C674 Timing Benchmarks

Target Platform: ti.platforms.evmTI814X

Tool Chain Version: 8.3.2

BIOS Version: bios_6_76_01_06_eng_k3

XDCTools Version: xdctools_3_55_01_15_core_eng

Benchmark Cycles
Interrupt Latency 209
Hwi_restore() 2
Hwi_disable() 3
Hwi dispatcher prolog 132
Hwi dispatcher epilog 158
Hwi dispatcher 285
Hardware Interrupt to Blocked Task 483
Hardware Interrupt to Software Interrupt 289
Swi_enable() 61
Swi_disable() 13
Post Software Interrupt Again 45
Post Software Interrupt without Context Switch 77
Post Software Interrupt with Context Switch 149
Create a New Task without Context Switch 1907
Set a Task Priority without a Context Switch 141
Task_yield() 229
Post Semaphore No Waiting Task 83
Post Semaphore No Task Switch 164
Post Semaphore with Task Switch 259
Pend on Semaphore No Context Switch 95
Pend on Semaphore with Task Switch 255
Clock_getTicks() 13
POSIX Create a New Task without Context Switch 3073
POSIX Set a Task Priority without a Context Switch 120
POSIX Post Semaphore No Waiting Task 99
POSIX Post Semaphore No Task Switch 181
POSIX Post Semaphore with Task Switch 273
POSIX Pend on Semaphore No Context Switch 113
POSIX Pend on Semaphore with Task Switch 272

The benchmark application was built using BIOS.LibType_Custom with the following BIOS.customCCOpts settings: “-mv6740 -mi10 -mo -pdr -pden -pds=238 -pds=880 -pds1110 –program_level_compile -o3”.

As the timer used to run these benchmarks is run at 1/25 the CPU frequency, a deviation of +-25 cycles is to be expected.

See the SYS/BIOS User’s Guide for more information regarding how interrupt latency is calculated.