ROL (R32, I8) - Throughput and Uops (IACA 2.2)


With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 2.00 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  | 1.0  |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol r8d, 0x2
Total Num Of Uops: 2

With 13 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 13.00 Cycles       Throughput Bottleneck: Port0, Port5

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  | 13.0 |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol r8d, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol r9d, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol r10d, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol r11d, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol r12d, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol r13d, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol r14d, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol ebx, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol ecx, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol edx, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol edi, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol esi, 0x2
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol ebp, 0x2
Total Num Of Uops: 26

With the -no_interiteration flag

Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles       Throughput Bottleneck: Port0, Port5

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  | 1.0  |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   2    | 1.0       |     |           |           |     | 1.0 | CP | rol r8d, 0x2
Total Num Of Uops: 2