VPMOVSDB (XMM, XMM) - Throughput and Uops (IACA 3.0)


With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 1.96 Cycles       Throughput Bottleneck: Backend
Loop Count:  51
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles |  0.0     0.0  |  0.0  |  0.0     0.0  |  0.0     0.0  |  0.0  |  2.0  |  0.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm0, xmm1
Total Num Of Uops: 2

With 16 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 31.89 Cycles       Throughput Bottleneck: Backend
Loop Count:  22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles |  0.0     0.0  |  0.0  |  0.0     0.0  |  0.0     0.0  |  0.0  | 32.0  |  0.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm0, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm2, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm3, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm4, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm5, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm6, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm7, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm8, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm9, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm10, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm11, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm12, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm16, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm17, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm18, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm19, xmm1
Total Num Of Uops: 32

With the same register for for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 3.91 Cycles       Throughput Bottleneck: Backend
Loop Count:  49
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles |  0.0     0.0  |  0.0  |  0.0     0.0  |  0.0     0.0  |  0.0  |  2.0  |  0.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm0, xmm0
Total Num Of Uops: 2

With 16 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 31.89 Cycles       Throughput Bottleneck: Backend
Loop Count:  22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles |  0.0     0.0  |  0.0  |  0.0     0.0  |  0.0     0.0  |  0.0  | 32.0  |  0.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm0, xmm0
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm1, xmm1
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm2, xmm2
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm3, xmm3
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm4, xmm4
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm5, xmm5
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm6, xmm6
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm7, xmm7
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm8, xmm8
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm9, xmm9
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm10, xmm10
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm11, xmm11
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm12, xmm12
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm16, xmm16
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm17, xmm17
|   2      |             |      |             |             |      | 2.0  |      |      | vpmovsdb xmm18, xmm18
Total Num Of Uops: 32