MOVQ (M64, XMM) - Throughput and Uops (IACA 3.0)
With a non-indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 0.91 Cycles Throughput Bottleneck: Backend
Loop Count: 56
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 0.0 | 0.3 0.0 | 0.3 0.0 | 1.0 | 0.0 | 0.0 | 0.3 |
--------------------------------------------------------------------------------------------------
| 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 | movq qword ptr [r14], xmm0
Total Num Of Uops: 2
With 16 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 16.00 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 | 0.0 0.0 | 0.0 | 5.3 0.0 | 5.4 0.0 | 16.0 | 0.0 | 0.0 | 5.3 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 2^ | | | 0.3 | 0.4 | 1.0 | | | 0.3 | movq qword ptr [r14], xmm0
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.4 | movq qword ptr [r14+0x8], xmm0
| 2^ | | | 0.4 | 0.3 | 1.0 | | | 0.3 | movq qword ptr [r14+0x10], xmm0
| 2^ | | | 0.3 | 0.4 | 1.0 | | | 0.3 | movq qword ptr [r14+0x18], xmm0
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.4 | movq qword ptr [r14+0x20], xmm0
| 2^ | | | 0.4 | 0.3 | 1.0 | | | 0.3 | movq qword ptr [r14+0x28], xmm0
| 2^ | | | 0.3 | 0.4 | 1.0 | | | 0.3 | movq qword ptr [r14+0x30], xmm0
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.4 | movq qword ptr [r14+0x38], xmm0
| 2^ | | | 0.4 | 0.3 | 1.0 | | | 0.3 | movq qword ptr [r14+0x40], xmm0
| 2^ | | | 0.3 | 0.4 | 1.0 | | | 0.3 | movq qword ptr [r14+0x48], xmm0
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.4 | movq qword ptr [r14+0x50], xmm0
| 2^ | | | 0.4 | 0.3 | 1.0 | | | 0.3 | movq qword ptr [r14+0x58], xmm0
| 2^ | | | 0.3 | 0.4 | 1.0 | | | 0.3 | movq qword ptr [r14+0x60], xmm0
| 2^ | | | 0.3 | 0.3 | 1.0 | | | 0.4 | movq qword ptr [r14+0x68], xmm0
| 2^ | | | 0.4 | 0.3 | 1.0 | | | 0.3 | movq qword ptr [r14+0x70], xmm0
| 2^ | | | 0.3 | 0.4 | 1.0 | | | 0.3 | movq qword ptr [r14+0x78], xmm0
Total Num Of Uops: 32
With an indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 0.84 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 34
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 0.0 | 0.5 0.0 | 0.5 0.0 | 1.0 | 0.0 | 0.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 2 | | | 0.5 | 0.5 | 1.0 | | | | movq qword ptr [r14+r13*1], xmm0
Total Num Of Uops: 2
With 16 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 16.00 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 | 0.0 0.0 | 0.0 | 8.0 0.0 | 8.0 0.0 | 16.0 | 0.0 | 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 | | 1.0 | | | | movq qword ptr [r14+r13*1], xmm0
| 2 | | | | 1.0 | 1.0 | | | | movq qword ptr [r14+r13*1+0x8], xmm0
| 2 | | | 1.0 | | 1.0 | | | | movq qword ptr [r14+r13*1+0x10], xmm0
| 2 | | | | 1.0 | 1.0 | | | | movq qword ptr [r14+r13*1+0x18], xmm0
| 2 | | | 1.0 | | 1.0 | | | | movq qword ptr [r14+r13*1+0x20], xmm0
| 2 | | | | 1.0 | 1.0 | | | | movq qword ptr [r14+r13*1+0x28], xmm0
| 2 | | | 1.0 | | 1.0 | | | | movq qword ptr [r14+r13*1+0x30], xmm0
| 2 | | | | 1.0 | 1.0 | | | | movq qword ptr [r14+r13*1+0x38], xmm0
| 2 | | | 1.0 | | 1.0 | | | | movq qword ptr [r14+r13*1+0x40], xmm0
| 2 | | | | 1.0 | 1.0 | | | | movq qword ptr [r14+r13*1+0x48], xmm0
| 2 | | | 1.0 | | 1.0 | | | | movq qword ptr [r14+r13*1+0x50], xmm0
| 2 | | | | 1.0 | 1.0 | | | | movq qword ptr [r14+r13*1+0x58], xmm0
| 2 | | | 1.0 | | 1.0 | | | | movq qword ptr [r14+r13*1+0x60], xmm0
| 2 | | | | 1.0 | 1.0 | | | | movq qword ptr [r14+r13*1+0x68], xmm0
| 2 | | | 1.0 | | 1.0 | | | | movq qword ptr [r14+r13*1+0x70], xmm0
| 2 | | | | 1.0 | 1.0 | | | | movq qword ptr [r14+r13*1+0x78], xmm0
Total Num Of Uops: 32