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Diffstat (limited to 'docs/use_cases/img_class.md')
| -rw-r--r-- | docs/use_cases/img_class.md | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/docs/use_cases/img_class.md b/docs/use_cases/img_class.md index b3544de..ae74d8a 100644 --- a/docs/use_cases/img_class.md +++ b/docs/use_cases/img_class.md @@ -319,7 +319,6 @@ What the preceding choices do: 4. Show NN model info: Prints information about the model data type, input, and output, tensor sizes: ```log - INFO - uTFL version: 2.5.0 INFO - Model info: INFO - Model INPUT tensors: INFO - tensor type is UINT8 @@ -329,19 +328,20 @@ What the preceding choices do: INFO - 2: 224 INFO - 3: 3 INFO - Quant dimension: 0 - INFO - Scale[0] = 0.007812 - INFO - ZeroPoint[0] = 128 + INFO - Scale[0] = 0.007843 + INFO - ZeroPoint[0] = -1 INFO - Model OUTPUT tensors: - INFO - tensor type is UINT8 + INFO - tensor type is INT8 INFO - tensor occupies 1001 bytes with dimensions INFO - 0: 1 INFO - 1: 1001 INFO - Quant dimension: 0 - INFO - Scale[0] = 0.098893 - INFO - ZeroPoint[0] = 58 - INFO - Activation buffer (a.k.a tensor arena) size used: 521760 + INFO - Scale[0] = 0.03906 + INFO - ZeroPoint[0] = -128 + INFO - Activation buffer (a.k.a tensor arena) size used: 1510012 INFO - Number of operators: 1 INFO - Operator 0: ethos-u + ``` 5. List Images: Prints a list of pair image indexes. The original filenames are embedded in the application, like so: @@ -364,18 +364,18 @@ The following example illustrates an application output for classification: INFO - Running inference on image 0 => cat.bmp INFO - Final results: INFO - Total number of inferences: 1 -INFO - 0) 282 (14.636096) -> tabby, tabby cat -INFO - 1) 286 (14.537203) -> Egyptian cat -INFO - 2) 283 (12.757138) -> tiger cat -INFO - 3) 458 (7.021370) -> bow tie, bow-tie, bowtie -INFO - 4) 288 (7.021370) -> lynx, catamount +INFO - 0) 282 (0.753906) -> tabby, tabby cat +INFO - 1) 286 (0.148438) -> Egyptian cat +INFO - 2) 283 (0.062500) -> tiger cat +INFO - 3) 458 (0.003906) -> bow tie, bow-tie, bowtie +INFO - 4) 288 (0.003906) -> lynx, catamount INFO - Profile for Inference: -INFO - NPU AXI0_RD_DATA_BEAT_RECEIVED beats: 2489726 -INFO - NPU AXI0_WR_DATA_BEAT_WRITTEN beats: 1098726 -INFO - NPU AXI1_RD_DATA_BEAT_RECEIVED beats: 471129 -INFO - NPU ACTIVE cycles: 7489258 -INFO - NPU IDLE cycles: 914 -INFO - NPU TOTAL cycles: 7490172 +INFO - NPU AXI0_RD_DATA_BEAT_RECEIVED beats: 2468259 +INFO - NPU AXI0_WR_DATA_BEAT_WRITTEN beats: 1151319 +INFO - NPU AXI1_RD_DATA_BEAT_RECEIVED beats: 432351 +INFO - NPU ACTIVE cycles: 7345741 +INFO - NPU IDLE cycles: 431 +INFO - NPU TOTAL cycles: 7346172 ``` It can take several minutes to complete one inference run. The average time is around 2-3 minutes. @@ -387,18 +387,18 @@ The profiling section of the log shows that for this inference: - *Ethos-U* PMU report: - - 7,490,172 total cycle: The number of NPU cycles. + - 7,346,172 total cycle: The number of NPU cycles. - - 7,489,258 active cycles: The number of NPU cycles that were used for computation. + - 7,345,741 active cycles: The number of NPU cycles that were used for computation. - - 914 idle cycles: The number of cycles for which the NPU was idle. + - 413 idle cycles: The number of cycles for which the NPU was idle. - - 2,489,726 AXI0 read beats: The number of AXI beats with read transactions from AXI0 bus. AXI0 is the bus where the + - 2,468,259 AXI0 read beats: The number of AXI beats with read transactions from AXI0 bus. AXI0 is the bus where the *Ethos-U* NPU reads and writes to the computation buffers, activation buf, or tensor arenas. - - 1,098,726 AXI0 write beats: The number of AXI beats with write transactions to AXI0 bus. + - 1,151,319 AXI0 write beats: The number of AXI beats with write transactions to AXI0 bus. - - 471,129 AXI1 read beats: The number of AXI beats with read transactions from AXI1 bus. AXI1 is the bus where the + - 432,351 AXI1 read beats: The number of AXI beats with read transactions from AXI1 bus. AXI1 is the bus where the *Ethos-U* NPU reads the model. So, read-only. - For FPGA platforms, a CPU cycle count can also be enabled. However, do not use cycle counters for FVP, as the CPU |