VZEROUPPER - Port Usage (IACA 2.2)
With blocking instructions for port '0':
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Port0
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 10.0 0.0 | 1.3 | 0.0 0.0 | 0.0 0.0 | 0.0 | 1.4 | 1.4 | 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 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
| 4 | | 1.3 | | | | 1.4 | 1.4 | | | vzeroupper
Total Num Of Uops: 14
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 | 1.3 0.0 | 10.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 1.4 | 1.4 | 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
| 4 | 1.3 | | | | | 1.4 | 1.4 | | | vzeroupper
Total Num Of Uops: 14
With blocking instructions for port '5':
Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles Throughput Bottleneck: Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 1.3 0.0 | 1.4 | 0.0 0.0 | 0.0 0.0 | 0.0 | 10.0 | 1.4 | 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
| 4 | 1.3 | 1.4 | | | | | 1.4 | | | vzeroupper
Total Num Of Uops: 14
With blocking instructions for ports {'0', '1'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.00 Cycles Throughput Bottleneck: Port0, Port1
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 | 2.0 | 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 xmm0, xmm1, xmm2
| 1 | | 1.0 | | | | | | | CP | vfmadd132pd xmm3, xmm1, xmm2
| 1 | 1.0 | | | | | | | | CP | vfmadd132pd xmm4, xmm1, xmm2
| 1 | | 1.0 | | | | | | | CP | vfmadd132pd xmm5, xmm1, xmm2
| 1 | 1.0 | | | | | | | | CP | vfmadd132pd xmm6, xmm1, xmm2
| 1 | | 1.0 | | | | | | | CP | vfmadd132pd xmm7, xmm1, xmm2
| 1 | 1.0 | | | | | | | | CP | vfmadd132pd xmm8, xmm1, xmm2
| 1 | | 1.0 | | | | | | | CP | vfmadd132pd xmm9, xmm1, xmm2
| 1 | 1.0 | | | | | | | | CP | vfmadd132pd xmm10, xmm1, xmm2
| 1 | | 1.0 | | | | | | | CP | vfmadd132pd xmm11, xmm1, xmm2
| 4 | | | | | | 2.0 | 2.0 | | | vzeroupper
Total Num Of Uops: 14
With blocking instructions for ports {'0', '6'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.00 Cycles Throughput Bottleneck: Port0, Port6
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 | 2.0 | 5.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 1 | 1.0 | | | | | | | | CP | rorx r8d, r9d, 0x2
| 1 | | | | | | | 1.0 | | CP | rorx r10d, r9d, 0x2
| 1 | 1.0 | | | | | | | | CP | rorx r11d, r9d, 0x2
| 1 | | | | | | | 1.0 | | CP | rorx r12d, r9d, 0x2
| 1 | 1.0 | | | | | | | | CP | rorx ebx, r9d, 0x2
| 1 | | | | | | | 1.0 | | CP | rorx ecx, r9d, 0x2
| 1 | 1.0 | | | | | | | | CP | rorx edx, r9d, 0x2
| 1 | | | | | | | 1.0 | | CP | rorx r8d, r9d, 0x2
| 1 | 1.0 | | | | | | | | CP | rorx r10d, r9d, 0x2
| 1 | | | | | | | 1.0 | | CP | rorx r11d, r9d, 0x2
| 4 | | 2.0 | | | | 2.0 | | | | vzeroupper
Total Num Of Uops: 14
With blocking instructions for ports {'1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.00 Cycles Throughput Bottleneck: Port1, Port5
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 | 2.0 | 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 | | | | | | 1.0 | | | CP | lea r9w, 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]
| 1 | | 1.0 | | | | | | | CP | lea cx, ptr [r14]
| 1 | | | | | | 1.0 | | | CP | lea dx, ptr [r14]
| 1 | | 1.0 | | | | | | | CP | lea r8w, ptr [r14]
| 1 | | | | | | 1.0 | | | CP | lea r9w, ptr [r14]
| 4 | 2.0 | | | | | | 2.0 | | | vzeroupper
Total Num Of Uops: 14
With blocking instructions for ports {'0', '1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.35 Cycles Throughput Bottleneck: Port0, Port1, Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 4.3 0.0 | 4.3 | 0.0 0.0 | 0.0 0.0 | 0.0 | 4.3 | 3.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm0, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm2, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm3, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm4, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm5, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm6, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm7, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm8, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm9, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm10, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm11, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | | | CP | vmovq xmm12, xmm1
| 4 | 0.3 | 0.3 | | | | 0.3 | 3.0 | | CP | vzeroupper
Total Num Of Uops: 16
⇨ One μop that can only use ports {'0', '1', '5'}
With blocking instructions for ports {'0', '1', '5', '6'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.00 Cycles Throughput Bottleneck: FrontEnd, Port0, Port1, Port5, Port6
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 | 5.0 | 5.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 1 | 1.0 | | | | | | | | CP | mov r8w, 0x100
| 1 | | 1.0 | | | | | | | CP | mov r9w, 0x100
| 1 | | | | | | 1.0 | | | CP | mov r10w, 0x100
| 1 | | | | | | | 1.0 | | CP | mov r11w, 0x100
| 1 | 1.0 | | | | | | | | CP | mov r12w, 0x100
| 1 | | 1.0 | | | | | | | CP | mov bx, 0x100
| 1 | | | | | | 1.0 | | | CP | mov cx, 0x100
| 1 | | | | | | | 1.0 | | CP | mov dx, 0x100
| 1 | 1.0 | | | | | | | | CP | mov r8w, 0x100
| 1 | | 1.0 | | | | | | | CP | mov r9w, 0x100
| 1 | | | | | | 1.0 | | | CP | mov r10w, 0x100
| 1 | | | | | | | 1.0 | | CP | mov r11w, 0x100
| 1 | 1.0 | | | | | | | | CP | mov r12w, 0x100
| 1 | | 1.0 | | | | | | | CP | mov bx, 0x100
| 1 | | | | | | 1.0 | | | CP | mov cx, 0x100
| 1 | | | | | | | 1.0 | | CP | mov dx, 0x100
| 4 | 1.0 | 1.0 | | | | 1.0 | 1.0 | | CP | vzeroupper
Total Num Of Uops: 20
⇨ 3 μops that can only use ports {'0', '1', '5', '6'}