KMOVW (K, M16) - Throughput and Uops (IACA 3.0)
With a non-indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 27
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 0.3 0.0 | 0.3 | 0.5 0.5 | 0.5 0.5 | 0.0 | 1.0 | 0.3 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 3 | 0.3 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k1, word ptr [r14]
Total Num Of Uops: 3
With 7 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 7.00 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 | 2.3 0.0 | 2.4 | 3.5 3.5 | 3.5 3.5 | 0.0 | 7.0 | 2.3 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 3 | 0.3 | 0.4 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k1, word ptr [r14]
| 3 | 0.3 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.4 | | kmovw k2, word ptr [r14+0x2]
| 3 | 0.4 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k3, word ptr [r14+0x4]
| 3 | 0.3 | 0.4 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k4, word ptr [r14+0x6]
| 3 | 0.3 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.4 | | kmovw k5, word ptr [r14+0x8]
| 3 | 0.4 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k6, word ptr [r14+0xa]
| 3 | 0.3 | 0.4 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k7, word ptr [r14+0xc]
Total Num Of Uops: 21
With an indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 27
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
--------------------------------------------------------------------------------------------------
| Cycles | 0.3 0.0 | 0.3 | 0.5 0.5 | 0.5 0.5 | 0.0 | 1.0 | 0.3 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 3 | 0.3 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k1, word ptr [r14+r13*1]
Total Num Of Uops: 3
With 7 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 7.00 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 | 2.3 0.0 | 2.4 | 3.5 3.5 | 3.5 3.5 | 0.0 | 7.0 | 2.3 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 3 | 0.3 | 0.4 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k1, word ptr [r14+r13*1]
| 3 | 0.3 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.4 | | kmovw k2, word ptr [r14+r13*1+0x2]
| 3 | 0.4 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k3, word ptr [r14+r13*1+0x4]
| 3 | 0.3 | 0.4 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k4, word ptr [r14+r13*1+0x6]
| 3 | 0.3 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.4 | | kmovw k5, word ptr [r14+r13*1+0x8]
| 3 | 0.4 | 0.3 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k6, word ptr [r14+r13*1+0xa]
| 3 | 0.3 | 0.4 | 0.5 0.5 | 0.5 0.5 | | 1.0 | 0.3 | | kmovw k7, word ptr [r14+r13*1+0xc]
Total Num Of Uops: 21