VMASKMOVPD (M256, YMM, YMM) - Port Usage (IACA 2.3)
With blocking instructions for port '0':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: Backend. Port0
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 11.0 0.0 | 0.5 | 0.3 0.0 | 0.3 0.0 | 1.0 | 0.5 | 0.0 | 0.3 |
---------------------------------------------------------------------------------------
| 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^ | 1.0 | 0.5 | 0.3 | 0.3 | 1.0 | 0.5 | | 0.3 | CP | vmaskmovpd ymmword ptr [r14], ymm0, ymm1
Total Num Of Uops: 14
⇨ One μop that can only use port '0'
With blocking instructions for port '4':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: Backend. Port4
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 0.5 | 3.7 0.0 | 3.7 0.0 | 11.0 | 0.5 | 0.0 | 3.7 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x40], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x48], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x50], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x58], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x60], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x68], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x70], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x78], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x80], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x88], r8
| 4^ | 1.0 | 0.5 | 0.3 | 0.3 | 1.0 | 0.5 | | 0.3 | CP | vmaskmovpd ymmword ptr [r14], ymm0, ymm1
Total Num Of Uops: 24
⇨ One μop that can only use port '4'
With blocking instructions for ports {'1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.50 Cycles Throughput Bottleneck: Backend. Port1, Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 5.5 | 0.3 0.0 | 0.3 0.0 | 1.0 | 5.5 | 0.0 | 0.3 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 1 | | 0.5 | | | | 0.5 | | | 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]
| 4^ | 1.0 | 0.5 | 0.3 | 0.3 | 1.0 | 0.5 | | 0.3 | CP | vmaskmovpd ymmword ptr [r14], ymm0, ymm1
Total Num Of Uops: 14
⇨ One μop that can only use ports {'1', '5'}
With blocking instructions for ports {'2', '3', '7'}:
Throughput Analysis Report
--------------------------
Block Throughput: 13.00 Cycles Throughput Bottleneck: Backend. Port4
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 0.5 | 4.3 0.0 | 4.3 0.0 | 13.0 | 0.5 | 0.0 | 4.3 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x40], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x48], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x50], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x58], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x60], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x68], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x70], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x78], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x80], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x88], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x90], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x98], r8
| 4^ | 1.0 | 0.5 | 0.3 | 0.3 | 1.0 | 0.5 | | 0.3 | CP | vmaskmovpd ymmword ptr [r14], ymm0, ymm1
Total Num Of Uops: 28
⇨ One μop that can only use ports {'2', '3', '7'}
With an indexed addressing mode
With blocking instructions for port '0':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: Backend. Port0
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 11.0 0.0 | 0.5 | 0.5 0.0 | 0.5 0.0 | 1.0 | 0.5 | 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 | 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 | 1.0 | 0.5 | 0.5 | 0.5 | 1.0 | 0.5 | | | CP | vmaskmovpd ymmword ptr [r14+r13*1], ymm0, ymm1
Total Num Of Uops: 14
⇨ One μop that can only use port '0'
With blocking instructions for port '4':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: Backend. Port4
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 0.5 | 3.7 0.0 | 3.7 0.0 | 11.0 | 0.5 | 0.0 | 3.7 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 2^ | | | | 0.3 | 1.0 | | | 0.6 | CP | mov qword ptr [r14+0x40], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x48], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x50], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x58], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x60], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x68], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x70], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x78], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x80], r8
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.3 | CP | mov qword ptr [r14+0x88], r8
| 4 | 1.0 | 0.5 | 0.6 | 0.3 | 1.0 | 0.5 | | | CP | vmaskmovpd ymmword ptr [r14+r13*1], ymm0, ymm1
Total Num Of Uops: 24
⇨ One μop that can only use port '4'
With blocking instructions for ports {'1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.50 Cycles Throughput Bottleneck: Backend. Port1, Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 5.5 | 0.5 0.0 | 0.5 0.0 | 1.0 | 5.5 | 0.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 1 | | 0.5 | | | | 0.5 | | | 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]
| 4 | 1.0 | 0.5 | 0.5 | 0.5 | 1.0 | 0.5 | | | CP | vmaskmovpd ymmword ptr [r14+r13*1], ymm0, ymm1
Total Num Of Uops: 14
⇨ One μop that can only use ports {'1', '5'}
With blocking instructions for ports {'2', '3'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.50 Cycles Throughput Bottleneck: Backend. PORT2_AGU, PORT3_AGU
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 0.5 | 5.5 5.0 | 5.5 5.0 | 1.0 | 0.5 | 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 1.0 | | | | | | CP | mov r8w, word ptr [r14+0x40]
| 1 | | | | 1.0 1.0 | | | | | CP | mov r9w, word ptr [r14+0x42]
| 1 | | | 1.0 1.0 | | | | | | CP | mov r10w, word ptr [r14+0x44]
| 1 | | | | 1.0 1.0 | | | | | CP | mov r11w, word ptr [r14+0x46]
| 1 | | | 1.0 1.0 | | | | | | CP | mov r12w, word ptr [r14+0x48]
| 1 | | | | 1.0 1.0 | | | | | CP | mov bx, word ptr [r14+0x4a]
| 1 | | | 1.0 1.0 | | | | | | CP | mov cx, word ptr [r14+0x4c]
| 1 | | | | 1.0 1.0 | | | | | CP | mov dx, word ptr [r14+0x4e]
| 1 | | | 1.0 1.0 | | | | | | CP | mov r8w, word ptr [r14+0x40]
| 1 | | | | 1.0 1.0 | | | | | CP | mov r9w, word ptr [r14+0x42]
| 4 | 1.0 | 0.5 | 0.5 | 0.5 | 1.0 | 0.5 | | | CP | vmaskmovpd ymmword ptr [r14+r13*1], ymm0, ymm1
Total Num Of Uops: 14
⇨ One μop that can only use ports {'2', '3'}