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whisper.cpp
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Georgi Gerganov 2 years ago
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@ -35,9 +35,10 @@ For a quick demo, simply run `make base.en`:
```java
$ make base.en
cc -O3 -std=c11 -Wall -Wextra -Wno-unused-parameter -Wno-unused-function -pthread -c ggml.c
cc -O3 -std=c11 -Wall -Wextra -Wno-unused-parameter -Wno-unused-function -pthread -DGGML_USE_ACCELERATE -c ggml.c
c++ -O3 -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wno-unused-function -pthread -c whisper.cpp
c++ -O3 -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wno-unused-function -pthread main.cpp whisper.o ggml.o -o main
c++ -O3 -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wno-unused-function -pthread main.cpp whisper.o ggml.o -o main -framework Accelerate
./main -h
usage: ./main [options] file0.wav file1.wav ...
@ -60,7 +61,7 @@ options:
bash ./download-ggml-model.sh base.en
Downloading ggml model base.en ...
models/ggml-base.en.bin 100%[===================================>] 141.11M 6.49MB/s in 23s
models/ggml-base.en.bin 100%[=============================================>] 141.11M 3.13MB/s in 79s
Done! Model 'base.en' saved in 'models/ggml-base.en.bin'
You can now use it like this:
@ -88,7 +89,7 @@ whisper_model_load: n_text_layer = 6
whisper_model_load: n_mels = 80
whisper_model_load: f16 = 1
whisper_model_load: type = 2
whisper_model_load: mem_required = 377.00 MB
whisper_model_load: mem_required = 505.00 MB
whisper_model_load: adding 1607 extra tokens
whisper_model_load: ggml ctx size = 163.43 MB
whisper_model_load: memory size = 22.83 MB
@ -99,12 +100,12 @@ main: processing 'samples/jfk.wav' (176000 samples, 11.0 sec), 4 threads, lang =
[00:00.000 --> 00:11.000] And so my fellow Americans, ask not what your country can do for you, ask what you can do for your country.
whisper_print_timings: load time = 77.48 ms
whisper_print_timings: mel time = 26.10 ms
whisper_print_timings: sample time = 2.19 ms
whisper_print_timings: encode time = 632.95 ms / 105.49 ms per layer
whisper_print_timings: decode time = 85.11 ms / 14.18 ms per layer
whisper_print_timings: total time = 824.14 ms
whisper_print_timings: load time = 87.21 ms
whisper_print_timings: mel time = 24.26 ms
whisper_print_timings: sample time = 3.87 ms
whisper_print_timings: encode time = 323.67 ms / 53.94 ms per layer
whisper_print_timings: decode time = 83.25 ms / 13.87 ms per layer
whisper_print_timings: total time = 522.66 ms
```
The command downloads the `base.en` model converted to custom `ggml` format and runs the inference on all `.wav` samples in the folder `samples`.
@ -145,7 +146,7 @@ make large
## Another example
Here is another example of transcribing a [3:24 min speech](https://upload.wikimedia.org/wikipedia/commons/1/1f/George_W_Bush_Columbia_FINAL.ogg)
in less than a minute on a MacBook M1 Pro, using `medium.en` model:
in about half a minute on a MacBook M1 Pro, using `medium.en` model:
```java
$ ./main -m models/ggml-medium.en.bin -f samples/gb1.wav -t 8
@ -163,51 +164,55 @@ whisper_model_load: n_text_layer = 24
whisper_model_load: n_mels = 80
whisper_model_load: f16 = 1
whisper_model_load: type = 4
whisper_model_load: mem_required = 2502.00 MB
whisper_model_load: mem_required = 2610.00 MB
whisper_model_load: adding 1607 extra tokens
whisper_model_load: ggml ctx size = 1644.97 MB
whisper_model_load: memory size = 182.62 MB
whisper_model_load: model size = 1462.12 MB
log_mel_spectrogram: n_sample = 3179750, n_len = 19873
log_mel_spectrogram: recording length: 198.734375 s
main: processing 3179750 samples (198.7 sec), 8 threads, lang = english, task = transcribe, timestamps = 1 ...
main: processing 'samples/gb1.wav' (3179750 samples, 198.7 sec), 8 threads, lang = en, task = transcribe, timestamps = 1 ...
[00:00.000 --> 00:08.000] My fellow Americans, this day has brought terrible news and great sadness to our country.
[00:08.000 --> 00:17.000] At 9 o'clock this morning, Mission Control in Houston lost contact with our Space Shuttle Columbia.
[00:17.000 --> 00:24.000] A short time later, debris was seen falling from the skies above Texas.
[00:24.000 --> 00:29.000] The Columbia's lost. There are no survivors.
[00:08.000 --> 00:17.000] At nine o'clock this morning, Mission Control in Houston lost contact with our Space Shuttle Columbia.
[00:17.000 --> 00:23.000] A short time later, debris was seen falling from the skies above Texas.
[00:23.000 --> 00:29.000] The Columbia's lost. There are no survivors.
[00:29.000 --> 00:32.000] On board was a crew of seven.
[00:32.000 --> 00:43.000] Colonel Rick Husband, Lieutenant Colonel Michael Anderson, Commander Laurel Clark, Captain David Brown, Commander William McCool,
[00:43.000 --> 00:52.000] Dr. Kultner Aschavla, and Elon Ramon, a Colonel in the Israeli Air Force.
[00:32.000 --> 00:39.000] Colonel Rick Husband, Lieutenant Colonel Michael Anderson, Commander Laurel Clark,
[00:39.000 --> 00:48.000] Captain David Brown, Commander William McCool, Dr. Kultna Shavla, and Ilan Ramon,
[00:48.000 --> 00:52.000] a colonel in the Israeli Air Force.
[00:52.000 --> 00:58.000] These men and women assumed great risk in the service to all humanity.
[00:58.000 --> 01:06.000] In an age when space flight has come to seem almost routine, it is easy to overlook the dangers of travel by rocket
[01:06.000 --> 01:12.000] and the difficulties of navigating the fierce outer atmosphere of the Earth.
[01:12.000 --> 01:22.000] These astronauts knew the dangers, and they faced them willingly, knowing they had a high and noble purpose in life.
[01:22.000 --> 01:30.000] Because of their courage, endearing, and idealism, we will miss them all the more.
[01:30.000 --> 01:40.000] All Americans today are thinking as well of the families of these men and women who have been given this sudden shock and grief.
[01:40.000 --> 01:45.000] You're not alone. Our entire nation agrees with you.
[01:45.000 --> 01:52.000] And those you love will always have the respect and gratitude of this country.
[00:58.000 --> 01:03.000] In an age when space flight has come to seem almost routine,
[01:03.000 --> 01:07.000] it is easy to overlook the dangers of travel by rocket
[01:07.000 --> 01:12.000] and the difficulties of navigating the fierce outer atmosphere of the Earth.
[01:12.000 --> 01:18.000] These astronauts knew the dangers, and they faced them willingly,
[01:18.000 --> 01:23.000] knowing they had a high and noble purpose in life.
[01:23.000 --> 01:31.000] Because of their courage and daring and idealism, we will miss them all the more.
[01:31.000 --> 01:36.000] All Americans today are thinking as well of the families of these men and women
[01:36.000 --> 01:40.000] who have been given this sudden shock and grief.
[01:40.000 --> 01:45.000] You're not alone. Our entire nation grieves with you,
[01:45.000 --> 01:52.000] and those you love will always have the respect and gratitude of this country.
[01:52.000 --> 01:56.000] The cause in which they died will continue.
[01:56.000 --> 02:07.000] Mankind is led into the darkness beyond our world by the inspiration of discovery and the longing to understand.
[02:07.000 --> 02:11.000] Our journey into space will go on.
[01:56.000 --> 02:04.000] Mankind is led into the darkness beyond our world by the inspiration of discovery
[02:04.000 --> 02:11.000] and the longing to understand. Our journey into space will go on.
[02:11.000 --> 02:16.000] In the skies today, we saw destruction and tragedy.
[02:16.000 --> 02:22.000] Yet farther than we can see, there is comfort and hope.
[02:22.000 --> 02:31.000] In the words of the prophet Isaiah, "Lift your eyes and look to the heavens who created all these.
[02:31.000 --> 02:39.000] He who brings out the starry hosts one by one and calls them each by name."
[02:39.000 --> 02:46.000] Because of his great power and mighty strength, not one of them is missing.
[02:46.000 --> 02:55.000] The same creator who names the stars also knows the names of the seven souls we mourn today.
[02:55.000 --> 03:05.000] The crew of the shuttle Columbia did not return safely to Earth, yet we can pray that all are safely home.
[03:05.000 --> 03:14.000] May God bless the grieving families and may God continue to bless America.
[03:14.000 --> 03:24.000] [Music]
main: load time = 522.18 ms
main: mel time = 423.43 ms
main: sample time = 31.42 ms
main: encode time = 41518.51 ms / 1729.94 ms per layer
main: decode time = 14907.22 ms
main: total time = 57416.63 ms
[02:22.000 --> 02:29.000] In the words of the prophet Isaiah, "Lift your eyes and look to the heavens
[02:29.000 --> 02:35.000] who created all these. He who brings out the starry hosts one by one
[02:35.000 --> 02:39.000] and calls them each by name."
[02:39.000 --> 02:46.000] Because of His great power and mighty strength, not one of them is missing.
[02:46.000 --> 02:55.000] The same Creator who names the stars also knows the names of the seven souls we mourn today.
[02:55.000 --> 03:01.000] The crew of the shuttle Columbia did not return safely to earth,
[03:01.000 --> 03:05.000] yet we can pray that all are safely home.
[03:05.000 --> 03:13.000] May God bless the grieving families, and may God continue to bless America.
[03:13.000 --> 03:41.000] Audio
whisper_print_timings: load time = 575.92 ms
whisper_print_timings: mel time = 230.60 ms
whisper_print_timings: sample time = 73.19 ms
whisper_print_timings: encode time = 19552.61 ms / 814.69 ms per layer
whisper_print_timings: decode time = 13249.96 ms / 552.08 ms per layer
whisper_print_timings: total time = 33686.27 ms
```
## Real-time audio input example

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