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whisper : add support for backends with multiple ggml_backend_buffer_type #2863

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Merged
merged 3 commits into from
Mar 26, 2025
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whisper : add support for backends with multiple ggml_backend_buffer_type #2863

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ee19e15
whisper : add support for ggml_backend_buffer_type
eddnjjn Feb 26, 2025
e32becc
fix compile error when building on Ubuntu
eddnjjn Mar 4, 2025
eb1357d
remove copyright header from include file
eddnjjn Mar 26, 2025
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1 change: 1 addition & 0 deletions src/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,7 @@ endif()

add_library(whisper
../include/whisper.h
whisper-arch.h
whisper.cpp
)

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145 changes: 145 additions & 0 deletions src/whisper-arch.h
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@@ -0,0 +1,145 @@
// SPDX-FileCopyrightText: Copyright 2025 Arm Limited and/or its affiliates <[email protected]>
// SPDX-License-Identifier: MIT
//

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Please remove this copyright notice.

#pragma once

#include "ggml.h"

#include <map>

enum asr_tensor {
ASR_TENSOR_ENC_POS_EMBD,
ASR_TENSOR_DEC_POS_EMBD,
ASR_TENSOR_DEC_TOKEN_EMBD_WEIGHT,
ASR_TENSOR_LN_WEIGHT,
ASR_TENSOR_LN_BIAS,
ASR_TENSOR_CONV1_WEIGHT,
ASR_TENSOR_CONV1_BIAS,
ASR_TENSOR_CONV2_WEIGHT,
ASR_TENSOR_CONV2_BIAS,
ASR_TENSOR_LN_POST_WEIGHT,
ASR_TENSOR_LN_POST_BIAS,
ASR_TENSOR_MLP_LN_WEIGHT,
ASR_TENSOR_MLP_LN_BIAS,
ASR_TENSOR_MLP_0_WEIGHT,
ASR_TENSOR_MLP_0_BIAS,
ASR_TENSOR_MLP_2_WEIGHT,
ASR_TENSOR_MLP_2_BIAS,
ASR_TENSOR_ATTN_LN_WEIGHT,
ASR_TENSOR_ATTN_LN_BIAS,
ASR_TENSOR_ATTN_QUERY_WEIGHT,
ASR_TENSOR_ATTN_QUERY_BIAS,
ASR_TENSOR_ATTN_KEY_WEIGHT,
ASR_TENSOR_ATTN_VALUE_WEIGHT,
ASR_TENSOR_ATTN_VALUE_BIAS,
ASR_TENSOR_ATTN_OUT_WEIGHT,
ASR_TENSOR_ATTN_OUT_BIAS,
};

enum asr_system {
ASR_SYSTEM_ENCODER,
ASR_SYSTEM_DECODER,
ASR_SYSTEM_CROSS
};

static const std::map<asr_system, std::map<asr_tensor, const char *>> ASR_TENSOR_NAMES = {
{
ASR_SYSTEM_ENCODER,
{
{ASR_TENSOR_ENC_POS_EMBD, "encoder.positional_embedding"},
{ASR_TENSOR_CONV1_WEIGHT, "encoder.conv1.weight"},
{ASR_TENSOR_CONV1_BIAS, "encoder.conv1.bias"},
{ASR_TENSOR_CONV2_WEIGHT, "encoder.conv2.weight"},
{ASR_TENSOR_CONV2_BIAS, "encoder.conv2.bias"},
{ASR_TENSOR_LN_WEIGHT, "encoder.ln_post.weight"},
{ASR_TENSOR_LN_POST_BIAS, "encoder.ln_post.bias"},
{ASR_TENSOR_MLP_LN_WEIGHT, "encoder.blocks.%d.mlp_ln.weight"},
{ASR_TENSOR_MLP_LN_BIAS, "encoder.blocks.%d.mlp_ln.bias"},
{ASR_TENSOR_MLP_0_WEIGHT, "encoder.blocks.%d.mlp.0.weight"},
{ASR_TENSOR_MLP_0_BIAS, "encoder.blocks.%d.mlp.0.bias"},
{ASR_TENSOR_MLP_2_WEIGHT, "encoder.blocks.%d.mlp.2.weight"},
{ASR_TENSOR_MLP_2_BIAS, "encoder.blocks.%d.mlp.2.bias"},
{ASR_TENSOR_ATTN_LN_WEIGHT, "encoder.blocks.%d.attn_ln.weight"},
{ASR_TENSOR_ATTN_LN_BIAS, "encoder.blocks.%d.attn_ln.bias"},
{ASR_TENSOR_ATTN_QUERY_WEIGHT, "encoder.blocks.%d.attn.query.weight"},
{ASR_TENSOR_ATTN_QUERY_BIAS, "encoder.blocks.%d.attn.query.bias"},
{ASR_TENSOR_ATTN_KEY_WEIGHT, "encoder.blocks.%d.attn.key.weight"},
{ASR_TENSOR_ATTN_VALUE_WEIGHT, "encoder.blocks.%d.attn.value.weight"},
{ASR_TENSOR_ATTN_VALUE_BIAS, "encoder.blocks.%d.attn.value.bias"},
{ASR_TENSOR_ATTN_OUT_WEIGHT, "encoder.blocks.%d.attn.out.weight"},
{ASR_TENSOR_ATTN_OUT_BIAS, "encoder.blocks.%d.attn.out.bias"},
},
},
{
ASR_SYSTEM_DECODER,
{
{ASR_TENSOR_DEC_POS_EMBD, "decoder.positional_embedding"},
{ASR_TENSOR_DEC_TOKEN_EMBD_WEIGHT, "decoder.token_embedding.weight"},
{ASR_TENSOR_LN_WEIGHT, "decoder.ln.weight"},
{ASR_TENSOR_LN_BIAS, "decoder.ln.bias"},

{ASR_TENSOR_MLP_LN_WEIGHT, "decoder.blocks.%d.mlp_ln.weight"},
{ASR_TENSOR_MLP_LN_BIAS, "decoder.blocks.%d.mlp_ln.bias"},
{ASR_TENSOR_MLP_0_WEIGHT, "decoder.blocks.%d.mlp.0.weight"},
{ASR_TENSOR_MLP_0_BIAS, "decoder.blocks.%d.mlp.0.bias"},
{ASR_TENSOR_MLP_2_WEIGHT, "decoder.blocks.%d.mlp.2.weight"},
{ASR_TENSOR_MLP_2_BIAS, "decoder.blocks.%d.mlp.2.bias"},
{ASR_TENSOR_ATTN_LN_WEIGHT, "decoder.blocks.%d.attn_ln.weight"},
{ASR_TENSOR_ATTN_LN_BIAS, "decoder.blocks.%d.attn_ln.bias"},
{ASR_TENSOR_ATTN_QUERY_WEIGHT, "decoder.blocks.%d.attn.query.weight"},
{ASR_TENSOR_ATTN_QUERY_BIAS, "decoder.blocks.%d.attn.query.bias"},
{ASR_TENSOR_ATTN_KEY_WEIGHT, "decoder.blocks.%d.attn.key.weight"},
{ASR_TENSOR_ATTN_VALUE_WEIGHT, "decoder.blocks.%d.attn.value.weight"},
{ASR_TENSOR_ATTN_VALUE_BIAS, "decoder.blocks.%d.attn.value.bias"},
{ASR_TENSOR_ATTN_OUT_WEIGHT, "decoder.blocks.%d.attn.out.weight"},
{ASR_TENSOR_ATTN_OUT_BIAS, "decoder.blocks.%d.attn.out.bias"},
},
},
{
ASR_SYSTEM_CROSS,
{
{ASR_TENSOR_ATTN_LN_WEIGHT, "decoder.blocks.%d.cross_attn_ln.weight"},
{ASR_TENSOR_ATTN_LN_BIAS, "decoder.blocks.%d.cross_attn_ln.bias"},
{ASR_TENSOR_ATTN_QUERY_WEIGHT, "decoder.blocks.%d.cross_attn.query.weight"},
{ASR_TENSOR_ATTN_QUERY_BIAS, "decoder.blocks.%d.cross_attn.query.bias"},
{ASR_TENSOR_ATTN_KEY_WEIGHT, "decoder.blocks.%d.cross_attn.key.weight"},
{ASR_TENSOR_ATTN_VALUE_WEIGHT, "decoder.blocks.%d.cross_attn.value.weight"},
{ASR_TENSOR_ATTN_VALUE_BIAS, "decoder.blocks.%d.cross_attn.value.bias"},
{ASR_TENSOR_ATTN_OUT_WEIGHT, "decoder.blocks.%d.cross_attn.out.weight"},
{ASR_TENSOR_ATTN_OUT_BIAS, "decoder.blocks.%d.cross_attn.out.bias"},
},
},
};

static const std::map<asr_tensor, ggml_op> ASR_TENSOR_INFO = {
{ASR_TENSOR_ENC_POS_EMBD, GGML_OP_ADD},
{ASR_TENSOR_DEC_POS_EMBD, GGML_OP_GET_ROWS},
// Note: ASR_TENSOR_DEC_TOKEN_EMBD_WEIGHT is also used by GGML_OP_MAT_MUL. Need to figure out a way how to handle
// weight tensors that are used by multiple different operators when extra_buffer_type implementations accelerate
// more than just GGML_OP_MUL_MAT.
{ASR_TENSOR_DEC_TOKEN_EMBD_WEIGHT, GGML_OP_GET_ROWS},
{ASR_TENSOR_LN_WEIGHT, GGML_OP_MUL},
{ASR_TENSOR_LN_BIAS, GGML_OP_ADD},
{ASR_TENSOR_CONV1_WEIGHT, GGML_OP_IM2COL},
{ASR_TENSOR_CONV1_BIAS, GGML_OP_ADD},
{ASR_TENSOR_CONV2_WEIGHT, GGML_OP_IM2COL},
{ASR_TENSOR_CONV2_BIAS, GGML_OP_ADD},
{ASR_TENSOR_LN_POST_WEIGHT, GGML_OP_MUL},
{ASR_TENSOR_LN_POST_BIAS, GGML_OP_ADD},
{ASR_TENSOR_MLP_LN_WEIGHT, GGML_OP_MUL},
{ASR_TENSOR_MLP_LN_BIAS, GGML_OP_ADD},
{ASR_TENSOR_MLP_0_WEIGHT, GGML_OP_MUL_MAT},
{ASR_TENSOR_MLP_0_BIAS, GGML_OP_ADD},
{ASR_TENSOR_MLP_2_WEIGHT, GGML_OP_MUL_MAT},
{ASR_TENSOR_MLP_2_BIAS, GGML_OP_ADD},
{ASR_TENSOR_ATTN_LN_WEIGHT, GGML_OP_MUL},
{ASR_TENSOR_ATTN_LN_BIAS, GGML_OP_ADD},
{ASR_TENSOR_ATTN_QUERY_WEIGHT, GGML_OP_MUL_MAT},
{ASR_TENSOR_ATTN_QUERY_BIAS, GGML_OP_ADD},
{ASR_TENSOR_ATTN_KEY_WEIGHT, GGML_OP_MUL_MAT},
{ASR_TENSOR_ATTN_VALUE_WEIGHT, GGML_OP_MUL_MAT},
{ASR_TENSOR_ATTN_VALUE_BIAS, GGML_OP_ADD},
{ASR_TENSOR_ATTN_OUT_WEIGHT, GGML_OP_MUL_MAT},
{ASR_TENSOR_ATTN_OUT_BIAS, GGML_OP_ADD},
};
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