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ggml : fix repack work size for mul_mat_id (llama/14292)

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ggml-ci
This commit is contained in:
Georgi Gerganov
2025-06-20 11:19:15 +03:00
parent 694f435d22
commit 018b2d340e
1 changed files with 26 additions and 12 deletions
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38
ggml/src/ggml-cpu/repack.cpp
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@ -1163,13 +1163,24 @@ template <typename BLOC_TYPE, int64_t INTER_SIZE, int64_t NB_COLS, ggml_type PAR
// not realy a GGML_TYPE_Q8_0 but same size.
switch (op->op) {
case GGML_OP_MUL_MAT:
size = ggml_row_size(PARAM_TYPE, ggml_nelements(op->src[1]));
return true;
{
size = ggml_row_size(PARAM_TYPE, ggml_nelements(op->src[1]));
return true;
}
case GGML_OP_MUL_MAT_ID:
size = ggml_row_size(PARAM_TYPE, ggml_nelements(op->src[1]));
size = GGML_PAD(size, sizeof(int64_t)); // + padding for next bloc.
size += sizeof(int64_t) * (1+op->src[0]->ne[2]) * op->src[1]->ne[2];
return true;
{
size = ggml_row_size(PARAM_TYPE, ggml_nelements(op->src[1]));
size = GGML_PAD(size, sizeof(int64_t)); // + padding for next bloc.
const int64_t ne02 = op->src[0]->ne[2]; // n_as, n_expert
const int64_t ne12 = op->src[1]->ne[2]; // n_tokens
const size_t sizeof_mmid_row_mapping = sizeof(int64_t);
size += sizeof_mmid_row_mapping*ne02*(ne12 + 1);
return true;
}
default:
// GGML_ABORT("fatal error");
break;
@ -1305,14 +1316,17 @@ template <typename BLOC_TYPE, int64_t INTER_SIZE, int64_t NB_COLS, ggml_type PAR
int32_t i2;
};
GGML_ASSERT(params->wsize >= (GGML_PAD(nbw3, sizeof(int64_t)) + n_as * sizeof(int64_t) +
n_as * ne12 * sizeof(mmid_row_mapping)));
GGML_ASSERT(params->wsize >=
(GGML_PAD(nbw3, sizeof(int64_t)) +
n_as*(ne12 + 1)*sizeof(mmid_row_mapping))
);
auto * wdata = (char *) params->wdata;
auto * wdata_src1_end = (char *) wdata + GGML_PAD(nbw3, sizeof(int64_t));
auto * matrix_row_counts = (int64_t *) (wdata_src1_end); // [n_as]
auto * wdata = (char *)params->wdata;
auto * wdata_src1_end = (char *)wdata + GGML_PAD(nbw3, sizeof(int64_t));
struct mmid_row_mapping * matrix_rows = (struct mmid_row_mapping *) (matrix_row_counts + n_as); // [n_as][ne12]
// total of [n_as][ne12 + 1] elemets of type mmid_row_mapping (2*int32_t = int64_t)
auto * matrix_row_counts = (int64_t *) (wdata_src1_end); // [n_as]
struct mmid_row_mapping * matrix_rows = (struct mmid_row_mapping *) (matrix_row_counts + n_as); // [n_as][ne12]
// src1: float32 => param type
for (int64_t i12 = 0; i12 < ne12; ++i12) {