IMUL (M32) - Throughput and Uops (IACA 2.1)
With a non-indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 8.00 Cycles Throughput Bottleneck: InterIteration
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14]
Total Num Of Uops: 3
With additional dependency-breaking instructions
Throughput Analysis Report
--------------------------
Block Throughput: 8.00 Cycles Throughput Bottleneck: InterIteration
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 1.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14]
| 1 | | | | | | 1.0 | | xor rax, rax
Total Num Of Uops: 4
With 16 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 128.00 Cycles Throughput Bottleneck: InterIteration
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 16.0 0.0 | 16.0 | 16.0 16.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x4]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x8]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0xc]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x10]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x14]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x18]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x1c]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x20]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x24]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x28]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x2c]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x30]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x34]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x38]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x3c]
Total Num Of Uops: 48
With additional dependency-breaking instructions
Throughput Analysis Report
--------------------------
Block Throughput: 128.00 Cycles Throughput Bottleneck: InterIteration
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 16.0 0.0 | 16.0 | 16.0 16.0 | 0.0 0.0 | 0.0 | 16.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x4]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x8]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0xc]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x10]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x14]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x18]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x1c]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x20]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x24]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x28]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x2c]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x30]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x34]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x38]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+0x3c]
| 1 | | | | | | 1.0 | | xor rax, rax
Total Num Of Uops: 64
With an indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 8.00 Cycles Throughput Bottleneck: InterIteration
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1]
Total Num Of Uops: 3
With additional dependency-breaking instructions
Throughput Analysis Report
--------------------------
Block Throughput: 8.00 Cycles Throughput Bottleneck: InterIteration
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 1.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1]
| 1 | | | | | | 1.0 | | xor rax, rax
Total Num Of Uops: 4
With 16 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 128.00 Cycles Throughput Bottleneck: InterIteration
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 16.0 0.0 | 16.0 | 16.0 16.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x4]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x8]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0xc]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x10]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x14]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x18]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x1c]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x20]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x24]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x28]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x2c]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x30]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x34]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x38]
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x3c]
Total Num Of Uops: 48
With additional dependency-breaking instructions
Throughput Analysis Report
--------------------------
Block Throughput: 128.00 Cycles Throughput Bottleneck: InterIteration
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 16.0 0.0 | 16.0 | 16.0 16.0 | 0.0 0.0 | 0.0 | 16.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x4]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x8]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0xc]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x10]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x14]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x18]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x1c]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x20]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x24]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x28]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x2c]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x30]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x34]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x38]
| 1 | | | | | | 1.0 | | xor rax, rax
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14+r13*1+0x3c]
| 1 | | | | | | 1.0 | | xor rax, rax
Total Num Of Uops: 64
With the -no_interiteration flag
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Port0, Port1, PORT2_AGU, Port2_DATA
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 1.0 | 1.0 1.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 3 | 1.0 | 1.0 | 1.0 1.0 | | | | CP | imul dword ptr [r14]
Total Num Of Uops: 3