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ggml : skip already registered backends and devices #22296

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Merged
ggerganov merged 1 commit into from
Apr 28, 2026
+12 −0
Merged

ggml : skip already registered backends and devices #22296

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12 changes: 12 additions & 0 deletions ggml/src/ggml-backend-reg.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -181,6 +181,12 @@ struct ggml_backend_registry {
return;
}

for (auto & entry : backends) {
if (entry.reg == reg) {
return;
}
}

#ifndef NDEBUG
GGML_LOG_DEBUG("%s: registered backend %s (%zu devices)\n",
__func__, ggml_backend_reg_name(reg), ggml_backend_reg_dev_count(reg));
Expand All @@ -192,6 +198,12 @@ struct ggml_backend_registry {
}

void register_device(ggml_backend_dev_t device) {
for (auto & dev : devices) {
if (dev == device) {
return;
}
}

#ifndef NDEBUG
GGML_LOG_DEBUG("%s: registered device %s (%s)\n", __func__, ggml_backend_dev_name(device), ggml_backend_dev_description(device));
#endif
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