IAR Cortex-M4 with hard FP Timing Benchmarks
Target Platform: ti.platforms.simplelink:CC2642:1
Tool Chain Version: 8.11.1.47
BIOS Version: bios_6_52_00_11_eng
XDCTools Version: xdctools_3_50_03_33_core
| Benchmark | Cycles |
|---|---|
| Interrupt Latency | 160 |
| Hwi_restore() | 15 |
| Hwi_disable() | 15 |
| Hwi dispatcher prolog | 153 |
| Hwi dispatcher epilog | 241 |
| Hwi dispatcher | 383 |
| Hardware Interrupt to Blocked Task | 651 |
| Hardware Interrupt to Software Interrupt | 456 |
| Swi_enable() | 83 |
| Swi_disable() | 19 |
| Post Software Interrupt Again | 35 |
| Post Software Interrupt without Context Switch | 112 |
| Post Software Interrupt with Context Switch | 240 |
| Create a New Task without Context Switch | 4650 |
| Set a Task Priority without a Context Switch | 215 |
| Task_yield() | 286 |
| Post Semaphore No Waiting Task | 59 |
| Post Semaphore No Task Switch | 223 |
| Post Semaphore with Task Switch | 334 |
| Pend on Semaphore No Context Switch | 74 |
| Pend on Semaphore with Task Switch | 372 |
| Clock_getTicks() | 296 |
| POSIX Create a New Task without Context Switch | 7199 |
| POSIX Set a Task Priority without a Context Switch | 303 |
| POSIX Post Semaphore No Waiting Task | 72 |
| POSIX Post Semaphore No Task Switch | 236 |
| POSIX Post Semaphore with Task Switch | 345 |
| POSIX Pend on Semaphore No Context Switch | 88 |
| POSIX Pend on Semaphore with Task Switch | 385 |
The M4F target also supports zero latency interrupts. See ti.sysbios.family.arm.m3.Hwi cdocs for details.
See the SYS/BIOS User’s Guide for more information regarding how interrupt latency is calculated.