DIVPS (XMM, M128) - Throughput and Uops (IACA 2.2)


With a non-indexed addressing mode

Throughput Analysis Report
--------------------------
Block Throughput: 11.00 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 | 1.0    3.0  | 0.0  | 0.5    0.5  | 0.5    0.5  | 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  |    |
---------------------------------------------------------------------------------
|   2^   | 1.0   3.0 |     | 0.5   0.5 | 0.5   0.5 |     |     |     |     | CP | divps xmm2, xmmword ptr [r14]
Total Num Of Uops: 2

With an indexed addressing mode

Throughput Analysis Report
--------------------------
Block Throughput: 11.00 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 | 1.0    3.0  | 0.0  | 0.5    0.5  | 0.5    0.5  | 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  |    |
---------------------------------------------------------------------------------
|   2^   | 1.0   3.0 |     | 0.5   0.5 | 0.5   0.5 |     |     |     |     | CP | divps xmm2, xmmword ptr [r14]
Total Num Of Uops: 2

With the -no_interiteration flag

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

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 1.0    3.0  | 0.0  | 0.5    0.5  | 0.5    0.5  | 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  |    |
---------------------------------------------------------------------------------
|   2^   | 1.0   3.0 |     | 0.5   0.5 | 0.5   0.5 |     |     |     |     | CP | divps xmm0, xmmword ptr [r14]
Total Num Of Uops: 2