avinashkethineedi
6685d0ab60
* Add interanl put_mem/get_mem{_wave, _wg} functions to read/write to work/sync arrays
* Add condition check to ensure all MPI processes are on the same compute node for IPC conduit
293 řádky
9.9 KiB
C++
293 řádky
9.9 KiB
C++
/******************************************************************************
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* Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*****************************************************************************/
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#ifndef LIBRARY_SRC_IPC_CONTEXT_DEVICE_HPP_
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#define LIBRARY_SRC_IPC_CONTEXT_DEVICE_HPP_
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#include "../context.hpp"
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#include "../atomic.hpp"
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#include "../team.hpp"
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#ifdef USE_COOPERATIVE_GROUPS
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#include <hip/hip_cooperative_groups.h>
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namespace cg = cooperative_groups;
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#else
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#include "../memory/notifier.hpp"
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#endif /* USE_COOPERATIVE_GROUPS */
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namespace rocshmem {
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class IPCContext : public Context {
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public:
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__host__ IPCContext(Backend *b);
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__device__ IPCContext(Backend *b);
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__device__ void threadfence_system();
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__device__ void ctx_create();
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__device__ void ctx_destroy();
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__device__ void putmem(void *dest, const void *source, size_t nelems, int pe);
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__device__ void getmem(void *dest, const void *source, size_t nelems, int pe);
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__device__ void putmem_nbi(void *dest, const void *source, size_t nelems,
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int pe);
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__device__ void getmem_nbi(void *dest, const void *source, size_t size,
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int pe);
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__device__ void fence();
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__device__ void fence(int pe);
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__device__ void quiet();
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__device__ void *shmem_ptr(const void *dest, int pe);
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__device__ void barrier_all();
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__device__ void sync_all();
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__device__ void sync(roc_shmem_team_t team);
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template <typename T>
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__device__ void p(T *dest, T value, int pe);
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template <typename T>
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__device__ void put(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ void put_nbi(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ T g(const T *source, int pe);
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template <typename T>
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__device__ void get(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ void get_nbi(T *dest, const T *source, size_t nelems, int pe);
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// Atomic operations
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template <typename T>
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__device__ void amo_add(void *dst, T value, int pe);
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template <typename T>
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__device__ void amo_set(void *dst, T value, int pe);
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template <typename T>
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__device__ T amo_swap(void *dst, T value, int pe);
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template <typename T>
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__device__ T amo_fetch_and(void *dst, T value, int pe);
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template <typename T>
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__device__ void amo_and(void *dst, T value, int pe);
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template <typename T>
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__device__ T amo_fetch_or(void *dst, T value, int pe);
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template <typename T>
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__device__ void amo_or(void *dst, T value, int pe);
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template <typename T>
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__device__ T amo_fetch_xor(void *dst, T value, int pe);
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template <typename T>
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__device__ void amo_xor(void *dst, T value, int pe);
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template <typename T>
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__device__ void amo_cas(void *dst, T value, T cond, int pe);
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template <typename T>
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__device__ T amo_fetch_add(void *dst, T value, int pe);
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template <typename T>
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__device__ T amo_fetch_cas(void *dst, T value, T cond, int pe);
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// Collectives
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template <typename T, ROC_SHMEM_OP Op>
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__device__ void to_all(T *dest, const T *source, int nreduce, int PE_start,
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int logPE_stride, int PE_size, T *pWrk,
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long *pSync); // NOLINT(runtime/int)
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template <typename T, ROC_SHMEM_OP Op>
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__device__ void to_all(roc_shmem_team_t team, T *dest, const T *source,
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int nreduce);
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template <typename T>
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__device__ void broadcast(roc_shmem_team_t team, T *dest, const T *source,
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int nelems, int pe_root);
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template <typename T>
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__device__ void broadcast(T *dest, const T *source, int nelems, int pe_root,
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int pe_start, int log_pe_stride, int pe_size,
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long *p_sync); // NOLINT(runtime/int)
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template <typename T>
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__device__ void alltoall(roc_shmem_team_t team, T *dest, const T *source,
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int nelems);
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template <typename T>
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__device__ void fcollect(roc_shmem_team_t team, T *dest, const T *source,
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int nelems);
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// Block/wave functions
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__device__ void putmem_wg(void *dest, const void *source, size_t nelems,
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int pe);
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__device__ void getmem_wg(void *dest, const void *source, size_t nelems,
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int pe);
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__device__ void putmem_nbi_wg(void *dest, const void *source, size_t nelems,
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int pe);
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__device__ void getmem_nbi_wg(void *dest, const void *source, size_t size,
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int pe);
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__device__ void putmem_wave(void *dest, const void *source, size_t nelems,
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int pe);
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__device__ void getmem_wave(void *dest, const void *source, size_t nelems,
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int pe);
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__device__ void putmem_nbi_wave(void *dest, const void *source, size_t nelems,
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int pe);
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__device__ void getmem_nbi_wave(void *dest, const void *source, size_t size,
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int pe);
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template <typename T>
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__device__ void put_wg(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ void put_nbi_wg(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ void put_wave(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ void put_nbi_wave(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ void get_wg(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ void get_nbi_wg(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ void get_wave(T *dest, const T *source, size_t nelems, int pe);
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template <typename T>
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__device__ void get_nbi_wave(T *dest, const T *source, size_t nelems, int pe);
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private:
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//context class has IpcImpl object (ipcImpl_)
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IpcImpl *ipcImpl{nullptr};
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uint64_t* atomic_base_ptr{nullptr};
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char* g_ret;
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//internal functions used by collective operations
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template <typename T>
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__device__ void internal_put_broadcast(T *dst, const T *src, int nelems,
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int pe_root, int PE_start,
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int logPE_stride, int PE_size); // NOLINT(runtime/int)
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template <typename T>
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__device__ void internal_get_broadcast(T *dst, const T *src, int nelems,
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int pe_root); // NOLINT(runtime/int)
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template <typename T>
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__device__ void fcollect_linear(roc_shmem_team_t team, T *dest,
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const T *source, int nelems);
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template <typename T>
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__device__ void alltoall_linear(roc_shmem_team_t team, T *dest,
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const T *source, int nelems);
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__device__ void internal_sync(int pe, int PE_start, int stride, int PE_size,
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int64_t *pSync);
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__device__ void internal_direct_barrier(int pe, int PE_start, int stride,
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int n_pes, int64_t *pSync);
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__device__ void internal_atomic_barrier(int pe, int PE_start, int stride,
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int n_pes, int64_t *pSync);
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//internal functions used by collectives routines to write/read to
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//work/sync buffers
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__device__ void internal_putmem(void *dest, const void *source,
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size_t nelems, int pe);
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__device__ void internal_getmem(void *dest, const void *source,
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size_t nelems, int pe);
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__device__ void internal_putmem_wg(void *dest, const void *source,
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size_t nelems, int pe);
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__device__ void internal_getmem_wg(void *dest, const void *source,
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size_t nelems, int pe);
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__device__ void internal_putmem_wave(void *dest, const void *source,
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size_t nelems, int pe);
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__device__ void internal_getmem_wave(void *dest, const void *source,
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size_t nelems, int pe);
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//Temporary scratchpad memory used by internal barrier algorithms.
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int64_t *barrier_sync{nullptr};
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#ifndef USE_COOPERATIVE_GROUPS
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Notifier<detail::atomic::memory_scope_agent> *notifier_{nullptr};
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#endif /* NOT DEFINED: USE_COOPERATIVE_GROUPS */
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//Struct defining memory ordering for atomic operations.
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detail::atomic::rocshmem_memory_orders orders_{};
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//Buffer to perform Atomic store to enforce memory ordering
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int *fence_pool{nullptr};
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/**
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* @brief Array containing the addresses of the work/sync buffer bases
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* of other PEs
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*/
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char **Wrk_Sync_buffer_bases_{nullptr};
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public:
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//TODO(Avinash):
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//Make tinfo private variable, it requires changes to the context
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//creation API in backend
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//Team information for the team associated with the context
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TeamInfo *tinfo{nullptr};
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};
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} // namespace rocshmem
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#endif // LIBRARY_SRC_GPU_IB_CONTEXT_IB_DEVICE_HPP_
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