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ggml : support bcast ggml_soft_max_ext, ggml_flash_attn_ext (#14435)

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ggml-ci
This commit is contained in:
Georgi Gerganov
2025-06-27 21:50:57 +03:00
parent 307e79d33d
commit ec68e84c32
11 changed files with 250 additions and 156 deletions
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11
ggml/src/ggml-cuda/ggml-cuda.cu
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@@ -3327,8 +3327,15 @@ static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const g
case GGML_OP_CONT:
return op->src[0]->type != GGML_TYPE_BF16;
case GGML_OP_DIAG_MASK_INF:
case GGML_OP_SOFT_MAX:
return true;
case GGML_OP_SOFT_MAX:
// TODO: support batching
if (op->src[0]->ne[3] != 1) {
return false;
}
// TODO: support broadcast
// ref: https://github.com/ggml-org/llama.cpp/pull/14435
return !op->src[1] || (op->src[1]->ne[2] == 1 && op->src[1]->ne[3] == 1);
case GGML_OP_SOFT_MAX_BACK: {
float max_bias = 0.0f;
memcpy(&max_bias, (const float *) op->op_params + 1, sizeof(float));
@@ -3375,6 +3382,8 @@ static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const g
if (op->src[0]->ne[0] == 192) {
return false;
}
// TODO: support broadcast
// ref: https://github.com/ggml-org/llama.cpp/pull/14435
if (op->src[0]->ne[3] != 1) {
return false;
}