ADD (R64, I8) - Throughput and Uops (IACA 2.2)


With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles       Throughput Bottleneck: Dependency chains (possibly between iterations)

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  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 r8, 0x2
Total Num Of Uops: 1

With 13 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 3.25 Cycles       Throughput Bottleneck: FrontEnd, Port0, Port1, Port5, Port6

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 3.2    0.0  | 3.2  | 0.0    0.0  | 0.0    0.0  | 0.0  | 3.2  | 3.2  | 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 r8, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add r9, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add r10, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add r11, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add r12, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add r13, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add r14, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add rbx, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add rcx, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add rdx, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add rdi, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add rsi, 0x2
|   1    | 0.2       | 0.2 |           |           |     | 0.2 | 0.2 |     | CP | add rbp, 0x2
Total Num Of Uops: 13

With the -no_interiteration flag

Throughput Analysis Report
--------------------------
Block Throughput: 0.25 Cycles       Throughput Bottleneck: FrontEnd, Port0, Port1, Port5, Port6

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 r8, 0x2
Total Num Of Uops: 1