | | | 1.0 | | | pblendvb xmm1, xmm2
Total Num Of Uops: 12
⇨ 2 μops that can only use ports {'0', '1', '5'}