STMXCSR (M32) - Throughput and Uops (IACA 3.0)
With a non-indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 0.88 Cycles Throughput Bottleneck: Backend
Loop Count: 36
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 | 0.3 0.0 | 0.3 0.0 | 1.0 | 1.0 | 0.0 | 0.3 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 3^ | | | 0.3 | 0.3 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14]
Total Num Of Uops: 3
With 16 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 16.00 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 | 5.3 0.0 | 5.4 0.0 | 16.0 | 16.0 | 0.0 | 5.3 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 3^ | | | 0.3 | 0.4 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14]
| 3^ | | | 0.3 | 0.3 | 1.0 | 1.0 | | 0.4 | stmxcsr dword ptr [r14+0x4]
| 3^ | | | 0.4 | 0.3 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0x8]
| 3^ | | | 0.3 | 0.4 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0xc]
| 3^ | | | 0.3 | 0.3 | 1.0 | 1.0 | | 0.4 | stmxcsr dword ptr [r14+0x10]
| 3^ | | | 0.4 | 0.3 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0x14]
| 3^ | | | 0.3 | 0.4 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0x18]
| 3^ | | | 0.3 | 0.3 | 1.0 | 1.0 | | 0.4 | stmxcsr dword ptr [r14+0x1c]
| 3^ | | | 0.4 | 0.3 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0x20]
| 3^ | | | 0.3 | 0.4 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0x24]
| 3^ | | | 0.3 | 0.3 | 1.0 | 1.0 | | 0.4 | stmxcsr dword ptr [r14+0x28]
| 3^ | | | 0.4 | 0.3 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0x2c]
| 3^ | | | 0.3 | 0.4 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0x30]
| 3^ | | | 0.3 | 0.3 | 1.0 | 1.0 | | 0.4 | stmxcsr dword ptr [r14+0x34]
| 3^ | | | 0.4 | 0.3 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0x38]
| 3^ | | | 0.3 | 0.4 | 1.0 | 1.0 | | 0.3 | stmxcsr dword ptr [r14+0x3c]
Total Num Of Uops: 48
With an indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 0.80 Cycles Throughput Bottleneck: FrontEnd
Loop Count: 28
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 | 0.5 0.0 | 0.5 0.0 | 1.0 | 1.0 | 0.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 3 | | | 0.5 | 0.5 | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1]
Total Num Of Uops: 3
With 16 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 16.00 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 | 8.0 0.0 | 8.0 0.0 | 16.0 | 16.0 | 0.0 | 0.0 |
--------------------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
-----------------------------------------------------------------------------------------
| 3 | | | 1.0 | | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1]
| 3 | | | | 1.0 | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x4]
| 3 | | | 1.0 | | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x8]
| 3 | | | | 1.0 | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0xc]
| 3 | | | 1.0 | | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x10]
| 3 | | | | 1.0 | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x14]
| 3 | | | 1.0 | | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x18]
| 3 | | | | 1.0 | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x1c]
| 3 | | | 1.0 | | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x20]
| 3 | | | | 1.0 | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x24]
| 3 | | | 1.0 | | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x28]
| 3 | | | | 1.0 | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x2c]
| 3 | | | 1.0 | | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x30]
| 3 | | | | 1.0 | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x34]
| 3 | | | 1.0 | | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x38]
| 3 | | | | 1.0 | 1.0 | 1.0 | | | stmxcsr dword ptr [r14+r13*1+0x3c]
Total Num Of Uops: 48