Merge remote-tracking branch 'nccl/master' into develop

[ROCm/rccl commit: 84081064a0]
This commit is contained in:
BertanDogancay
2024-10-02 09:29:22 -05:00
54 changed files with 2158 additions and 964 deletions
+1
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@@ -11,6 +11,7 @@
#include "info.h"
ncclResult_t PtrCheck(void* ptr, const char* opname, const char* ptrname);
ncclResult_t CommCheck(struct ncclComm* ptr, const char* opname, const char* ptrname);
ncclResult_t ArgsCheck(struct ncclInfo* info);
ncclResult_t CudaPtrCheck(const void* pointer, struct ncclComm* comm, const char* ptrname, const char* opname);
+3 -1
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@@ -24,7 +24,9 @@ ncclResult_t bootstrapSplit(struct ncclBootstrapHandle* handle, struct ncclComm*
ncclResult_t bootstrapAllGather(void* commState, void* allData, int size);
ncclResult_t bootstrapSend(void* commState, int peer, int tag, void* data, int size);
ncclResult_t bootstrapRecv(void* commState, int peer, int tag, void* data, int size);
ncclResult_t bootstrapBarrier(void* commState, int *ranks, int rank, int nranks, int tag);
ncclResult_t bootstrapBarrier(void* commState, int rank, int nranks, int tag);
ncclResult_t bootstrapBroadcast(void* commState, int rank, int nranks, int root, void* bcastData, int size);
ncclResult_t bootstrapIntraNodeBarrier(void* commState, int *ranks, int rank, int nranks, int tag);
ncclResult_t bootstrapIntraNodeAllGather(void* commState, int *ranks, int rank, int nranks, void* allData, int size);
ncclResult_t bootstrapIntraNodeBroadcast(void* commState, int *ranks, int rank, int nranks, int root, void* bcastData, int size);
ncclResult_t bootstrapClose(void* commState);
+28 -4
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@@ -94,6 +94,12 @@ struct ncclNodeRanks {
int* localRankToRank;
};
struct cliqueInfo {
int id;
int size;
int *ranks;
};
struct ncclDestructor {
struct ncclDestructor* next;
void* obj;
@@ -172,8 +178,16 @@ struct ncclNvlsMcHandleList {
size_t size;
};
struct ncclCollnetHandleList {
struct ncclCollnetHandleList *next;
void* collnetHandle;
size_t size;
const void* buffer;
struct ncclProxyConnector* proxyconn;
};
struct channelMasks {
uint64_t masks[MAXCHANNELS/64];
uint64_t masks[MAXCHANNELS/64];
};
struct ncclKernelPlan {
@@ -199,6 +213,7 @@ struct ncclKernelPlan {
struct ncclIntruQueue<struct ncclPointerList, &ncclPointerList::next> ipcMemQueue;
struct ncclIntruQueue<struct ncclNvlsMcHandleList, &ncclNvlsMcHandleList::next> nvlsMcHandleQueue;
struct ncclIntruQueue<struct ncclCollnetHandleList, &ncclCollnetHandleList::next> collnetHandleQueue;
struct Channel {
int nWork;
@@ -213,7 +228,10 @@ struct ncclKernelPlan {
size_t maxBytesPerChannel;
};
#define NCCL_MAGIC 0x0280028002800280 // Nickel atomic number is 28.
struct ncclComm {
uint64_t startMagic;
struct ncclMemoryStack memPermanent, memScoped;
// List of destructors to run when comm is destructed
struct ncclDestructor* destructorHead;
@@ -257,7 +275,10 @@ struct ncclComm {
int* localRankToRank;
// localRanks and localRanktoRank for all nodes
struct ncclNodeRanks* nodeRanks;
int MNNVL; // MNNVL: Multi-Node NVLink
// MNNVL: Multi-Node NVLink
int MNNVL; // true when MNNVL is available
struct cliqueInfo clique; // Our MNNVL clique information
int cliqueRank; // Our rank within the MNNVL clique
bool checkPointers;
bool dmaBufSupport;
@@ -269,7 +290,6 @@ struct ncclComm {
int nChannels; // connection nChannels
int collChannels; // enqueue nChannels
int nvlsChannels; // enqueue nChannels
int collNetChannels;
// Channels (per peer) for p2p
int p2pnChannels;
int p2pnChannelsPerPeer;
@@ -281,6 +301,7 @@ struct ncclComm {
// Buffer sizes
int buffSizes[NCCL_NUM_PROTOCOLS];
int p2pChunkSize;
int nvlsChunkSize;
// Algorithm/Protocols thresholds
ssize_t threadThresholds[NCCL_NUM_ALGORITHMS][NCCL_NUM_PROTOCOLS];
@@ -332,11 +353,11 @@ struct ncclComm {
int proxyRefCountOld; /* store proxy post-atomic-sub refcount */
// Whether this communicator uses collNet
int collNetSupport;
bool collNetRegSupport;
uint8_t collNetSupportMatrix[4/*sum,prod,min,max*/][ncclNumTypes];
int intraHighestTransportType;
int* collNetHeads;
int collNetHeadsNum;
int collNetHeadsUniqueNum;
int* collNetDenseToUserRank;
int* collNetUserToDenseRank;
/* sharable collNet proxy progress resource. */
@@ -353,6 +374,7 @@ struct ncclComm {
struct ncclMemoryPool memPool_ncclKernelPlan;
struct ncclMemoryPool memPool_ncclPointerList;
struct ncclMemoryPool memPool_ncclNvlsHandleList;
struct ncclMemoryPool memPool_ncclCollnetHandleList;
// Next comm in this thread's active ncclGroup[Start|End](). Holds "0x1" when
// this comm is not yet in a group.
struct ncclComm* groupNext;
@@ -407,8 +429,10 @@ struct ncclComm {
// Tuning plugin
ncclTuner_t* tuner;
void *tunerContext;
// buffer registration cache
struct ncclRegCache regCache;
uint64_t endMagic;
};
enum ncclLaunchMode {
+30 -40
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@@ -20,10 +20,6 @@ extern int ncclCuMemEnable();
// Handle type used for cuMemCreate()
extern CUmemAllocationHandleType ncclCuMemHandleType;
#else
typedef CUresult (CUDAAPI *PFN_cuInit_v2000)(unsigned int Flags);
typedef CUresult (CUDAAPI *PFN_cuDriverGetVersion_v2020)(int *driverVersion);
typedef CUresult (CUDAAPI *PFN_cuGetProcAddress_v11030)(const char *symbol, void **pfn, int driverVersion, cuuint64_t flags);
#endif
#define CUPFN(symbol) pfn_##symbol
@@ -69,53 +65,47 @@ typedef CUresult (CUDAAPI *PFN_cuGetProcAddress_v11030)(const char *symbol, void
} \
} while(0)
#define DECLARE_CUDA_PFN_EXTERN(symbol,version) extern PFN_##symbol##_v##version pfn_##symbol
#define DECLARE_CUDA_PFN_EXTERN(symbol) extern PFN_##symbol pfn_##symbol
#if CUDART_VERSION >= 11030
/* CUDA Driver functions loaded with cuGetProcAddress for versioning */
DECLARE_CUDA_PFN_EXTERN(cuDeviceGet, 2000);
DECLARE_CUDA_PFN_EXTERN(cuDeviceGetAttribute, 2000);
DECLARE_CUDA_PFN_EXTERN(cuGetErrorString, 6000);
DECLARE_CUDA_PFN_EXTERN(cuGetErrorName, 6000);
DECLARE_CUDA_PFN_EXTERN(cuMemGetAddressRange, 3020);
DECLARE_CUDA_PFN_EXTERN(cuCtxCreate, 3020);
DECLARE_CUDA_PFN_EXTERN(cuCtxDestroy, 4000);
DECLARE_CUDA_PFN_EXTERN(cuCtxGetCurrent, 4000);
DECLARE_CUDA_PFN_EXTERN(cuCtxSetCurrent, 4000);
DECLARE_CUDA_PFN_EXTERN(cuCtxGetDevice, 2000);
DECLARE_CUDA_PFN_EXTERN(cuPointerGetAttribute, 4000);
DECLARE_CUDA_PFN_EXTERN(cuDeviceGet);
DECLARE_CUDA_PFN_EXTERN(cuDeviceGetAttribute);
DECLARE_CUDA_PFN_EXTERN(cuGetErrorString);
DECLARE_CUDA_PFN_EXTERN(cuGetErrorName);
DECLARE_CUDA_PFN_EXTERN(cuMemGetAddressRange);
DECLARE_CUDA_PFN_EXTERN(cuCtxCreate);
DECLARE_CUDA_PFN_EXTERN(cuCtxDestroy);
DECLARE_CUDA_PFN_EXTERN(cuCtxGetCurrent);
DECLARE_CUDA_PFN_EXTERN(cuCtxSetCurrent);
DECLARE_CUDA_PFN_EXTERN(cuCtxGetDevice);
DECLARE_CUDA_PFN_EXTERN(cuPointerGetAttribute);
// cuMem API support
DECLARE_CUDA_PFN_EXTERN(cuMemAddressReserve, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemAddressFree, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemCreate, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemGetAllocationGranularity, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemExportToShareableHandle, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemImportFromShareableHandle, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemMap, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemRelease, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemRetainAllocationHandle, 11000);
DECLARE_CUDA_PFN_EXTERN(cuMemSetAccess, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemUnmap, 10020);
DECLARE_CUDA_PFN_EXTERN(cuMemAddressReserve);
DECLARE_CUDA_PFN_EXTERN(cuMemAddressFree);
DECLARE_CUDA_PFN_EXTERN(cuMemCreate);
DECLARE_CUDA_PFN_EXTERN(cuMemGetAllocationGranularity);
DECLARE_CUDA_PFN_EXTERN(cuMemExportToShareableHandle);
DECLARE_CUDA_PFN_EXTERN(cuMemImportFromShareableHandle);
DECLARE_CUDA_PFN_EXTERN(cuMemMap);
DECLARE_CUDA_PFN_EXTERN(cuMemRelease);
DECLARE_CUDA_PFN_EXTERN(cuMemRetainAllocationHandle);
DECLARE_CUDA_PFN_EXTERN(cuMemSetAccess);
DECLARE_CUDA_PFN_EXTERN(cuMemUnmap);
#if CUDA_VERSION >= 11070
DECLARE_CUDA_PFN_EXTERN(cuMemGetHandleForAddressRange, 11070); // DMA-BUF support
DECLARE_CUDA_PFN_EXTERN(cuMemGetHandleForAddressRange); // DMA-BUF support
#endif
#if CUDA_VERSION >= 12010
/* NVSwitch Multicast support */
DECLARE_CUDA_PFN_EXTERN(cuMulticastAddDevice, 12010);
DECLARE_CUDA_PFN_EXTERN(cuMulticastBindMem, 12010);
DECLARE_CUDA_PFN_EXTERN(cuMulticastBindAddr, 12010);
DECLARE_CUDA_PFN_EXTERN(cuMulticastCreate, 12010);
DECLARE_CUDA_PFN_EXTERN(cuMulticastGetGranularity, 12010);
DECLARE_CUDA_PFN_EXTERN(cuMulticastUnbind, 12010);
DECLARE_CUDA_PFN_EXTERN(cuMulticastAddDevice);
DECLARE_CUDA_PFN_EXTERN(cuMulticastBindMem);
DECLARE_CUDA_PFN_EXTERN(cuMulticastBindAddr);
DECLARE_CUDA_PFN_EXTERN(cuMulticastCreate);
DECLARE_CUDA_PFN_EXTERN(cuMulticastGetGranularity);
DECLARE_CUDA_PFN_EXTERN(cuMulticastUnbind);
#endif
#endif
/* CUDA Driver functions loaded with dlsym() */
DECLARE_CUDA_PFN_EXTERN(cuInit, 2000);
DECLARE_CUDA_PFN_EXTERN(cuDriverGetVersion, 2020);
DECLARE_CUDA_PFN_EXTERN(cuGetProcAddress, 11030);
ncclResult_t ncclCudaLibraryInit(void);
extern int ncclCudaDriverVersionCache;
+19 -2
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@@ -97,6 +97,15 @@ static_assert(NCCL_LL_CLEAN_MASK % NCCL_STEPS == 0, "Invalid NCCL_LL_CLEAN_MASK
#define NCCL_IPC_READ 0x10
#define NCCL_NVLS_MIN_POLL 0x20
#define NCCL_MAX_COLLNET_SIZE (1L << 29)
enum ncclRegBufferType {
NCCL_REGULAR_BUFFER = 0,
NCCL_IPC_REG_BUFFER = 1,
NCCL_NVLS_REG_BUFFER = 2,
NCCL_COLLNET_REG_BUFFER = 3
};
struct ncclConnInfo {
// Regular comm mechanism
char *buffs[NCCL_NUM_PROTOCOLS]; // Local for recv, remote for send
@@ -106,6 +115,7 @@ struct ncclConnInfo {
int flags; // Direct communication / other flags
int shared; // Buffers are shared
int stepSize; // Step size for the SIMPLE buffer
void **ptrExchange; // Pointer exchange for direct communication
uint64_t* redOpArgExchange; // PreOp scaler exchange for direct pull case
@@ -177,7 +187,7 @@ struct ncclDirect {
};
#define NCCL_CONN_IDX_P2P_NET 2
#define NCCL_MAX_NVLS_ARITY 8
#define NCCL_MAX_NVLS_ARITY 32
#define NCCL_MAX_NVLS_TREE_ARITY 3
struct ncclNvls {
int out;
@@ -191,6 +201,12 @@ struct ncclNvls {
int nNodes;
};
#if __CUDA_ARCH__ >= 900
#define NCCL_MAX_ARITY NCCL_MAX_NVLS_ARITY
#else
#define NCCL_MAX_ARITY NCCL_MAX_DIRECT_ARITY
#endif
#define NCCL_MAX_CONNS 3
struct ncclChannelPeer {
struct ncclConnector send[NCCL_MAX_CONNS];
@@ -234,9 +250,10 @@ struct ncclWorkElem {
union {
uint8_t flagBits;
struct {
uint8_t isUsed:1, redOpArgIsPtr:1, regUsed:1, oneNode:1;
uint8_t isUsed:1, redOpArgIsPtr:1, oneNode:1;
};
};
uint8_t regUsed;
uint8_t nWarps;
uint8_t direct;
+7 -7
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@@ -32,12 +32,12 @@ ncclResult_t ncclTopoGetNvbGpus(struct ncclTopoSystem* system, int rank, int* nr
int ncclTopoPathAllNVLink(struct ncclTopoSystem* system);
// Query topology
ncclResult_t ncclTopoGetNetDev(struct ncclComm* comm, int rank, struct ncclTopoGraph* graph, int channelId, int peerRank, int* net, int* proxyRank);
ncclResult_t ncclTopoGetNetDev(struct ncclComm* comm, int rank, struct ncclTopoGraph* graph, int channelId, int peerRank, int64_t* id, int* dev, int* proxyRank);
ncclResult_t ncclTopoCheckP2p(struct ncclTopoSystem* system, int64_t id1, int64_t id2, int* p2p, int *read, int* intermediateRank);
ncclResult_t ncclTopoCheckMNNVL(struct ncclTopoSystem* system, struct ncclPeerInfo* info1, struct ncclPeerInfo* info2, int* ret);
ncclResult_t ncclTopoCheckGdr(struct ncclTopoSystem* topo, int64_t busId, int netDev, int read, int* useGdr);
ncclResult_t ncclTopoCheckGdr(struct ncclTopoSystem* topo, int64_t busId, int64_t netId, int read, int* useGdr);
#define MAX_XGMI_INTER_GPUS 4
ncclResult_t ncclTopoGetIntraNetDev(struct ncclTopoSystem* system, int rank, struct ncclTopoGraph* graph, int channelId, int type, int* dev);
ncclResult_t ncclTopoGetIntraNetDev(struct ncclTopoSystem* system, int rank, struct ncclTopoGraph* graph, int channelId, int type, int64_t* id, int* dev);
ncclResult_t ncclTopoGetLinkType(struct ncclTopoSystem* system, int cudaDev1, int cudaDev2, bool* isXGMI, int maxInter=MAX_XGMI_INTER_GPUS, int nInter=0, int *inter=nullptr);
ncclResult_t ncclTopoNeedFlush(struct ncclTopoSystem* system, int64_t busId, int* flush);
ncclResult_t ncclTopoCheckNet(struct ncclTopoSystem* system, int64_t id1, int64_t id2, int* net);
@@ -62,8 +62,8 @@ ncclResult_t ncclTopoCpuType(struct ncclTopoSystem* system, int* arch, int* vend
ncclResult_t ncclTopoGetGpuCount(struct ncclTopoSystem* system, int* count);
ncclResult_t ncclTopoGetNetCount(struct ncclTopoSystem* system, int* count);
ncclResult_t ncclTopoGetNvsCount(struct ncclTopoSystem* system, int* count);
ncclResult_t ncclTopoGetLocalNet(struct ncclTopoSystem* system, int rank, int channelId, int* id);
ncclResult_t ncclTopoGetLocalGpu(struct ncclTopoSystem* system, int net, int* gpuIndex);
ncclResult_t ncclTopoGetLocalNet(struct ncclTopoSystem* system, int rank, int channelId, int64_t* id, int* dev);
ncclResult_t ncclTopoGetLocalGpu(struct ncclTopoSystem* system, int64_t netId, int* gpuIndex);
ncclResult_t getLocalNetCountByBw(struct ncclTopoSystem* system, int gpu, int *count);
#define NCCL_TOPO_MAX_NODES 64
@@ -94,7 +94,7 @@ struct ncclTopoGraph {
int sameChannels;
int nHops;
int intra[MAXCHANNELS*NCCL_TOPO_MAX_NODES];
int inter[MAXCHANNELS*2];
int64_t inter[MAXCHANNELS*2];
int nIntraChannels;
int intraNets[MAXCHANNELS*NCCL_TOPO_MAX_NODES*2];
char treeBase[NCCL_TOPO_MAX_NODES][NCCL_TOPO_MAX_NODES*4];
@@ -119,7 +119,7 @@ struct ncclTopoRanks {
ncclResult_t ncclTopoPreset(struct ncclComm* comm, struct ncclTopoGraph** graphs, struct ncclTopoRanks* topoRanks);
ncclResult_t ncclTopoPostset(struct ncclComm* comm, int* firstRanks, int* treePatterns,
struct ncclTopoRanks** allTopoRanks, int* rings, struct ncclTopoGraph** graphs, int nc);
struct ncclTopoRanks** allTopoRanks, int* rings, struct ncclTopoGraph** graphs, struct ncclComm* parent, int nc);
ncclResult_t ncclTreeBasePostset(struct ncclComm* comm, struct ncclTopoGraph* treeGraph);
ncclResult_t ncclTopoTuneModel(struct ncclComm* comm, int minCompCap, int maxCompCap, struct ncclTopoGraph** graphs);
+3 -7
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@@ -32,13 +32,6 @@ typedef enum : uint8_t {
ncclPatternRecv
} ncclPattern_t;
enum ncclRegBufferType {
NCCL_REGULAR_BUFFER = 0,
NCCL_IPC_REG_BUFFER = 1,
NCCL_NVLS_REG_BUFFER = 2,
NCCL_REG_BUFFER_NUM = 3
};
// Used to pass NCCL call information between functions
struct ncclInfo {
ncclFunc_t coll;
@@ -71,6 +64,9 @@ struct ncclInfo {
ncclRegBufferType regBufType;
void* regBufSend[NCCL_MAX_LOCAL_RANKS];
void* regBufRecv[NCCL_MAX_LOCAL_RANKS];
// collnet buffer reg handles
void* sendMhandle;
void* recvMhandle;
// Need to initialize
int nThreads;
int nChannels;
+1 -1
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@@ -8,7 +8,7 @@
#define NCCL_DEBUG_H_
typedef enum {NCCL_LOG_NONE=0, NCCL_LOG_VERSION=1, NCCL_LOG_WARN=2, NCCL_LOG_INFO=3, NCCL_LOG_ABORT=4, NCCL_LOG_TRACE=5} ncclDebugLogLevel;
typedef enum {NCCL_INIT=1, NCCL_COLL=2, NCCL_P2P=4, NCCL_SHM=8, NCCL_NET=16, NCCL_GRAPH=32, NCCL_TUNING=64, NCCL_ENV=128, NCCL_ALLOC=256, NCCL_CALL=512, NCCL_PROXY=1024, NCCL_NVLS=2048, NCCL_ALL=~0} ncclDebugLogSubSys;
typedef enum {NCCL_INIT=1, NCCL_COLL=2, NCCL_P2P=4, NCCL_SHM=8, NCCL_NET=16, NCCL_GRAPH=32, NCCL_TUNING=64, NCCL_ENV=128, NCCL_ALLOC=256, NCCL_CALL=512, NCCL_PROXY=1024, NCCL_NVLS=2048, NCCL_BOOTSTRAP=4096, NCCL_REG=8192, NCCL_ALL=~0} ncclDebugLogSubSys;
typedef void (*ncclDebugLogger_t)(ncclDebugLogLevel level, unsigned long flags, const char *file, int line, const char *fmt, ...);
+14 -9
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@@ -17,13 +17,17 @@ typedef struct {
const char* name;
// Initializes tuner states.
// nRanks: number of ranks in current communicator. Each communicator initialize its own tuner.
// nNodes: number of nodes in current communicator.
// logFunction: a logFunction can be useful to integrate logging together with NCCL core.
ncclResult_t (*init)(size_t nRanks, size_t nNodes, ncclDebugLogger_t logFunction);
// Inputs:
// - nRanks: number of ranks in current communicator. Each communicator initialize its own tuner.
// - nNodes: number of nodes in current communicator.
// - logFunction: a logFunction can be useful to integrate logging together with NCCL core.
// Outputs:
// - context: tuner context object
ncclResult_t (*init)(size_t nRanks, size_t nNodes, ncclDebugLogger_t logFunction, void **context);
// Gets info (algo, protocol, number of ctas and threads) for a given collective.
// Inputs:
// - context: tuner context object
// - collType: collective type , e.g., allreduce, allgather…
// - nBytes: collective size in bytes
// - collNetTypeSupport: whether collnet supports this type
@@ -40,16 +44,17 @@ typedef struct {
// Also, the plugin is allowed to not set any output, or set only the
// algorithm and protocol, but not only the algorithm or only the protocol.
// Unset fields will be set automatically by NCCL.
ncclResult_t (*getCollInfo)(ncclFunc_t collType, size_t nBytes,
ncclResult_t (*getCollInfo)(void* context, ncclFunc_t collType, size_t nBytes,
int collNetSupport, int nvlsSupport, int numPipeOps,
int *algorithm, int *protocol, int* nChannels);
// Terminates the plugin and cleans up any resources that the plugin allocated.
ncclResult_t (*destroy)();
} ncclTuner_v1_t;
// context: tuner context object
ncclResult_t (*destroy)(void* context);
} ncclTuner_v2_t;
typedef ncclTuner_v1_t ncclTuner_t;
typedef ncclTuner_v2_t ncclTuner_t;
#define NCCL_TUNER_PLUGIN_SYMBOL "ncclTunerPlugin_v1"
#define NCCL_TUNER_PLUGIN_SYMBOL "ncclTunerPlugin_v2"
#endif
+18 -2
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@@ -36,7 +36,6 @@ union ncclProxyOpSpecifics {
struct ncclProxyOp {
struct ncclProxyConnection* connection;
void* buffer;
ssize_t nbytes;
uint64_t opCount;
int root:30;
@@ -53,6 +52,11 @@ struct ncclProxyOp {
uint8_t /*ncclPattern_t*/ pattern;
uint8_t protocol;
uint8_t reg;
// collnet buffer reg handles
void* sendMhandle;
void* recvMhandle;
uint8_t* sendbuff;
uint8_t* recvbuff;
union ncclProxyOpSpecifics specifics;
@@ -62,8 +66,14 @@ struct ncclProxyOp {
struct ncclProxySubArgs {
struct ncclProxyConnection* connection;
int reg;
void* buffer;
// p2p mhandle
void* mhandle;
// collnet handles
void* sendMhandle;
void* recvMhandle;
uint8_t* sendbuff;
uint8_t* recvbuff;
size_t offset;
int channelId;
int nsteps;
ssize_t nbytes;
@@ -97,6 +107,10 @@ struct ncclProxyArgs {
int sliceSteps;
int chunkSteps;
int chunkSize;
size_t totalSendSize;
size_t totalRecvSize;
size_t sendSizePerRound;
size_t recvSizePerRound;
uint8_t /*ncclDataType_t*/ dtype;
uint8_t /*ncclDevRedOp_t*/ redOp;
uint8_t /*ncclPattern_t*/ pattern;
@@ -312,6 +326,8 @@ enum ncclProxyMsgType {
ncclProxyMsgAbort = 7,
ncclProxyMsgStop = 8,
ncclProxyMsgGetFd = 9, // cuMem API support (UDS)
ncclProxyMsgRegister = 10,
ncclProxyMsgDeregister = 11
};
// This function is called by a client of the proxy that needs to invoke any of the non-progress proxyOp types
+5 -1
View File
@@ -5,7 +5,8 @@ enum {
NET_REG_COMPLETE = 0x01,
NVLS_REG_COMPLETE = 0x02,
NVLS_REG_POSSIBLE = 0x04,
NVLS_REG_NO_SUPPORT = 0x08
NVLS_REG_NO_SUPPORT = 0x08,
COLLNET_REG_COMPLETE = 0x10
};
struct ncclReg {
@@ -26,6 +27,9 @@ struct ncclReg {
int dev;
CUmemGenericAllocationHandle mcHandle;
uintptr_t caddrs[NCCL_MAX_LOCAL_RANKS]; /* use to check if NVLS buffers match among intra-node ranks */
// collnet reg
void* collnetHandle;
struct ncclProxyConnector* proxyconn;
};
struct ncclRegCache {
+1
View File
@@ -92,6 +92,7 @@ ncclResult_t ncclSocketProgress(int op, struct ncclSocket* sock, void* ptr, int
ncclResult_t ncclSocketWait(int op, struct ncclSocket* sock, void* ptr, int size, int* offset);
ncclResult_t ncclSocketSend(struct ncclSocket* sock, void* ptr, int size);
ncclResult_t ncclSocketRecv(struct ncclSocket* sock, void* ptr, int size);
ncclResult_t ncclSocketSendRecv(struct ncclSocket* sendSock, void* sendPtr, int sendSize, struct ncclSocket* recvSock, void* recvPtr, int recvSize);
ncclResult_t ncclSocketTryRecv(struct ncclSocket* sock, void* ptr, int size, int* closed, bool blocking);
ncclResult_t ncclSocketClose(struct ncclSocket* sock);
#endif
+6 -10
View File
@@ -96,6 +96,8 @@ struct ncclTransportComm {
ncclResult_t (*proxyConnect)(struct ncclProxyConnection* connection, struct ncclProxyState* proxyState, void* reqBuff, int reqSize, void* respBuff, int respSize, int* done);
ncclResult_t (*proxyFree)(struct ncclProxyConnection* connection, struct ncclProxyState* proxyState);
ncclResult_t (*proxyProgress)(struct ncclProxyState* proxyState, struct ncclProxyArgs*);
ncclResult_t (*proxyRegister)(struct ncclProxyConnection* connection, struct ncclProxyState* proxyState, void* reqBuff, int reqSize, void* respBuff, int respSize, int* done);
ncclResult_t (*proxyDeregister)(struct ncclProxyConnection* connection, struct ncclProxyState* proxyState, void* reqBuff, int reqSize, int* done);
};
struct ncclTransport {
@@ -108,15 +110,6 @@ struct ncclTransport {
ncclResult_t ncclTransportP2pConnect(struct ncclComm* comm, int channelId, int nrecv, int* peerRecv, int nsend, int* peerSend, int connIndex);
ncclResult_t ncclTransportP2pSetup(struct ncclComm* comm, struct ncclTopoGraph* graph, int connIndex, int* highestTransportType=NULL, bool* needsProxy=NULL);
// Currently we only support POSIX_FILE_DESCRIPTOR handle exchange
#define USE_POSIX_FD 1
#if USE_POSIX_FD
#define NVLS_CU_MEM_HANDLE_TYPE CU_MEM_HANDLE_TYPE_POSIX_FILE_DESCRIPTOR
#else
#define NVLS_CU_MEM_HANDLE_TYPE CU_MEM_HANDLE_TYPE_NONE
#endif
ncclResult_t ncclNvlsInit(struct ncclComm* comm);
ncclResult_t ncclNvlsSetup(struct ncclComm* comm, struct ncclComm* parent);
ncclResult_t ncclNvlsGraphRegisterBuffer(struct ncclComm *comm, struct ncclKernelPlan *plan, const void *sendbuff, void *recvbuff, size_t sendbuffSize, size_t recvbuffSize, bool *outRegBufUsed, void **outRegBufSend, void **outRegBufRecv);
@@ -125,7 +118,10 @@ ncclResult_t ncclNvlsDeregBuffer(CUmemGenericAllocationHandle *mcHandler, CUdevi
ncclResult_t ncclNvlsFree(struct ncclComm* comm);
enum { collNetRecv=0, collNetSend=1 };
int ncclTransportCollNetSetup(struct ncclComm* comm, struct ncclTopoGraph* collNetGraph, struct ncclChannel* channel, int masterRank, int masterPeer, int collNetGraphChannelId, int type);
int ncclTransportCollNetSetup(struct ncclComm* comm, struct ncclTopoGraph* collNetGraph, struct ncclChannel* channel, int masterRank, int masterPeer, int collNetGraphChannelId, int type, ncclConnect* connect);
ncclResult_t ncclTransportCollNetCheck(struct ncclComm* comm, int collNetSetupFail);
ncclResult_t ncclTransportCollNetFree(struct ncclComm* comm);
ncclResult_t ncclCollnetLocalRegisterBuffer(struct ncclComm* comm, const void* userbuff, size_t buffSize, int type, int* outRegBufUsed, void** outHandle);
ncclResult_t ncclCollnetGraphRegisterBuffer(struct ncclComm* comm, struct ncclKernelPlan *plan, const void* userbuff, size_t buffSize, int type, int* outRegBufFlag, void** outHandle);
ncclResult_t ncclCollnetDeregBuffer(struct ncclComm* comm, struct ncclProxyConnector* proxyconn, void* handle);
#endif
+2 -2
View File
@@ -15,8 +15,8 @@
// Attempts to load NCCL tuner from environmental variable.
// Returns ncclSuccess if the correct tuner symbol has been found and
// successully loaded. Otherwise returns an error and also logs the error.
ncclResult_t ncclLoadTunerPlugin(ncclTuner_t** tuner);
ncclResult_t ncclTunerPluginLoad(ncclTuner_t** tuner);
// Cleans up NCCL tuner plugin.
ncclResult_t ncclCloseTunerPlugin(ncclTuner_t** tuner);
ncclResult_t ncclTunerPluginUnload(ncclTuner_t** tuner);
#endif