Build sample on qemueriscv64 (core-image-full-cmdline).
git clone https://github.com/openembedded/bitbake.git
git clone https://github.com/openembedded/openembedded-core.git
git clone https://github.com/openembedded/meta-openembedded.git
git clone https://github.com/riscv/meta-riscv.git
git clone https://github.com/NobuoTsukamoto/meta-tensorflow-lite.git
source openembedded-core/oe-init-build-env build
bitbake-layers add-layer ../meta-openembedded/meta-oe/
bitbake-layers add-layer ../meta-openembedded/meta-python/
bitbake-layers add-layer ../meta-openembedded/meta-networking/
bitbake-layers add-layer ../meta-openembedded/meta-multimedia/
bitbake-layers add-layer ../meta-riscv/
bitbake-layers add-layer ../meta-tensorflow-lite/
Add tensorflow-lite-benchmark recipes to conf/auto.conf file.
IMAGE_INSTALL:append = " tensorflow-lite-benchmark"
MACHINE=qemuriscv64 bitbake core-image-full-cmdline
MACHINE=qemuriscv64 runqemu nographic
login root and run benchmark tool.
cd /usr/share/tensorflow/lite/tools/benchmark/
./benchmark_model \
--graph=./mobilenet_v1_1.0_224.tflite \
--num_threads=4 \
--enable_op_profiling=true
The following results can be obtained.
STARTING!
Log parameter values verbosely: [0]
Num threads: [4]
Graph: [./mobilenet_v1_1.0_224.tflite]
Enable op profiling: [1]
#threads used for CPU inference: [4]
Loaded model ./mobilenet_v1_1.0_224.tflite
The input model file size (MB): 16.9008
Initialized session in 17.187ms.
Running benchmark for at least 1 iterations and at least 0.5 seconds but terminate if exceeding 150 seconds.
count=1 curr=3512391
Running benchmark for at least 50 iterations and at least 1 seconds but terminate if exceeding 150 seconds.
count=50 first=2990275 curr=2913402 min=2727568 max=3189954 avg=2.95034e+06 std=109798
Inference timings in us: Init: 17187, First inference: 3512391, Warmup (avg): 3.51239e+06, Inference (avg): 2.95034e+06
Note: as the benchmark tool itself affects memory footprint, the following is only APPROXIMATE to the actual memory footprint of the model at runtime. Take the information at your discretion.
Memory footprint delta from the start of the tool (MB): init=4.21094 overall=46.0859
Profiling Info for Benchmark Initialization:
============================== Run Order ==============================
[node type] [start] [first] [avg ms] [%] [cdf%] [mem KB] [times called] [Name]
AllocateTensors 0.000 1.356 1.356 100.000% 100.000% 0.000 1 AllocateTensors/0
============================== Top by Computation Time ==============================
[node type] [start] [first] [avg ms] [%] [cdf%] [mem KB] [times called] [Name]
AllocateTensors 0.000 1.356 1.356 100.000% 100.000% 0.000 1 AllocateTensors/0
Number of nodes executed: 1
============================== Summary by node type ==============================
[Node type] [count] [avg ms] [avg %] [cdf %] [mem KB] [times called]
AllocateTensors 1 1.356 100.000% 100.000% 0.000 1
Timings (microseconds): count=1 curr=1356
Memory (bytes): count=0
1 nodes observed
Operator-wise Profiling Info for Regular Benchmark Runs:
============================== Run Order ==============================
[node type] [start] [first] [avg ms] [%] [cdf%] [mem KB] [times called] [Name]
CONV_2D 0.066 87.754 60.957 2.066% 2.066% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_0/Relu6]:0
DEPTHWISE_CONV_2D 61.033 53.628 49.870 1.691% 3.757% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_1_depthwise/Relu6]:1
CONV_2D 110.912 134.346 147.808 5.011% 8.768% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_1_pointwise/Relu6]:2
DEPTHWISE_CONV_2D 258.730 27.363 34.010 1.153% 9.921% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_2_depthwise/Relu6]:3
CONV_2D 292.750 125.424 135.911 4.607% 14.528% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_2_pointwise/Relu6]:4
DEPTHWISE_CONV_2D 428.672 38.643 47.423 1.608% 16.135% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_3_depthwise/Relu6]:5
CONV_2D 476.101 233.972 242.524 8.221% 24.357% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_3_pointwise/Relu6]:6
DEPTHWISE_CONV_2D 718.645 35.876 19.039 0.645% 25.002% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_4_depthwise/Relu6]:7
CONV_2D 737.691 144.354 130.485 4.423% 29.426% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_4_pointwise/Relu6]:8
DEPTHWISE_CONV_2D 868.186 32.953 30.232 1.025% 30.450% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_5_depthwise/Relu6]:9
CONV_2D 898.426 263.724 277.374 9.403% 39.853% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_5_pointwise/Relu6]:10
DEPTHWISE_CONV_2D 1175.813 13.673 11.954 0.405% 40.258% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_6_depthwise/Relu6]:11
CONV_2D 1187.773 166.067 137.816 4.672% 44.930% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_6_pointwise/Relu6]:12
DEPTHWISE_CONV_2D 1325.600 19.176 15.824 0.536% 45.467% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_7_depthwise/Relu6]:13
CONV_2D 1341.430 238.119 230.753 7.822% 53.289% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_7_pointwise/Relu6]:14
DEPTHWISE_CONV_2D 1572.193 20.572 16.234 0.550% 53.839% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_8_depthwise/Relu6]:15
CONV_2D 1588.434 230.877 249.023 8.442% 62.281% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_8_pointwise/Relu6]:16
DEPTHWISE_CONV_2D 1837.471 14.557 22.527 0.764% 63.045% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_9_depthwise/Relu6]:17
CONV_2D 1860.007 276.404 243.619 8.259% 71.303% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_9_pointwise/Relu6]:18
DEPTHWISE_CONV_2D 2103.639 24.506 16.815 0.570% 71.873% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_10_depthwise/Relu6]:19
CONV_2D 2120.467 224.358 248.456 8.423% 80.296% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_10_pointwise/Relu6]:20
DEPTHWISE_CONV_2D 2368.936 27.001 21.415 0.726% 81.022% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_11_depthwise/Relu6]:21
CONV_2D 2390.360 239.657 242.949 8.236% 89.258% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_11_pointwise/Relu6]:22
DEPTHWISE_CONV_2D 2633.321 16.929 5.845 0.198% 89.456% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_12_depthwise/Relu6]:23
CONV_2D 2639.171 109.905 114.411 3.878% 93.334% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_12_pointwise/Relu6]:24
DEPTHWISE_CONV_2D 2753.591 4.318 5.736 0.194% 93.529% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_13_depthwise/Relu6]:25
CONV_2D 2759.331 173.079 177.589 6.020% 99.549% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_13_pointwise/Relu6]:26
AVERAGE_POOL_2D 2936.930 0.828 0.869 0.029% 99.578% 0.000 1 [MobilenetV1/Logits/AvgPool_1a/AvgPool]:27
CONV_2D 2937.801 11.354 12.185 0.413% 99.992% 0.000 1 [MobilenetV1/Logits/Conv2d_1c_1x1/BiasAdd]:28
SQUEEZE 2949.993 0.013 0.017 0.001% 99.992% 0.000 1 [MobilenetV1/Logits/SpatialSqueeze]:29
SOFTMAX 2950.011 0.230 0.233 0.008% 100.000% 0.000 1 [MobilenetV1/Predictions/Reshape_1]:30
============================== Top by Computation Time ==============================
[node type] [start] [first] [avg ms] [%] [cdf%] [mem KB] [times called] [Name]
CONV_2D 898.426 263.724 277.374 9.403% 9.403% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_5_pointwise/Relu6]:10
CONV_2D 1588.434 230.877 249.023 8.442% 17.845% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_8_pointwise/Relu6]:16
CONV_2D 2120.467 224.358 248.456 8.423% 26.267% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_10_pointwise/Relu6]:20
CONV_2D 1860.007 276.404 243.619 8.259% 34.526% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_9_pointwise/Relu6]:18
CONV_2D 2390.360 239.657 242.949 8.236% 42.761% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_11_pointwise/Relu6]:22
CONV_2D 476.101 233.972 242.524 8.221% 50.983% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_3_pointwise/Relu6]:6
CONV_2D 1341.430 238.119 230.753 7.822% 58.805% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_7_pointwise/Relu6]:14
CONV_2D 2759.331 173.079 177.589 6.020% 64.825% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_13_pointwise/Relu6]:26
CONV_2D 110.912 134.346 147.808 5.011% 69.836% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_1_pointwise/Relu6]:2
CONV_2D 1187.773 166.067 137.816 4.672% 74.508% 0.000 1 [MobilenetV1/MobilenetV1/Conv2d_6_pointwise/Relu6]:12
Number of nodes executed: 31
============================== Summary by node type ==============================
[Node type] [count] [avg ms] [avg %] [cdf %] [mem KB] [times called]
CONV_2D 15 2651.853 89.897% 89.897% 0.000 15
DEPTHWISE_CONV_2D 13 296.919 10.065% 99.962% 0.000 13
AVERAGE_POOL_2D 1 0.869 0.029% 99.992% 0.000 1
SOFTMAX 1 0.232 0.008% 99.999% 0.000 1
SQUEEZE 1 0.016 0.001% 100.000% 0.000 1
Timings (microseconds): count=50 first=2989660 curr=2912978 min=2727203 max=3189476 avg=2.9499e+06 std=109770
Memory (bytes): count=0
31 nodes observed