VPBROADCASTW (YMM, XMM) - Throughput and Uops (IACA 3.0)
With different registers for different operands
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 0.98 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 60
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 | 0.0 0.0 | 0.0 0.0 | 0.0 | 1.0 | 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 | | | vpbroadcastw ymm0, xmm1
Total Num Of Uops: 1
With 12 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 11.95 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 | 0.0 0.0 | 0.0 0.0 | 0.0 | 12.0 | 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 | | | vpbroadcastw ymm0, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm2, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm3, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm4, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm5, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm6, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm7, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm8, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm9, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm10, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm11, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm12, xmm1
Total Num Of Uops: 12
With the same register for for different operands
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 2.96 Cycles Throughput Bottleneck: Backend
Loop Count: 81
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 | 0.0 0.0 | 0.0 0.0 | 0.0 | 1.0 | 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 | | | vpbroadcastw ymm0, xmm0
Total Num Of Uops: 1
With 13 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 12.95 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 | 0.0 0.0 | 0.0 0.0 | 0.0 | 13.0 | 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 | | | vpbroadcastw ymm0, xmm0
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm1, xmm1
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm2, xmm2
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm3, xmm3
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm4, xmm4
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm5, xmm5
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm6, xmm6
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm7, xmm7
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm8, xmm8
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm9, xmm9
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm10, xmm10
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm11, xmm11
| 1 | | | | | | 1.0 | | | vpbroadcastw ymm12, xmm12
Total Num Of Uops: 13