ADD_01 (R32, R32) - Throughput and Uops (IACA 2.3)


With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 0.95 Cycles       Throughput Bottleneck: FrontEnd

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 0.2    0.0  | 0.2  | 0.0    0.0  | 0.0    0.0  | 0.0  | 0.2  | 0.2  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add r8d, r9d
Total Num Of Uops: 1

With 12 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 3.00 Cycles       Throughput Bottleneck: FrontEnd

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 3.0    0.0  | 3.0  | 0.0    0.0  | 0.0    0.0  | 0.0  | 3.0  | 3.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   1    | 1.0       |     |           |           |     |     |     |     | CP | add r8d, r9d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | add r10d, r9d
|   1    |           |     |           |           |     | 1.0 |     |     | CP | add r11d, r9d
|   1    |           |     |           |           |     |     | 1.0 |     | CP | add r12d, r9d
|   1    | 1.0       |     |           |           |     |     |     |     | CP | add r13d, r9d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | add r14d, r9d
|   1    |           |     |           |           |     | 1.0 |     |     | CP | add ebx, r9d
|   1    |           |     |           |           |     |     | 1.0 |     | CP | add ecx, r9d
|   1    | 1.0       |     |           |           |     |     |     |     | CP | add edx, r9d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | add edi, r9d
|   1    |           |     |           |           |     | 1.0 |     |     | CP | add esi, r9d
|   1    |           |     |           |           |     |     | 1.0 |     | CP | add ebp, r9d
Total Num Of Uops: 12

With the same register for for different operands

Throughput Analysis Report
--------------------------
Block Throughput: 0.95 Cycles       Throughput Bottleneck: FrontEnd

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 0.2    0.0  | 0.2  | 0.0    0.0  | 0.0    0.0  | 0.0  | 0.2  | 0.2  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add r8d, r8d
Total Num Of Uops: 1