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Diffstat (limited to 'src/include/topo.h')
-rw-r--r--src/include/topo.h59
1 files changed, 0 insertions, 59 deletions
diff --git a/src/include/topo.h b/src/include/topo.h
deleted file mode 100644
index e824a81..0000000
--- a/src/include/topo.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*************************************************************************
- * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
- *
- * See LICENSE.txt for license information
- ************************************************************************/
-
-#ifndef NCCL_TOPO_H_
-#define NCCL_TOPO_H_
-
-#include "nccl.h"
-#include <limits.h>
-#include <stdlib.h>
-#include <ctype.h>
-
-#define BUSID_SIZE (sizeof("0000:00:00.0"))
-#define BUSID_REDUCED_SIZE (sizeof("0000:00"))
-
-static ncclResult_t getCudaPath(int cudaDev, char** path) {
- char busId[BUSID_SIZE];
- CUDACHECK(cudaDeviceGetPCIBusId(busId, BUSID_SIZE, cudaDev));
- for (int i=0; i<BUSID_SIZE; i++) busId[i] = tolower(busId[i]);
- char busPath[] = "/sys/class/pci_bus/0000:00/../../0000:00:00.0";
- memcpy(busPath+sizeof("/sys/class/pci_bus/")-1, busId, BUSID_REDUCED_SIZE-1);
- memcpy(busPath+sizeof("/sys/class/pci_bus/0000:00/../../")-1, busId, BUSID_SIZE-1);
- *path = realpath(busPath, NULL);
- if (*path == NULL) {
- WARN("Could not find real path of %s", busPath);
- return ncclSystemError;
- }
- return ncclSuccess;
-}
-
-enum ncclPathDist {
- PATH_PIX = 0,
- PATH_PXB = 1,
- PATH_PHB = 2,
- PATH_SOC = 3
-};
-
-static const char* pathDists[] = { "PIX", "PXB", "PHB", "SOC" };
-
-static int pciDistance(char* path1, char* path2) {
- int score = 0;
- int depth = 0;
- int same = 1;
- for (int i=0; i<strlen(path1); i++) {
- if (path1[i] != path2[i]) same = 0;
- if (path1[i] == '/') {
- depth++;
- if (same == 1) score++;
- }
- }
- if (score <= 3) return PATH_SOC;
- if (score == 4) return PATH_PHB;
- if (score == depth-1) return PATH_PIX;
- return PATH_PXB;
-}
-
-#endif