INC_LOCK (M32) - Throughput and Uops (IACA 3.0)


With a non-indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 1.49 Cycles       Throughput Bottleneck: FrontEnd
Loop Count:  50
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles |  1.3     0.0  |  1.3  |  0.7     0.7  |  0.7     0.7  |  1.0  |  1.2  |  1.3  |  0.7  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   8^     | 1.3         | 1.3  | 0.7     0.7 | 0.7     0.7 | 1.0  | 1.2  | 1.3  | 0.7  | lock inc dword ptr [r14]
Total Num Of Uops: 8

With 16 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 24.00 Cycles       Throughput Bottleneck: FrontEnd
Loop Count:  22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles | 20.0     0.0  | 20.0  | 10.7    10.7  | 10.6    10.6  | 16.0  | 20.0  | 20.0  | 10.7  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   8^     | 2.0         | 1.0  | 0.7     0.7 | 0.6     0.6 | 1.0  | 1.0  | 1.0  | 0.7  | lock inc dword ptr [r14]
|   8^     | 1.0         | 1.0  | 0.6     0.6 | 0.7     0.7 | 1.0  | 1.0  | 2.0  | 0.7  | lock inc dword ptr [r14+0x4]
|   8^     | 1.0         | 2.0  | 0.7     0.7 | 0.7     0.7 | 1.0  | 1.0  | 1.0  | 0.6  | lock inc dword ptr [r14+0x8]
|   8^     | 1.0         | 1.0  | 0.7     0.7 | 0.6     0.6 | 1.0  | 2.0  | 1.0  | 0.7  | lock inc dword ptr [r14+0xc]
|   8^     | 2.0         | 1.0  | 0.6     0.6 | 0.7     0.7 | 1.0  | 1.0  | 1.0  | 0.7  | lock inc dword ptr [r14+0x10]
|   8^     | 1.0         | 1.0  | 0.7     0.7 | 0.7     0.7 | 1.0  | 1.0  | 2.0  | 0.6  | lock inc dword ptr [r14+0x14]
|   8^     | 1.0         | 2.0  | 0.7     0.7 | 0.6     0.6 | 1.0  | 1.0  | 1.0  | 0.7  | lock inc dword ptr [r14+0x18]
|   8^     | 1.0         | 1.0  | 0.6     0.6 | 0.7     0.7 | 1.0  | 2.0  | 1.0  | 0.7  | lock inc dword ptr [r14+0x1c]
|   8^     | 2.0         | 1.0  | 0.7     0.7 | 0.7     0.7 | 1.0  | 1.0  | 1.0  | 0.6  | lock inc dword ptr [r14+0x20]
|   8^     | 1.0         | 1.0  | 0.7     0.7 | 0.6     0.6 | 1.0  | 1.0  | 2.0  | 0.7  | lock inc dword ptr [r14+0x24]
|   8^     | 1.0         | 2.0  | 0.6     0.6 | 0.7     0.7 | 1.0  | 1.0  | 1.0  | 0.7  | lock inc dword ptr [r14+0x28]
|   8^     | 1.0         | 1.0  | 0.7     0.7 | 0.7     0.7 | 1.0  | 2.0  | 1.0  | 0.6  | lock inc dword ptr [r14+0x2c]
|   8^     | 2.0         | 1.0  | 0.7     0.7 | 0.6     0.6 | 1.0  | 1.0  | 1.0  | 0.7  | lock inc dword ptr [r14+0x30]
|   8^     | 1.0         | 1.0  | 0.6     0.6 | 0.7     0.7 | 1.0  | 1.0  | 2.0  | 0.7  | lock inc dword ptr [r14+0x34]
|   8^     | 1.0         | 2.0  | 0.7     0.7 | 0.7     0.7 | 1.0  | 1.0  | 1.0  | 0.6  | lock inc dword ptr [r14+0x38]
|   8^     | 1.0         | 1.0  | 0.7     0.7 | 0.6     0.6 | 1.0  | 2.0  | 1.0  | 0.7  | lock inc dword ptr [r14+0x3c]
Total Num Of Uops: 128

With an indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 2.00 Cycles       Throughput Bottleneck: Dependency chains
Loop Count:  22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles |  1.3     0.0  |  1.3  |  1.0     1.0  |  1.0     1.0  |  1.0  |  1.2  |  1.3  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   8      | 1.3         | 1.3  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.2  | 1.3  |      | lock inc dword ptr [r14+r13*1]
Total Num Of Uops: 8

With 16 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 32.00 Cycles       Throughput Bottleneck: FrontEnd
Loop Count:  22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles | 20.0     0.0  | 20.0  | 16.0    16.0  | 16.0    16.0  | 16.0  | 20.0  | 20.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   8      | 2.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 1.0  |      | lock inc dword ptr [r14+r13*1]
|   8      | 1.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 2.0  |      | lock inc dword ptr [r14+r13*1+0x4]
|   8      | 1.0         | 2.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x8]
|   8      | 1.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 2.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0xc]
|   8      | 2.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x10]
|   8      | 1.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 2.0  |      | lock inc dword ptr [r14+r13*1+0x14]
|   8      | 1.0         | 2.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x18]
|   8      | 1.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 2.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x1c]
|   8      | 2.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x20]
|   8      | 1.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 2.0  |      | lock inc dword ptr [r14+r13*1+0x24]
|   8      | 1.0         | 2.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x28]
|   8      | 1.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 2.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x2c]
|   8      | 2.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x30]
|   8      | 1.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 2.0  |      | lock inc dword ptr [r14+r13*1+0x34]
|   8      | 1.0         | 2.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 1.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x38]
|   8      | 1.0         | 1.0  | 1.0     1.0 | 1.0     1.0 | 1.0  | 2.0  | 1.0  |      | lock inc dword ptr [r14+r13*1+0x3c]
Total Num Of Uops: 128