CUDA: lower-case PCI bus id, standardize for ggml (#22820)

This commit is contained in:
Johannes Gäßler
2026-05-08 10:09:38 +02:00
committed by GitHub
parent 6d57a49a70
commit a8fd165fec
2 changed files with 4 additions and 1 deletions

View File

@@ -169,7 +169,7 @@ extern "C" {
// device type
enum ggml_backend_dev_type type;
// device id
// for PCI devices, this should be the PCI bus id formatted as "domain:bus:device.function" (e.g. "0000:01:00.0")
// for PCI devices, this should be the lower-case PCI bus id formatted as "domain:bus:device.function" (e.g. "0000:c1:00.0")
// if the id is unknown, this should be NULL
const char * device_id;
// device capabilities

View File

@@ -5434,6 +5434,9 @@ ggml_backend_reg_t ggml_backend_cuda_reg() {
char pci_bus_id[32] = {};
CUDA_CHECK(cudaDeviceGetPCIBusId(pci_bus_id, sizeof(pci_bus_id), i));
dev_ctx->pci_bus_id = pci_bus_id;
for (char & c : dev_ctx->pci_bus_id) {
c = std::tolower(c);
}
dev_ctx->op_offload_min_batch_size = min_batch_size;
ggml_backend_dev_t dev = new ggml_backend_device {