VSHUFPD (XMM, XMM, XMM, I8) - 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: 52
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 | | | vshufpd xmm0, xmm1, xmm2, 0x2
Total Num Of Uops: 1
With 11 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 10.95 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 | 11.0 | 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 | | | vshufpd xmm0, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm3, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm4, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm5, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm6, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm7, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm8, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm9, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm10, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm11, xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm12, xmm1, xmm2, 0x2
Total Num Of Uops: 11
With the same register for for different operands
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 0.98 Cycles Throughput Bottleneck: Dependency chains
Loop Count: 52
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 | | | vshufpd xmm0, xmm0, xmm0, 0x2
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 | | | vshufpd xmm0, xmm0, xmm0, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm1, xmm1, xmm1, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm2, xmm2, xmm2, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm3, xmm3, xmm3, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm4, xmm4, xmm4, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm5, xmm5, xmm5, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm6, xmm6, xmm6, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm7, xmm7, xmm7, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm8, xmm8, xmm8, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm9, xmm9, xmm9, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm10, xmm10, xmm10, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm11, xmm11, xmm11, 0x2
| 1 | | | | | | 1.0 | | | vshufpd xmm12, xmm12, xmm12, 0x2
Total Num Of Uops: 13