Updates to include expectation calculation

This commit is contained in:
tankya2
2024-01-24 11:40:51 +08:00
committed by Liwei Yang
parent 2a6b3a54f0
commit 0420cbfa52
4 changed files with 567 additions and 7 deletions

View File

@@ -13,6 +13,354 @@ def eval(qibo_circ, datatype):
myconvertor = QiboCircuitToEinsum(qibo_circ, dtype=datatype)
return contract(*myconvertor.state_vector_operands())
def eval_expectation(qibo_circ, datatype):
myconvertor = QiboCircuitToEinsum(qibo_circ, dtype=datatype)
return contract(*myconvertor.expectation_operands(PauliStringGen(qibo_circ.nqubits)))
def eval_tn_MPI_2(qibo_circ, datatype, n_samples=8):
from mpi4py import MPI # this line initializes MPI
import socket
from cuquantum import Network
# Get the hostname
#hostname = socket.gethostname()
root = 0
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
size = comm.Get_size()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: Start",mem_avail, "rank =",rank, "hostname =",hostname)
device_id = rank % getDeviceCount()
# Perform circuit conversion
myconvertor = QiboCircuitToEinsum(qibo_circ, dtype=datatype)
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft convetor",mem_avail, "rank =",rank)
operands = myconvertor.state_vector_operands()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft operand interleave",mem_avail, "rank =",rank)
# Broadcast the operand data.
#operands = comm.bcast(operands, root)
# Assign the device for each process.
device_id = rank % getDeviceCount()
#dev = cp.cuda.Device(device_id)
#free_mem, total_mem = dev.mem_info
#print("Mem free: ",free_mem, "Total mem: ",total_mem, "rank =",rank)
# Create network object.
network = Network(*operands, options={'device_id' : device_id})
# Compute the path on all ranks with 8 samples for hyperoptimization. Force slicing to enable parallel contraction.
path, info = network.contract_path(optimize={'samples': 8, 'slicing': {'min_slices': max(32, size)}})
#print(f"Process {rank} has the path with the FLOP count {info.opt_cost}.")
# Select the best path from all ranks.
opt_cost, sender = comm.allreduce(sendobj=(info.opt_cost, rank), op=MPI.MINLOC)
#if rank == root:
# print(f"Process {sender} has the path with the lowest FLOP count {opt_cost}.")
# Broadcast info from the sender to all other ranks.
info = comm.bcast(info, sender)
# Set path and slices.
path, info = network.contract_path(optimize={'path': info.path, 'slicing': info.slices})
# Calculate this process's share of the slices.
num_slices = info.num_slices
chunk, extra = num_slices // size, num_slices % size
slice_begin = rank * chunk + min(rank, extra)
slice_end = num_slices if rank == size - 1 else (rank + 1) * chunk + min(rank + 1, extra)
slices = range(slice_begin, slice_end)
#print(f"Process {rank} is processing slice range: {slices}.")
# Contract the group of slices the process is responsible for.
result = network.contract(slices=slices)
#print(f"Process {rank} result shape is : {result.shape}.")
#print(f"Process {rank} result size is : {result.nbytes}.")
# Sum the partial contribution from each process on root.
result = comm.reduce(sendobj=result, op=MPI.SUM, root=root)
return result, rank
def eval_tn_nccl(qibo_circ, datatype, n_samples=8):
from mpi4py import MPI # this line initializes MPI
import socket
from cuquantum import Network
from cupy.cuda import nccl
# Get the hostname
#hostname = socket.gethostname()
root = 0
comm_mpi = MPI.COMM_WORLD
rank = comm_mpi.Get_rank()
size = comm_mpi.Get_size()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: Start",mem_avail, "rank =",rank, "hostname =",hostname)
device_id = rank % getDeviceCount()
cp.cuda.Device(device_id).use()
# Set up the NCCL communicator.
nccl_id = nccl.get_unique_id() if rank == root else None
nccl_id = comm_mpi.bcast(nccl_id, root)
comm_nccl = nccl.NcclCommunicator(size, nccl_id, rank)
# Perform circuit conversion
myconvertor = QiboCircuitToEinsum(qibo_circ, dtype=datatype)
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft convetor",mem_avail, "rank =",rank)
operands = myconvertor.state_vector_operands()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft operand interleave",mem_avail, "rank =",rank)
network = Network(*operands)
# Compute the path on all ranks with 8 samples for hyperoptimization. Force slicing to enable parallel contraction.
path, info = network.contract_path(optimize={'samples': 8, 'slicing': {'min_slices': max(32, size)}})
#print(f"Process {rank} has the path with the FLOP count {info.opt_cost}.")
# Select the best path from all ranks.
opt_cost, sender = comm_mpi.allreduce(sendobj=(info.opt_cost, rank), op=MPI.MINLOC)
#if rank == root:
# print(f"Process {sender} has the path with the lowest FLOP count {opt_cost}.")
# Broadcast info from the sender to all other ranks.
info = comm_mpi.bcast(info, sender)
# Set path and slices.
path, info = network.contract_path(optimize={'path': info.path, 'slicing': info.slices})
# Calculate this process's share of the slices.
num_slices = info.num_slices
chunk, extra = num_slices // size, num_slices % size
slice_begin = rank * chunk + min(rank, extra)
slice_end = num_slices if rank == size - 1 else (rank + 1) * chunk + min(rank + 1, extra)
slices = range(slice_begin, slice_end)
#print(f"Process {rank} is processing slice range: {slices}.")
# Contract the group of slices the process is responsible for.
result = network.contract(slices=slices)
#print(f"Process {rank} result shape is : {result.shape}.")
#print(f"Process {rank} result size is : {result.nbytes}.")
# Sum the partial contribution from each process on root.
stream_ptr = cp.cuda.get_current_stream().ptr
comm_nccl.reduce(result.data.ptr, result.data.ptr, result.size, nccl.NCCL_FLOAT64, nccl.NCCL_SUM, root, stream_ptr)
return result, rank
def eval_tn_nccl_expectation(qibo_circ, datatype, n_samples=8):
from mpi4py import MPI # this line initializes MPI
import socket
from cuquantum import Network
from cupy.cuda import nccl
# Get the hostname
#hostname = socket.gethostname()
root = 0
comm_mpi = MPI.COMM_WORLD
rank = comm_mpi.Get_rank()
size = comm_mpi.Get_size()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: Start",mem_avail, "rank =",rank, "hostname =",hostname)
device_id = rank % getDeviceCount()
cp.cuda.Device(device_id).use()
# Set up the NCCL communicator.
nccl_id = nccl.get_unique_id() if rank == root else None
nccl_id = comm_mpi.bcast(nccl_id, root)
comm_nccl = nccl.NcclCommunicator(size, nccl_id, rank)
# Perform circuit conversion
myconvertor = QiboCircuitToEinsum(qibo_circ, dtype=datatype)
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft convetor",mem_avail, "rank =",rank)
operands = myconvertor.expectation_operands(PauliStringGen(qibo_circ.nqubits))
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft operand interleave",mem_avail, "rank =",rank)
network = Network(*operands)
# Compute the path on all ranks with 8 samples for hyperoptimization. Force slicing to enable parallel contraction.
path, info = network.contract_path(optimize={'samples': 8, 'slicing': {'min_slices': max(32, size)}})
#print(f"Process {rank} has the path with the FLOP count {info.opt_cost}.")
# Select the best path from all ranks.
opt_cost, sender = comm_mpi.allreduce(sendobj=(info.opt_cost, rank), op=MPI.MINLOC)
#if rank == root:
# print(f"Process {sender} has the path with the lowest FLOP count {opt_cost}.")
# Broadcast info from the sender to all other ranks.
info = comm_mpi.bcast(info, sender)
# Set path and slices.
path, info = network.contract_path(optimize={'path': info.path, 'slicing': info.slices})
# Calculate this process's share of the slices.
num_slices = info.num_slices
chunk, extra = num_slices // size, num_slices % size
slice_begin = rank * chunk + min(rank, extra)
slice_end = num_slices if rank == size - 1 else (rank + 1) * chunk + min(rank + 1, extra)
slices = range(slice_begin, slice_end)
#print(f"Process {rank} is processing slice range: {slices}.")
# Contract the group of slices the process is responsible for.
result = network.contract(slices=slices)
#print(f"Process {rank} result shape is : {result.shape}.")
#print(f"Process {rank} result size is : {result.nbytes}.")
# Sum the partial contribution from each process on root.
stream_ptr = cp.cuda.get_current_stream().ptr
comm_nccl.reduce(result.data.ptr, result.data.ptr, result.size, nccl.NCCL_FLOAT64, nccl.NCCL_SUM, root, stream_ptr)
return result, rank
def eval_tn_MPI_2_expectation(qibo_circ, datatype, n_samples=8):
from mpi4py import MPI # this line initializes MPI
import socket
from cuquantum import Network
# Get the hostname
#hostname = socket.gethostname()
root = 0
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
size = comm.Get_size()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: Start",mem_avail, "rank =",rank, "hostname =",hostname)
device_id = rank % getDeviceCount()
# Perform circuit conversion
myconvertor = QiboCircuitToEinsum(qibo_circ, dtype=datatype)
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft convetor",mem_avail, "rank =",rank)
operands = myconvertor.expectation_operands(PauliStringGen(qibo_circ.nqubits))
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft operand interleave",mem_avail, "rank =",rank)
# Broadcast the operand data.
#operands = comm.bcast(operands, root)
# Assign the device for each process.
device_id = rank % getDeviceCount()
#dev = cp.cuda.Device(device_id)
#free_mem, total_mem = dev.mem_info
#print("Mem free: ",free_mem, "Total mem: ",total_mem, "rank =",rank)
# Create network object.
network = Network(*operands, options={'device_id' : device_id})
# Compute the path on all ranks with 8 samples for hyperoptimization. Force slicing to enable parallel contraction.
path, info = network.contract_path(optimize={'samples': 8, 'slicing': {'min_slices': max(32, size)}})
#print(f"Process {rank} has the path with the FLOP count {info.opt_cost}.")
# Select the best path from all ranks.
opt_cost, sender = comm.allreduce(sendobj=(info.opt_cost, rank), op=MPI.MINLOC)
#if rank == root:
# print(f"Process {sender} has the path with the lowest FLOP count {opt_cost}.")
# Broadcast info from the sender to all other ranks.
info = comm.bcast(info, sender)
# Set path and slices.
path, info = network.contract_path(optimize={'path': info.path, 'slicing': info.slices})
# Calculate this process's share of the slices.
num_slices = info.num_slices
chunk, extra = num_slices // size, num_slices % size
slice_begin = rank * chunk + min(rank, extra)
slice_end = num_slices if rank == size - 1 else (rank + 1) * chunk + min(rank + 1, extra)
slices = range(slice_begin, slice_end)
#print(f"Process {rank} is processing slice range: {slices}.")
# Contract the group of slices the process is responsible for.
result = network.contract(slices=slices)
#print(f"Process {rank} result shape is : {result.shape}.")
#print(f"Process {rank} result size is : {result.nbytes}.")
# Sum the partial contribution from each process on root.
result = comm.reduce(sendobj=result, op=MPI.SUM, root=root)
return result, rank
def eval_tn_MPI_expectation(qibo_circ, datatype, n_samples=8):
from mpi4py import MPI # this line initializes MPI
import socket
# Get the hostname
#hostname = socket.gethostname()
ncpu_threads = multiprocessing.cpu_count() // 2
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
size = comm.Get_size()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: Start",mem_avail, "rank =",rank, "hostname =",hostname)
device_id = rank % getDeviceCount()
cp.cuda.Device(device_id).use()
handle = cutn.create()
network_opts = cutn.NetworkOptions(handle=handle, blocking="auto")
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft network opts",mem_avail, "rank =",rank)
cutn.distributed_reset_configuration(handle, *cutn.get_mpi_comm_pointer(comm))
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft distributed reset config",mem_avail, "rank =",rank)
# Perform circuit conversion
myconvertor = QiboCircuitToEinsum(qibo_circ, dtype=datatype)
operands_interleave = myconvertor.expectation_operands(PauliStringGen(qibo_circ.nqubits))
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft convetor",mem_avail, "rank =",rank)
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft operand interleave",mem_avail, "rank =",rank)
# Pathfinder: To search for the optimal path. Optimal path are assigned to path and info attribute of the network object.
network = cutn.Network(*operands_interleave, options=network_opts)
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft cutn.Network(*operands_interleave,",mem_avail, "rank =",rank)
path, opt_info = network.contract_path(optimize={"samples": n_samples, "threads": ncpu_threads, 'slicing': {'min_slices': max(16, size)}})
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft contract path",mem_avail, "rank =",rank)
# Execution: To execute the contraction using the optimal path found previously
#print("opt_cost",opt_info.opt_cost, "Process =",rank)
num_slices = opt_info.num_slices#Andy
chunk, extra = num_slices // size, num_slices % size#Andy
slice_begin = rank * chunk + min(rank, extra)#Andy
slice_end = num_slices if rank == size - 1 else (rank + 1) * chunk + min(rank + 1, extra)#Andy
slices = range(slice_begin, slice_end)#Andy
result = network.contract(slices=slices)
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft contract",mem_avail, "rank =",rank)
cutn.destroy(handle)
return result, rank
def eval_tn_MPI(qibo_circ, datatype, n_samples=8):
"""Convert qibo circuit to tensornet (TN) format and perform contraction using multi node and multi GPU through MPI.
@@ -22,29 +370,59 @@ def eval_tn_MPI(qibo_circ, datatype, n_samples=8):
"""
from mpi4py import MPI # this line initializes MPI
import socket
# Get the hostname
#hostname = socket.gethostname()
ncpu_threads = multiprocessing.cpu_count() // 2
comm = MPI.COMM_WORLD
rank = comm.Get_rank()
size = comm.Get_size()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: Start",mem_avail, "rank =",rank, "hostname =",hostname)
device_id = rank % getDeviceCount()
cp.cuda.Device(device_id).use()
handle = cutn.create()
cutn.distributed_reset_configuration(handle, *cutn.get_mpi_comm_pointer(comm))
network_opts = cutn.NetworkOptions(handle=handle, blocking="auto")
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft network opts",mem_avail, "rank =",rank)
cutn.distributed_reset_configuration(handle, *cutn.get_mpi_comm_pointer(comm))
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft distributed reset config",mem_avail, "rank =",rank)
# Perform circuit conversion
myconvertor = QiboCircuitToEinsum(qibo_circ, dtype=datatype)
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft convetor",mem_avail, "rank =",rank)
operands_interleave = myconvertor.state_vector_operands()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft operand interleave",mem_avail, "rank =",rank)
# Pathfinder: To search for the optimal path. Optimal path are assigned to path and info attribute of the network object.
network = cutn.Network(*operands_interleave, options=network_opts)
network.contract_path(optimize={"samples": n_samples, "threads": ncpu_threads})
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft cutn.Network(*operands_interleave,",mem_avail, "rank =",rank)
network.contract_path(optimize={"samples": n_samples, "threads": ncpu_threads, 'slicing': {'min_slices': max(16, size)}})
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft contract path",mem_avail, "rank =",rank)
# Execution: To execute the contraction using the optimal path found previously
#print("opt_cost",opt_info.opt_cost, "Process =",rank)
'''
path, opt_info = network.contract_path(optimize={"samples": n_samples, "threads": ncpu_threads, 'slicing': {'min_slices': max(16, size)}})
num_slices = opt_info.num_slices#Andy
chunk, extra = num_slices // size, num_slices % size#Andy
slice_begin = rank * chunk + min(rank, extra)#Andy
slice_end = num_slices if rank == size - 1 else (rank + 1) * chunk + min(rank + 1, extra)#Andy
slices = range(slice_begin, slice_end)#Andy
result = network.contract(slices=slices)
'''
result = network.contract()
#mem_avail = cp.cuda.Device().mem_info[0]
#print("Mem avail: aft contract",mem_avail, "rank =",rank)
cutn.destroy(handle)
return result, rank
@@ -57,3 +435,19 @@ def eval_mps(qibo_circ, gate_algo, datatype):
return mps_helper.contract_state_vector(
myconvertor.mps_tensors, {"handle": myconvertor.handle}
)
def PauliStringGen(nqubits):
if nqubits <= 0:
return "Invalid input. N should be a positive integer."
#characters = 'IXYZ'
characters = 'XXXZ'
result = ''
for i in range(nqubits):
char_to_add = characters[i % len(characters)]
result += char_to_add
return result