RCPSS (XMM, XMM) - Throughput and Uops (IACA 2.2)
With different registers for different operands
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Port0
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 0.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | rcpss xmm0, xmm1
Total Num Of Uops: 1
With 12 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 12.00 Cycles Throughput Bottleneck: Port0
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 12.0 0.0 | 0.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | rcpss xmm0, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm2, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm3, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm4, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm5, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm6, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm7, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm8, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm9, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm10, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm11, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm12, xmm1
Total Num Of Uops: 12
With the same register for for different operands
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 5.00 Cycles Throughput Bottleneck: Dependency chains (possibly between iterations)
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 0.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | rcpss xmm0, xmm0
Total Num Of Uops: 1
With 13 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 13.00 Cycles Throughput Bottleneck: Port0
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 13.0 0.0 | 0.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | rcpss xmm0, xmm0
| 1 | 1.0 | | | | | | CP | rcpss xmm1, xmm1
| 1 | 1.0 | | | | | | CP | rcpss xmm2, xmm2
| 1 | 1.0 | | | | | | CP | rcpss xmm3, xmm3
| 1 | 1.0 | | | | | | CP | rcpss xmm4, xmm4
| 1 | 1.0 | | | | | | CP | rcpss xmm5, xmm5
| 1 | 1.0 | | | | | | CP | rcpss xmm6, xmm6
| 1 | 1.0 | | | | | | CP | rcpss xmm7, xmm7
| 1 | 1.0 | | | | | | CP | rcpss xmm8, xmm8
| 1 | 1.0 | | | | | | CP | rcpss xmm9, xmm9
| 1 | 1.0 | | | | | | CP | rcpss xmm10, xmm10
| 1 | 1.0 | | | | | | CP | rcpss xmm11, xmm11
| 1 | 1.0 | | | | | | CP | rcpss xmm12, xmm12
Total Num Of Uops: 13
With the -no_interiteration flag
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Port0
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 0.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | rcpss xmm0, xmm1
Total Num Of Uops: 1