VPHADDD (YMM, YMM, YMM) - Port Usage (IACA 2.2)
With blocking instructions for port '1':
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Port1
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 10.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 3.0 | 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 | | | | | | | CP | pdep r8d, r9d, r10d
| 1 | | 1.0 | | | | | | | CP | pdep r11d, r9d, r10d
| 1 | | 1.0 | | | | | | | CP | pdep r12d, r9d, r10d
| 1 | | 1.0 | | | | | | | CP | pdep ebx, r9d, r10d
| 1 | | 1.0 | | | | | | | CP | pdep ecx, r9d, r10d
| 1 | | 1.0 | | | | | | | CP | pdep edx, r9d, r10d
| 1 | | 1.0 | | | | | | | CP | pdep r8d, r9d, r10d
| 1 | | 1.0 | | | | | | | CP | pdep r11d, r9d, r10d
| 1 | | 1.0 | | | | | | | CP | pdep r12d, r9d, r10d
| 1 | | 1.0 | | | | | | | CP | pdep ebx, r9d, r10d
| 3 | | | | | | 3.0 | | | | vphaddd ymm0, ymm1, ymm2
Total Num Of Uops: 13
With blocking instructions for port '5':
Throughput Analysis Report
--------------------------
Block Throughput: 12.00 Cycles Throughput Bottleneck: Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 1.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 12.0 | 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 | | | CP | movd mmx0, r8d
| 1 | | | | | | 1.0 | | | CP | movd mmx1, r8d
| 1 | | | | | | 1.0 | | | CP | movd mmx2, r8d
| 1 | | | | | | 1.0 | | | CP | movd mmx3, r8d
| 1 | | | | | | 1.0 | | | CP | movd mmx4, r8d
| 1 | | | | | | 1.0 | | | CP | movd mmx5, r8d
| 1 | | | | | | 1.0 | | | CP | movd mmx6, r8d
| 1 | | | | | | 1.0 | | | CP | movd mmx7, r8d
| 1 | | | | | | 1.0 | | | CP | movd mmx0, r8d
| 1 | | | | | | 1.0 | | | CP | movd mmx1, r8d
| 3 | | 1.0 | | | | 2.0 | | | CP | vphaddd ymm0, ymm1, ymm2
Total Num Of Uops: 13
⇨ 2 μops that can only use port '5'
With blocking instructions for ports {'0', '1'}:
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Dependency chains (possibly between iterations)
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 | 3.0 | 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 | | | | | | | | CP | vfmadd132pd xmm3, xmm4, xmm5
| 1 | | 1.0 | | | | | | | CP | vfmadd132pd xmm6, xmm4, xmm5
| 1 | 1.0 | | | | | | | | | vfmadd132pd xmm7, xmm4, xmm5
| 1 | | 1.0 | | | | | | | | vfmadd132pd xmm8, xmm4, xmm5
| 1 | 1.0 | | | | | | | | | vfmadd132pd xmm9, xmm4, xmm5
| 1 | | 1.0 | | | | | | | | vfmadd132pd xmm10, xmm4, xmm5
| 1 | 1.0 | | | | | | | | | vfmadd132pd xmm11, xmm4, xmm5
| 1 | | 1.0 | | | | | | | | vfmadd132pd xmm12, xmm4, xmm5
| 1 | 1.0 | | | | | | | | CP | vfmadd132pd xmm3, xmm4, xmm5
| 1 | | 1.0 | | | | | | | CP | vfmadd132pd xmm6, xmm4, xmm5
| 3 | | | | | | 3.0 | | | | vphaddd ymm0, ymm1, ymm2
Total Num Of Uops: 13
With blocking instructions for ports {'1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 6.50 Cycles Throughput Bottleneck: Port1, Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 6.5 | 0.0 0.0 | 0.0 0.0 | 0.0 | 6.5 | 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 | | | | | | | CP | lea r8w, ptr [r14]
| 1 | | 0.5 | | | | 0.5 | | | CP | lea r9w, ptr [r14]
| 1 | | 0.5 | | | | 0.5 | | | CP | lea r10w, ptr [r14]
| 1 | | 0.5 | | | | 0.5 | | | CP | lea r11w, ptr [r14]
| 1 | | 0.5 | | | | 0.5 | | | CP | lea r12w, ptr [r14]
| 1 | | 0.5 | | | | 0.5 | | | CP | lea bx, ptr [r14]
| 1 | | 0.5 | | | | 0.5 | | | CP | lea cx, ptr [r14]
| 1 | | 0.5 | | | | 0.5 | | | CP | lea dx, ptr [r14]
| 1 | | 0.5 | | | | 0.5 | | | CP | lea r8w, ptr [r14]
| 1 | | 0.5 | | | | 0.5 | | | CP | lea r9w, ptr [r14]
| 3 | | 1.0 | | | | 2.0 | | | CP | vphaddd ymm0, ymm1, ymm2
Total Num Of Uops: 13
⇨ One μop that can only use ports {'1', '5'}