ggml : add comment about backward GGML_OP_DIAG_MASK_INF (#4203)

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Herman Semenov 2023-12-22 09:26:49 +00:00 committed by GitHub
parent 28cb35a0ec
commit 48b24b170e
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2
ggml.c
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@ -15335,6 +15335,8 @@ static void ggml_compute_backward(struct ggml_context * ctx, struct ggml_tensor
const int n_past = ((int32_t *) tensor->op_params)[0];
src0->grad =
ggml_add_or_set(ctx, src0->grad,
/* ggml_diag_mask_inf_impl() shouldn't be here */
/* ref: https://github.com/ggerganov/llama.cpp/pull/4203#discussion_r1412377992 */
ggml_diag_mask_zero_impl(ctx, tensor->grad, n_past, false),
zero_table);
}