DIVPS (XMM, M128) - Port Usage (IACA 2.3)


With blocking instructions for port '0':

Throughput Analysis Report
--------------------------
Block Throughput: 25.00 Cycles       Throughput Bottleneck: Backend. Port0

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 25.0   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  |    |
---------------------------------------------------------------------
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm0, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm3, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm4, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm5, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm6, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm7, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm8, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm9, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm10, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm11, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm12, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm0, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm3, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm4, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm5, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm6, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm7, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm8, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm9, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm10, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm11, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm12, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm0, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm3, xmm1
|   2^   | 1.0   7.0 |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | divps xmm2, xmmword ptr [r14]
Total Num Of Uops: 26
⇨ One μop that can only use port '0'

With blocking instructions for ports {'2', '3'}:

Throughput Analysis Report
--------------------------
Block Throughput: 24.50 Cycles       Throughput Bottleneck: Backend. PORT2_AGU, Port2_DATA, PORT3_AGU, Port3_DATA

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 1.0    7.0  | 0.0  | 24.5   24.5 | 24.5   24.5 | 0.0  | 0.0  |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm0, xmmword ptr [r14+0x40]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm1, xmmword ptr [r14+0x50]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm3, xmmword ptr [r14+0x60]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm4, xmmword ptr [r14+0x70]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm5, xmmword ptr [r14+0x80]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm6, xmmword ptr [r14+0x90]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm7, xmmword ptr [r14+0xa0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm8, xmmword ptr [r14+0xb0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm9, xmmword ptr [r14+0xc0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm10, xmmword ptr [r14+0xd0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm11, xmmword ptr [r14+0xe0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm12, xmmword ptr [r14+0xf0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm0, xmmword ptr [r14+0x40]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm1, xmmword ptr [r14+0x50]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm3, xmmword ptr [r14+0x60]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm4, xmmword ptr [r14+0x70]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm5, xmmword ptr [r14+0x80]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm6, xmmword ptr [r14+0x90]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm7, xmmword ptr [r14+0xa0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm8, xmmword ptr [r14+0xb0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm9, xmmword ptr [r14+0xc0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm10, xmmword ptr [r14+0xd0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm11, xmmword ptr [r14+0xe0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm12, xmmword ptr [r14+0xf0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm0, xmmword ptr [r14+0x40]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm1, xmmword ptr [r14+0x50]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm3, xmmword ptr [r14+0x60]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm4, xmmword ptr [r14+0x70]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm5, xmmword ptr [r14+0x80]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm6, xmmword ptr [r14+0x90]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm7, xmmword ptr [r14+0xa0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm8, xmmword ptr [r14+0xb0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm9, xmmword ptr [r14+0xc0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm10, xmmword ptr [r14+0xd0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm11, xmmword ptr [r14+0xe0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm12, xmmword ptr [r14+0xf0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm0, xmmword ptr [r14+0x40]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm1, xmmword ptr [r14+0x50]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm3, xmmword ptr [r14+0x60]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm4, xmmword ptr [r14+0x70]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm5, xmmword ptr [r14+0x80]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm6, xmmword ptr [r14+0x90]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm7, xmmword ptr [r14+0xa0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm8, xmmword ptr [r14+0xb0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm9, xmmword ptr [r14+0xc0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm10, xmmword ptr [r14+0xd0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm11, xmmword ptr [r14+0xe0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm12, xmmword ptr [r14+0xf0]
|   2^   | 1.0   7.0 |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | divps xmm2, xmmword ptr [r14]
Total Num Of Uops: 50
⇨ One μop that can only use ports {'2', '3'}

With an indexed addressing mode


With blocking instructions for port '0':

Throughput Analysis Report
--------------------------
Block Throughput: 25.00 Cycles       Throughput Bottleneck: Backend. Port0

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 25.0   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  |    |
---------------------------------------------------------------------
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm0, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm3, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm4, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm5, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm6, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm7, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm8, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm9, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm10, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm11, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm12, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm0, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm3, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm4, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm5, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm6, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm7, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm8, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm9, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm10, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm11, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm12, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm0, xmm1
|   1    | 1.0       |     |           |           |     |     | CP | cvtss2sd xmm3, xmm1
|   2^   | 1.0   7.0 |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | divps xmm2, xmmword ptr [r14]
Total Num Of Uops: 26
⇨ One μop that can only use port '0'

With blocking instructions for ports {'2', '3'}:

Throughput Analysis Report
--------------------------
Block Throughput: 24.50 Cycles       Throughput Bottleneck: Backend. PORT2_AGU, Port2_DATA, PORT3_AGU, Port3_DATA

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 1.0    7.0  | 0.0  | 24.5   24.5 | 24.5   24.5 | 0.0  | 0.0  |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm0, xmmword ptr [r14+0x40]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm1, xmmword ptr [r14+0x50]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm3, xmmword ptr [r14+0x60]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm4, xmmword ptr [r14+0x70]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm5, xmmword ptr [r14+0x80]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm6, xmmword ptr [r14+0x90]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm7, xmmword ptr [r14+0xa0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm8, xmmword ptr [r14+0xb0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm9, xmmword ptr [r14+0xc0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm10, xmmword ptr [r14+0xd0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm11, xmmword ptr [r14+0xe0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm12, xmmword ptr [r14+0xf0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm0, xmmword ptr [r14+0x40]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm1, xmmword ptr [r14+0x50]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm3, xmmword ptr [r14+0x60]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm4, xmmword ptr [r14+0x70]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm5, xmmword ptr [r14+0x80]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm6, xmmword ptr [r14+0x90]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm7, xmmword ptr [r14+0xa0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm8, xmmword ptr [r14+0xb0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm9, xmmword ptr [r14+0xc0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm10, xmmword ptr [r14+0xd0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm11, xmmword ptr [r14+0xe0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm12, xmmword ptr [r14+0xf0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm0, xmmword ptr [r14+0x40]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm1, xmmword ptr [r14+0x50]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm3, xmmword ptr [r14+0x60]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm4, xmmword ptr [r14+0x70]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm5, xmmword ptr [r14+0x80]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm6, xmmword ptr [r14+0x90]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm7, xmmword ptr [r14+0xa0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm8, xmmword ptr [r14+0xb0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm9, xmmword ptr [r14+0xc0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm10, xmmword ptr [r14+0xd0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm11, xmmword ptr [r14+0xe0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm12, xmmword ptr [r14+0xf0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm0, xmmword ptr [r14+0x40]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm1, xmmword ptr [r14+0x50]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm3, xmmword ptr [r14+0x60]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm4, xmmword ptr [r14+0x70]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm5, xmmword ptr [r14+0x80]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm6, xmmword ptr [r14+0x90]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm7, xmmword ptr [r14+0xa0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm8, xmmword ptr [r14+0xb0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm9, xmmword ptr [r14+0xc0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm10, xmmword ptr [r14+0xd0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm11, xmmword ptr [r14+0xe0]
|   1    |           |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | lddqu xmm12, xmmword ptr [r14+0xf0]
|   2^   | 1.0   7.0 |     | 0.5   0.5 | 0.5   0.5 |     |     | CP | divps xmm2, xmmword ptr [r14]
Total Num Of Uops: 50
⇨ One μop that can only use ports {'2', '3'}