RCPSS (XMM, XMM) - Throughput and Uops (IACA 2.3)

With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles       Throughput Bottleneck: FrontEnd

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 1.0    0.0  | 0.0  | 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  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   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: Backend. Port0

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 12.0   0.0  | 0.0  | 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  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   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: 3.81 Cycles       Throughput Bottleneck: FrontEnd

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 1.0    0.0  | 0.0  | 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  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   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: Backend. Port0

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 13.0   0.0  | 0.0  | 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  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   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