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TDA4VH-Q1: tidl running exhaust more time when two models are deployed on different dsps than those are deployed on single dsp, why?

Part Number: TDA4VH-Q1

Tool/software:

Hi,  TI  Expert

we have several group of exams as follows:

case 1: pipeline depth = 1     model A running on C7x-1 model B running on C7x-2

[C7x_1 ]  10542.613267 s: =================tidl process exhausted total=95 ms   //A model

[C7x_2 ]  10542.635209 s: =================tidl process exhausted total=101 ms  //B model

 

[C7x_1 ]  10545.013252 s: =================tidl process exhausted total=92 ms  //A model

[C7x_2 ]  10545.015831 s: =================tidl process exhausted total=96 ms  //B model

 

case 2: Pipeline depth=2,model A running C7x-2,model B running on C7x-1  

[C7x_2 ]   9541.888283 s: =================tidl process exhausted total=95 ms  //A model

[C7x_1 ]   9541.910465 s: =================tidl process exhausted total=101 ms   //B model

 

[C7x_2 ]   9544.168862 s: =================tidl process exhausted total=93 ms  //A model

[C7x_1 ]   9544.187310 s: =================tidl process exhausted total=100 ms  //B model


 

case 3: pipeline depth=1  only model B running on C7x-2

[C7x_2 ]  11459.889934 s: =================tidl process exhausted total=69 ms

 

case 4: pipeline depth=1   model A and model B both running on C7x-2

[C7x_2 ]  12410.281604 s: =================tidl process exhausted total=85 ms  //A model

[C7x_2 ]  12410.351151 s: =================tidl process exhausted total=69 ms   //B model

[C7x_2 ]  12412.564401 s: =================tidl process exhausted total=83 ms  //A model

[C7x_2 ]  12412.633824 s: =================tidl process exhausted total=69 ms   //B model

so i have doubt on the test result above. why is the time exhaust when two models are deployed on different dsp more  than that when those are deployed on single dsp?

looking forward to your replay!

Thanks