SQRTSS (XMM, M32) - Throughput and Uops (IACA 2.3)


With a non-indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 7.00 Cycles       Throughput Bottleneck: FrontEnd

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 1.0    7.0  | 0.0  | 0.5    0.5  | 0.5    0.5  | 0.0  | 0.0  |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   2^   | 1.0   7.0 |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | sqrtss xmm2, dword ptr [r14]
Total Num Of Uops: 2

With 8 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 56.00 Cycles       Throughput Bottleneck: Backend. Divider

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 8.0    56.0 | 0.0  | 4.0    4.0  | 4.0    4.0  | 0.0  | 0.0  |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   2^   | 1.0   7.0 |     | 1.0   1.0 |           |     |     | CP | sqrtss xmm2, dword ptr [r14]
|   2^   | 1.0   7.0 |     |           | 1.0   1.0 |     |     | CP | sqrtss xmm3, dword ptr [r14]
|   2^   | 1.0   7.0 |     | 1.0   1.0 |           |     |     | CP | sqrtss xmm4, dword ptr [r14]
|   2^   | 1.0   7.0 |     |           | 1.0   1.0 |     |     | CP | sqrtss xmm5, dword ptr [r14]
|   2^   | 1.0   7.0 |     | 1.0   1.0 |           |     |     | CP | sqrtss xmm6, dword ptr [r14]
|   2^   | 1.0   7.0 |     |           | 1.0   1.0 |     |     | CP | sqrtss xmm7, dword ptr [r14]
|   2^   | 1.0   7.0 |     | 1.0   1.0 |           |     |     | CP | sqrtss xmm8, dword ptr [r14]
|   2^   | 1.0   7.0 |     |           | 1.0   1.0 |     |     | CP | sqrtss xmm9, dword ptr [r14]
Total Num Of Uops: 16

With an indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 7.00 Cycles       Throughput Bottleneck: FrontEnd

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 1.0    7.0  | 0.0  | 0.5    0.5  | 0.5    0.5  | 0.0  | 0.0  |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   2^   | 1.0   7.0 |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | sqrtss xmm2, dword ptr [r14]
Total Num Of Uops: 2

With 8 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 56.00 Cycles       Throughput Bottleneck: Backend. Divider

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 8.0    56.0 | 0.0  | 4.0    4.0  | 4.0    4.0  | 0.0  | 0.0  |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   2^   | 1.0   7.0 |     | 1.0   1.0 |           |     |     | CP | sqrtss xmm2, dword ptr [r14]
|   2^   | 1.0   7.0 |     |           | 1.0   1.0 |     |     | CP | sqrtss xmm3, dword ptr [r14]
|   2^   | 1.0   7.0 |     | 1.0   1.0 |           |     |     | CP | sqrtss xmm4, dword ptr [r14]
|   2^   | 1.0   7.0 |     |           | 1.0   1.0 |     |     | CP | sqrtss xmm5, dword ptr [r14]
|   2^   | 1.0   7.0 |     | 1.0   1.0 |           |     |     | CP | sqrtss xmm6, dword ptr [r14]
|   2^   | 1.0   7.0 |     |           | 1.0   1.0 |     |     | CP | sqrtss xmm7, dword ptr [r14]
|   2^   | 1.0   7.0 |     | 1.0   1.0 |           |     |     | CP | sqrtss xmm8, dword ptr [r14]
|   2^   | 1.0   7.0 |     |           | 1.0   1.0 |     |     | CP | sqrtss xmm9, dword ptr [r14]
Total Num Of Uops: 16