CMOVB (R32, R32) - Port Usage (IACA 2.3)
With blocking instructions for ports {'0', '1'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.00 Cycles Throughput Bottleneck: Backend. Port0, Port1
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 5.0 0.0 | 5.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 2.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | lea r10w, ptr [r14]
| 1 | | 1.0 | | | | | CP | lea r11w, ptr [r14]
| 1 | 1.0 | | | | | | CP | lea r12w, ptr [r14]
| 1 | | 1.0 | | | | | CP | lea bx, ptr [r14]
| 1 | 1.0 | | | | | | CP | lea cx, ptr [r14]
| 1 | | 1.0 | | | | | CP | lea dx, ptr [r14]
| 1 | 1.0 | | | | | | CP | lea r10w, ptr [r14]
| 1 | | 1.0 | | | | | CP | lea r11w, ptr [r14]
| 1 | 1.0 | | | | | | CP | lea r12w, ptr [r14]
| 1 | | 1.0 | | | | | CP | lea bx, ptr [r14]
| 2 | | | | | | 2.0 | | cmovb r8d, r9d
Total Num Of Uops: 12
With blocking instructions for ports {'0', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.50 Cycles Throughput Bottleneck: Backend. Port0, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 5.5 0.0 | 1.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 5.5 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm0, xmm1, 0x2
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm2, xmm1, 0x2
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm3, xmm1, 0x2
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm4, xmm1, 0x2
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm5, xmm1, 0x2
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm6, xmm1, 0x2
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm7, xmm1, 0x2
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm8, xmm1, 0x2
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm9, xmm1, 0x2
| 1 | 0.5 | | | | | 0.5 | CP | blendpd xmm10, xmm1, 0x2
| 2 | 0.5 | 1.0 | | | | 0.5 | CP | cmovb r8d, r9d
Total Num Of Uops: 12
⇨ One μop that can only use ports {'0', '5'}
With blocking instructions for ports {'1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.00 Cycles Throughput Bottleneck: Backend. Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 2.0 0.0 | 5.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 5.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | 1.0 | | | | | CP | pabsb mmx0, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx2, mmx1
| 1 | | 1.0 | | | | | CP | pabsb mmx3, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx4, mmx1
| 1 | | 1.0 | | | | | CP | pabsb mmx5, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx6, mmx1
| 1 | | 1.0 | | | | | CP | pabsb mmx7, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx0, mmx1
| 1 | | 1.0 | | | | | CP | pabsb mmx2, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx3, mmx1
| 2 | 2.0 | | | | | | | cmovb r8d, r9d
Total Num Of Uops: 12
With blocking instructions for ports {'0', '1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.00 Cycles Throughput Bottleneck: Backend. Port0, Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 4.0 0.0 | 4.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 4.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | movq xmm0, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm2, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm3, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm4, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm5, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm6, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm7, xmm1
| 1 | | 1.0 | | | | | CP | movq xmm8, xmm1
| 1 | | | | | | 1.0 | CP | movq xmm9, xmm1
| 1 | 1.0 | | | | | | CP | movq xmm10, xmm1
| 2 | | 1.0 | | | | 1.0 | CP | cmovb r8d, r9d
Total Num Of Uops: 12
⇨ One μop that can only use ports {'0', '1', '5'}