whisper : fix extra memory usage (#2534)

vinmisra · Vinith Misra · web-flow · commit 31aea563a838 · 2024-11-06T23:02:11.000+02:00
* passing samples_padded by ref to the threads.

* passing samples_padded by ref to the threads.

---------

Co-authored-by: Vinith Misra &lt;physicsdemon@gmail.com&gt;
diff --git a/src/whisper.cpp b/src/whisper.cpp
@@ -3164,7 +3164,7 @@ static bool log_mel_spectrogram(
         std::vector<std::thread> workers(n_threads - 1);
         for (int iw = 0; iw < n_threads - 1; ++iw) {
             workers[iw] = std::thread(
-                    log_mel_spectrogram_worker_thread, iw + 1, hann, samples_padded,
+                    log_mel_spectrogram_worker_thread, iw + 1, hann, std::cref(samples_padded),
                     n_samples + stage_2_pad, frame_size, frame_step, n_threads,
                     std::cref(filters), std::ref(mel));
         }

Original file line number	Diff line number	Diff line change
`@@ -3164,7 +3164,7 @@ static bool log_mel_spectrogram(`
`3164`	`3164`	`std::vector<std::thread> workers(n_threads - 1);`
`3165`	`3165`	`for (int iw = 0; iw < n_threads - 1; ++iw) {`
`3166`	`3166`	`workers[iw] = std::thread(`
`3167`		`- log_mel_spectrogram_worker_thread, iw + 1, hann, samples_padded,`
	`3167`	`+ log_mel_spectrogram_worker_thread, iw + 1, hann, std::cref(samples_padded),`
`3168`	`3168`	`n_samples + stage_2_pad, frame_size, frame_step, n_threads,`
`3169`	`3169`	`std::cref(filters), std::ref(mel));`
`3170`	`3170`	`}`