vbatts/llama.cpp
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fix race condition bug in ggml_compute_forward_diag_mask_f32

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xaedes 2023-05-14 17:00:19 +02:00
parent 6e968d22b0
commit f89c278d83
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GPG key ID: 30030EDD817EA2B1
1 changed files with 8 additions and 5 deletions
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13
ggml.c
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@ -10321,20 +10321,23 @@ static void ggml_compute_forward_diag_mask_f32(
assert(src1->type == GGML_TYPE_I32);
assert(ggml_nelements(src1) == 2);
if (params->type == GGML_TASK_INIT || params->type == GGML_TASK_FINALIZE) {
return;
}
const int ith = params->ith;
const int nth = params->nth;
const int n_past = ((int32_t *) src1->data)[0];
const bool inplace = (bool)((int32_t *) src1->data)[1];
if (!inplace) {
if (!inplace && (params->type == GGML_TASK_INIT)) {
// dup needs to be synchronized across threads to avoid race conditions.
// => do it in INIT phase
ggml_compute_forward_dup_same_cont(params, src0, dst);
}
if (params->type == GGML_TASK_INIT || params->type == GGML_TASK_FINALIZE) {
return;
}
// TODO: handle transposed/permuted matrices
const int n = ggml_nrows(src0);