CMOVB (R32, R32) - Throughput and Uops (IACA 2.2)


With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 0.50 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 | 0.5    0.0  | 0.5  | 0.0    0.0  | 0.0    0.0  | 0.0  | 0.5  | 0.5  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    | 0.5       | 0.5 |           |           |     | 0.5 | 0.5 |     | CP | cmovb r8d, r9d
Total Num Of Uops: 2

With 12 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 6.00 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 | 6.0    0.0  | 6.0  | 0.0    0.0  | 0.0    0.0  | 0.0  | 6.0  | 6.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    |           |     |           |           |     | 1.0 | 1.0 |     | CP | cmovb r8d, r9d
|   2    | 1.0       | 1.0 |           |           |     |     |     |     | CP | cmovb r10d, r9d
|   2    |           |     |           |           |     | 1.0 | 1.0 |     | CP | cmovb r11d, r9d
|   2    | 1.0       | 1.0 |           |           |     |     |     |     | CP | cmovb r12d, r9d
|   2    |           |     |           |           |     | 1.0 | 1.0 |     | CP | cmovb r13d, r9d
|   2    | 1.0       | 1.0 |           |           |     |     |     |     | CP | cmovb r14d, r9d
|   2    |           |     |           |           |     | 1.0 | 1.0 |     | CP | cmovb ebx, r9d
|   2    | 1.0       | 1.0 |           |           |     |     |     |     | CP | cmovb ecx, r9d
|   2    |           |     |           |           |     | 1.0 | 1.0 |     | CP | cmovb edx, r9d
|   2    | 1.0       | 1.0 |           |           |     |     |     |     | CP | cmovb edi, r9d
|   2    |           |     |           |           |     | 1.0 | 1.0 |     | CP | cmovb esi, r9d
|   2    | 1.0       | 1.0 |           |           |     |     |     |     | CP | cmovb ebp, r9d
Total Num Of Uops: 24

With the same register for for different operands

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   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 0.5    0.0  | 0.5  | 0.0    0.0  | 0.0    0.0  | 0.0  | 0.5  | 0.5  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    | 0.5       | 0.5 |           |           |     | 0.5 | 0.5 |     | CP | cmovb r8d, r8d
Total Num Of Uops: 2

With the -no_interiteration flag

Throughput Analysis Report
--------------------------
Block Throughput: 0.50 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 | 0.5    0.0  | 0.5  | 0.0    0.0  | 0.0    0.0  | 0.0  | 0.5  | 0.5  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    | 0.5       | 0.5 |           |           |     | 0.5 | 0.5 |     | CP | cmovb r8d, r9d
Total Num Of Uops: 2