VBLENDVPD (YMM, YMM, M256, YMM) - Port Usage (IACA 3.0)
With blocking instructions for ports {'0', '1'}:
Throughput Analysis Report
--------------------------
Block Throughput: 6.00 Cycles Throughput Bottleneck: FrontEnd
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 | 0.5 0.5 | 0.5 0.5 | 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 |
-----------------------------------------------------------------------------------------
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm3, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm5, xmm4
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm6, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm7, xmm4
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm8, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm9, xmm4
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm10, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm11, xmm4
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm12, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm3, xmm4
| 3^ | | | 0.5 0.5 | 0.5 0.5 | | 2.0 | | | vblendvpd ymm0, ymm1, ymmword ptr [r14], ymm2
Total Num Of Uops: 23
With blocking instructions for ports {'0', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.81 Cycles Throughput Bottleneck: Backend
Loop Count: 24
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 | 0.5 0.5 | 0.5 0.5 | 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
| 3^ | | 2.0 | 0.5 0.5 | 0.5 0.5 | | | | | vblendvpd ymm0, ymm1, ymmword ptr [r14], ymm2
Total Num Of Uops: 13
With blocking instructions for ports {'1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.81 Cycles Throughput Bottleneck: Backend
Loop Count: 24
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 | 0.5 0.5 | 0.5 0.5 | 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]
| 3^ | 2.0 | | 0.5 0.5 | 0.5 0.5 | | | | | vblendvpd ymm0, ymm1, ymmword ptr [r14], ymm2
Total Num Of Uops: 13
With blocking instructions for ports {'2', '3'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.53 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 | 0.7 0.0 | 0.6 | 5.5 5.5 | 5.5 5.5 | 0.0 | 0.7 | 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 | 0.5 0.5 | | | | | mov bh, byte ptr [rdi+0x40]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ch, byte ptr [rdi+0x41]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov dh, byte ptr [rdi+0x42]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ah, byte ptr [rdi+0x43]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov bh, byte ptr [rdi+0x40]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ch, byte ptr [rdi+0x41]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov dh, byte ptr [rdi+0x42]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ah, byte ptr [rdi+0x43]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov bh, byte ptr [rdi+0x40]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ch, byte ptr [rdi+0x41]
| 3^ | 0.7 | 0.6 | 0.5 0.5 | 0.5 0.5 | | 0.7 | | | vblendvpd ymm0, ymm1, ymmword ptr [r14], ymm2
Total Num Of Uops: 13
⇨ One μop that can only use ports {'2', '3'}
With blocking instructions for ports {'0', '1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 3.71 Cycles Throughput Bottleneck: Backend
Loop Count: 27
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 | 0.5 0.5 | 0.5 0.5 | 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 | | | | | | | | vmovq xmm3, xmm4
| 1 | | 1.0 | | | | | | | vmovq xmm5, xmm4
| 1 | | | | | | 1.0 | | | vmovq xmm6, xmm4
| 1 | 1.0 | | | | | | | | vmovq xmm7, xmm4
| 1 | | 1.0 | | | | | | | vmovq xmm8, xmm4
| 1 | | | | | | 1.0 | | | vmovq xmm9, xmm4
| 1 | 1.0 | | | | | | | | vmovq xmm10, xmm4
| 1 | | 1.0 | | | | | | | vmovq xmm11, xmm4
| 1 | | | | | | 1.0 | | | vmovq xmm12, xmm4
| 1 | 1.0 | | | | | | | | vmovq xmm3, xmm4
| 3^ | | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | | | vblendvpd ymm0, ymm1, ymmword ptr [r14], ymm2
Total Num Of Uops: 13
⇨ 2 μops that can only use ports {'0', '1', '5'}
With an indexed addressing mode
With blocking instructions for ports {'0', '1'}:
Throughput Analysis Report
--------------------------
Block Throughput: 7.00 Cycles Throughput Bottleneck: FrontEnd
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 | 0.5 0.5 | 0.5 0.5 | 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 |
-----------------------------------------------------------------------------------------
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm3, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm5, xmm4
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm6, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm7, xmm4
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm8, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm9, xmm4
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm10, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm11, xmm4
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm12, xmm4
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm3, xmm4
| 3 | | | 0.5 0.5 | 0.5 0.5 | | 2.0 | | | vblendvpd ymm0, ymm1, ymmword ptr [r14+r13*1], ymm2
Total Num Of Uops: 23
With blocking instructions for ports {'0', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.65 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 23
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 | 0.5 0.5 | 0.5 0.5 | 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
| 3 | | 2.0 | 0.5 0.5 | 0.5 0.5 | | | | | vblendvpd ymm0, ymm1, ymmword ptr [r14+r13*1], ymm2
Total Num Of Uops: 13
With blocking instructions for ports {'1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.65 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 23
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 | 0.5 0.5 | 0.5 0.5 | 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]
| 3 | 2.0 | | 0.5 0.5 | 0.5 0.5 | | | | | vblendvpd ymm0, ymm1, ymmword ptr [r14+r13*1], ymm2
Total Num Of Uops: 13
With blocking instructions for ports {'2', '3'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.53 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 | 0.7 0.0 | 0.6 | 5.5 5.5 | 5.5 5.5 | 0.0 | 0.7 | 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 | 0.5 0.5 | | | | | mov bh, byte ptr [rdi+0x40]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ch, byte ptr [rdi+0x41]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov dh, byte ptr [rdi+0x42]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ah, byte ptr [rdi+0x43]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov bh, byte ptr [rdi+0x40]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ch, byte ptr [rdi+0x41]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov dh, byte ptr [rdi+0x42]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ah, byte ptr [rdi+0x43]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov bh, byte ptr [rdi+0x40]
| 1 | | | 0.5 0.5 | 0.5 0.5 | | | | | mov ch, byte ptr [rdi+0x41]
| 3 | 0.7 | 0.6 | 0.5 0.5 | 0.5 0.5 | | 0.7 | | | vblendvpd ymm0, ymm1, ymmword ptr [r14+r13*1], ymm2
Total Num Of Uops: 13
⇨ One μop that can only use ports {'2', '3'}
With blocking instructions for ports {'0', '1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.00 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 22
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 | 0.5 0.5 | 0.5 0.5 | 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 | | | | | | | | vmovq xmm3, xmm4
| 1 | | 1.0 | | | | | | | vmovq xmm5, xmm4
| 1 | | | | | | 1.0 | | | vmovq xmm6, xmm4
| 1 | 1.0 | | | | | | | | vmovq xmm7, xmm4
| 1 | | 1.0 | | | | | | | vmovq xmm8, xmm4
| 1 | | | | | | 1.0 | | | vmovq xmm9, xmm4
| 1 | 1.0 | | | | | | | | vmovq xmm10, xmm4
| 1 | | 1.0 | | | | | | | vmovq xmm11, xmm4
| 1 | | | | | | 1.0 | | | vmovq xmm12, xmm4
| 1 | 1.0 | | | | | | | | vmovq xmm3, xmm4
| 3 | | 1.0 | 0.5 0.5 | 0.5 0.5 | | 1.0 | | | vblendvpd ymm0, ymm1, ymmword ptr [r14+r13*1], ymm2
Total Num Of Uops: 13
⇨ 2 μops that can only use ports {'0', '1', '5'}