akolliasAMD
353 righe
18 KiB
Python
353 righe
18 KiB
Python
# Copyright (c) Microsoft Corporation.
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# Modifications Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.
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# Licensed under the MIT License.
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# example run
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# python3 ./[rccl]/tools/scripts/npkit_trace_generator.py --npkit_dump_dir=[npkit_dump_dir] --npkit_event_header_path=[rccl]/src/include/npkit/npkit_event.h --output_dir=/home/akollias/dev/
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import argparse
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import os
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import json
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from queue import Queue
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def parse_npkit_event_header(npkit_event_header_path):
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npkit_event_def = {'id_to_type': {}, 'type_to_id': {}}
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with open(npkit_event_header_path, 'r') as f:
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lines = [x.strip() for x in f.readlines() if len(x.strip()) != 0]
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line_idx = 0
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while line_idx < len(lines):
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if lines[line_idx].startswith('#define NPKIT_EVENT_'):
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fields = lines[line_idx].split()
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if len(fields) == 3:
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event_type = fields[1]
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event_id = int(fields[2], 0)
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npkit_event_def['type_to_id'][event_type] = event_id
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npkit_event_def['id_to_type'][event_id] = event_type
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line_idx += 1
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return npkit_event_def
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def parse_gpu_clock_scale(gpu_clock_file_path):
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with open(gpu_clock_file_path, 'r') as f:
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freq_in_khz = f.read()
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return float(freq_in_khz) * 1e3 / 1e6
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def parse_cpu_clock_scale(cpu_clock_den_file_path, cpu_clock_num_file_path):
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with open(cpu_clock_num_file_path, 'r') as f:
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num = float(f.read())
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with open(cpu_clock_den_file_path, 'r') as f:
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den = float(f.read())
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return den / num / 1e6
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def parse_gpu_event(event_bytes):
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return {
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'id': int.from_bytes(event_bytes[0:1], byteorder='little', signed=False),
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'size': int.from_bytes(event_bytes[1:5], byteorder='little', signed=False),
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'rsvd': int.from_bytes(event_bytes[5:8], byteorder='little', signed=False),
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'timestamp': int.from_bytes(event_bytes[8:16], byteorder='little', signed=False)
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}
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def parse_cpu_event(event_bytes):
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return {
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'id': int.from_bytes(event_bytes[0:1], byteorder='little', signed=False),
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'size': int.from_bytes(event_bytes[1:5], byteorder='little', signed=False),
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'slot': int.from_bytes(event_bytes[5:8], byteorder='little', signed=False),
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'timestamp': int.from_bytes(event_bytes[8:16], byteorder='little', signed=False)
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}
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def parse_gpu_event_file_time(sync_dictionary, npkit_dump_dir, npkit_event_def, rank, buf_idx, gpu_clock_scale, cpu_clock_scale, dictionary_of_stats, warmup_runs=5):
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gpu_event_file_path = os.path.join(npkit_dump_dir, 'gpu_events_rank_%d_buf_%d' % (rank, buf_idx))
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stats_key = 'gpu_rank_%d' % (rank)
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channel_stats = {}
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raw_event_size = 16
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curr_cpu_base_time = None
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curr_gpu_base_time = None
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gpu_events = []
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event_type_to_seq = {}
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unfiltered_events = []
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start_event_id = 0
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with open(gpu_event_file_path, 'rb') as f:
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raw_content = f.read()
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raw_content_size = len(raw_content)
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raw_content_idx = 0
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if raw_content_size > 0 and stats_key not in dictionary_of_stats:
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dictionary_of_stats[stats_key] = {}
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warmup_raw_content_idx = 0
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while warmup_runs != 0 and warmup_raw_content_idx < raw_content_size: #warmup run cleanup
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parsed_gpu_event = parse_gpu_event(raw_content[warmup_raw_content_idx : warmup_raw_content_idx + raw_event_size])
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unfiltered_events.insert(0, parsed_gpu_event)
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if start_event_id == 0:
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decoded_id = npkit_event_def['id_to_type'][parsed_gpu_event['id']]
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if decoded_id == 'NPKIT_EVENT_TIME_SYNC_CPU' or decoded_id == 'NPKIT_EVENT_TIME_SYNC_GPU':
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warmup_raw_content_idx += raw_event_size
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continue
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else:
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start_event_id = parsed_gpu_event['id']
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warmup_raw_content_idx += raw_event_size
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if parsed_gpu_event['id'] == (start_event_id + 1):
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warmup_runs -= 1
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raw_content_idx = warmup_raw_content_idx
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while raw_content_idx < raw_content_size:
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parsed_gpu_event = parse_gpu_event(raw_content[raw_content_idx : raw_content_idx + raw_event_size])
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if npkit_event_def['id_to_type'][parsed_gpu_event['id']] in ['NPKIT_EVENT_TIME_SYNC_CPU']:
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if ('cpu') in sync_dictionary:
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sync_dictionary['cpu'].append(parsed_gpu_event)
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else:
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sync_dictionary['cpu'] = [parsed_gpu_event]
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if npkit_event_def['id_to_type'][parsed_gpu_event['id']] in ['NPKIT_EVENT_TIME_SYNC_GPU']:
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if ('gpu') in sync_dictionary:
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sync_dictionary['gpu'].append(parsed_gpu_event)
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else:
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sync_dictionary['gpu'] = [parsed_gpu_event]
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raw_content_idx += raw_event_size
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return len(sync_dictionary)
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def parse_gpu_event_file(rank_cpu_time_xcid, npkit_dump_dir, npkit_event_def, rank, buf_idx, gpu_clock_scale, cpu_clock_scale, dictionary_of_stats, warmup_runs=5):
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gpu_event_file_path = os.path.join(npkit_dump_dir, 'gpu_events_rank_%d_buf_%d' % (rank, buf_idx))
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stats_key = 'gpu_rank_%d' % (rank)
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channel_stats = {}
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raw_event_size = 16
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curr_cpu_base_time = None
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curr_gpu_base_time = None
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gpu_events = []
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event_type_to_seq = {}
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unfiltered_events = []
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start_event_id = 0
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with open(gpu_event_file_path, 'rb') as f:
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raw_content = f.read()
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raw_content_size = len(raw_content)
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raw_content_idx = 0
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if raw_content_size > 0 and stats_key not in dictionary_of_stats:
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dictionary_of_stats[stats_key] = {}
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warmup_raw_content_idx = 0
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while warmup_runs != 0 and warmup_raw_content_idx < raw_content_size: #warmup run cleanup
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parsed_gpu_event = parse_gpu_event(raw_content[warmup_raw_content_idx : warmup_raw_content_idx + raw_event_size])
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unfiltered_events.insert(0, parsed_gpu_event)
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if start_event_id == 0:
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decoded_id = npkit_event_def['id_to_type'][parsed_gpu_event['id']]
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if decoded_id == 'NPKIT_EVENT_TIME_SYNC_CPU' or decoded_id == 'NPKIT_EVENT_TIME_SYNC_GPU':
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warmup_raw_content_idx += raw_event_size
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continue
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else:
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start_event_id = parsed_gpu_event['id']
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warmup_raw_content_idx += raw_event_size
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if parsed_gpu_event['id'] == (start_event_id + 1):
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warmup_runs -= 1
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raw_content_idx = warmup_raw_content_idx
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while raw_content_idx < raw_content_size:
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parsed_gpu_event = parse_gpu_event(raw_content[raw_content_idx : raw_content_idx + raw_event_size])
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unfiltered_events.insert(0, parsed_gpu_event)
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if npkit_event_def['id_to_type'][parsed_gpu_event['id']] == 'NPKIT_EVENT_TIME_SYNC_CPU':
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# curr_cpu_base_time = parsed_gpu_event['timestamp'] / cpu_clock_scale
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curr_cpu_base_time = rank_cpu_time_xcid['cpu'] / cpu_clock_scale
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curr_gpu_base_time = None
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elif npkit_event_def['id_to_type'][parsed_gpu_event['id']] == 'NPKIT_EVENT_TIME_SYNC_GPU':
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if curr_gpu_base_time is None:
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# curr_gpu_base_time = parsed_gpu_event['timestamp'] / gpu_clock_scale
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curr_gpu_base_time = rank_cpu_time_xcid['gpu'] / gpu_clock_scale
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else:
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if curr_gpu_base_time is None:
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curr_gpu_base_time = parsed_gpu_event['timestamp'] / gpu_clock_scale
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event_type = npkit_event_def['id_to_type'][parsed_gpu_event['id']]
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phase = 'B' if event_type.endswith('_ENTRY') else 'E'
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gpu_events.append({
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'ph': phase,
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'ts': curr_cpu_base_time + parsed_gpu_event['timestamp'] / gpu_clock_scale - curr_gpu_base_time,
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'pid': rank,
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'tid': buf_idx + 1
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})
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if phase == 'B':
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if event_type not in event_type_to_seq:
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event_type_to_seq[event_type] = 0
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gpu_events[-1].update({
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'name': event_type,
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'cat': 'GPU',
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'args': {
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'rank': rank,
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'buf_idx': buf_idx,
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'seq': event_type_to_seq[event_type],
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'rsvd_0': parsed_gpu_event['rsvd'],
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'size_0': parsed_gpu_event['size']
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}
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})
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event_type_to_seq[event_type] += 1
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else:
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gpu_events[-1]['args'] = {'size': parsed_gpu_event['size'], 'rsvd': parsed_gpu_event['rsvd']}
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current_id = parsed_gpu_event['id']
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for i in unfiltered_events:
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if i['id'] == (current_id-1):
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event_start_ts = curr_cpu_base_time + i['timestamp'] / gpu_clock_scale - curr_gpu_base_time
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break
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delta_time = max(0.001, gpu_events[-1]['ts'] - event_start_ts) # delta needs to take the last begin
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bandwidth = gpu_events[-1]['args']['size'] / delta_time / 1e3
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if (current_id,parsed_gpu_event['size']) in channel_stats:
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temp_size = channel_stats[(current_id,parsed_gpu_event['size'])][1]+1
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temp = channel_stats[(current_id,parsed_gpu_event['size'])][0] * (temp_size - 1 )/ (temp_size)
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temp_delta = channel_stats[(current_id,parsed_gpu_event['size'])][2] * (temp_size - 1 )/ (temp_size)
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channel_stats[(current_id,parsed_gpu_event['size'])][0] = bandwidth / (temp_size) + temp
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channel_stats[(current_id,parsed_gpu_event['size'])][1] = temp_size
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channel_stats[(current_id,parsed_gpu_event['size'])][2] = delta_time / (temp_size) + temp_delta
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else:
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channel_stats[(current_id,parsed_gpu_event['size'])] = [bandwidth, 1, delta_time]
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gpu_events[-1]['args']['bw (GB/s)'] = bandwidth
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raw_content_idx += raw_event_size
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for key in channel_stats:
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if key in dictionary_of_stats[stats_key]:
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dictionary_of_stats[stats_key][key][0] += channel_stats[key][0]
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old_size = dictionary_of_stats[stats_key][key][1]
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new_size = channel_stats[key][1]
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dictionary_of_stats[stats_key][key][1] += channel_stats[key][1]
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cur_size = dictionary_of_stats[stats_key][key][1]
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new_avg_time = (dictionary_of_stats[stats_key][key][2]*(old_size)+(new_size)*channel_stats[key][2])/(cur_size)
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dictionary_of_stats[stats_key][key][2] = new_avg_time
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else:
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dictionary_of_stats[stats_key][key] = channel_stats[key]
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return gpu_events
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def parse_cpu_event_file(npkit_dump_dir, npkit_event_def, rank, channel, cpu_clock_scale):
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cpu_event_file_path = os.path.join(npkit_dump_dir, 'cpu_events_rank_%d_channel_%d' % (rank, channel))
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raw_event_size = 16
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cpu_events = []
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event_type_to_seq = {}
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fiber_is_usable = []
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fiber_open_ts = []
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slot_to_fiber_id = {}
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channel_shift = 1000
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unfiltered_events = []
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start_event_id = 0
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with open(cpu_event_file_path, 'rb') as f:
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raw_content = f.read()
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raw_content_size = len(raw_content)
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raw_content_idx = 0
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parsed_cpu_event = parse_cpu_event(raw_content[raw_content_idx : raw_content_idx + raw_event_size])
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start_event_id = parsed_cpu_event['id'] # start event id
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while raw_content_idx < raw_content_size:
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parsed_cpu_event = parse_cpu_event(raw_content[raw_content_idx : raw_content_idx + raw_event_size])
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event_type = npkit_event_def['id_to_type'][parsed_cpu_event['id']]
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phase = 'B' if event_type.endswith('_ENTRY') else 'E'
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cpu_events.append({
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'ph': phase,
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'ts': parsed_cpu_event['timestamp'] / cpu_clock_scale,
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'pid': rank
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})
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slot = parsed_cpu_event['slot']
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if phase == 'B':
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# Open fiber event
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fiber_id = 0
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while fiber_id < len(fiber_is_usable):
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if fiber_is_usable[fiber_id]:
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break
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fiber_id += 1
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if fiber_id == len(fiber_is_usable):
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fiber_is_usable.append(True)
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fiber_open_ts.append(0.0)
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slot_to_fiber_id[slot] = fiber_id
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fiber_open_ts[fiber_id] = cpu_events[-1]['ts']
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fiber_is_usable[fiber_id] = False
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if event_type not in event_type_to_seq:
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event_type_to_seq[event_type] = 0
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cpu_events[-1].update({
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'name': event_type,
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'cat': 'CPU',
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'args': {
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'rank': rank,
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'channel': channel,
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'slot': parsed_cpu_event['slot'],
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'seq': event_type_to_seq[event_type],
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'size_0': parsed_cpu_event['size']
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}
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})
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event_type_to_seq[event_type] += 1
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else:
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# Close fiber event
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fiber_id = slot_to_fiber_id[slot]
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slot_to_fiber_id.pop(slot)
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last_ts = fiber_open_ts[fiber_id]
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fiber_is_usable[fiber_id] = True
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delta_time = max(0.001, cpu_events[-1]['ts'] - last_ts)
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cpu_events[-1]['args'] = {'size': parsed_cpu_event['size']}
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cpu_events[-1]['args']['bw (GB/s)'] = \
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cpu_events[-1]['args']['size'] / delta_time / 1e3
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cpu_events[-1]['tid'] = fiber_id + (channel + 1) * channel_shift
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raw_content_idx += raw_event_size
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return cpu_events
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def convert_npkit_dump_to_trace(npkit_dump_dir, output_dir, npkit_event_def, gpu_statistics):
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files_in_dump_dir = next(os.walk(npkit_dump_dir))[2]
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gpu_event_files = [x for x in files_in_dump_dir if x.startswith('gpu_events_rank_')]
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cpu_event_files = [x for x in files_in_dump_dir if x.startswith('cpu_events_rank_')]
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ranks = list(set([int(x.split('_rank_')[1].split('_')[0]) for x in gpu_event_files]))
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buf_indices = list(set([int(x.split('_buf_')[1].split('_')[0]) for x in gpu_event_files]))
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channels = list(set([int(x.split('_channel_')[1].split('_')[0]) for x in cpu_event_files]))
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trace = {'traceEvents': []}
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dictionary_of_stats = {}
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for rank in ranks:
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cpu_clock_den_file_path = os.path.join(npkit_dump_dir, 'cpu_clock_period_den_rank_%d' % rank)
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cpu_clock_num_file_path = os.path.join(npkit_dump_dir, 'cpu_clock_period_num_rank_%d' % rank)
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cpu_clock_scale = parse_cpu_clock_scale(cpu_clock_den_file_path, cpu_clock_num_file_path)
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gpu_clock_file_path = os.path.join(npkit_dump_dir, 'gpu_clock_rate_rank_%d' % rank)
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gpu_clock_scale = parse_gpu_clock_scale(gpu_clock_file_path)
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sync_dictionary = {} # per rank
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avg_time = {}
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number_events=0
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for buf_idx in buf_indices: # get the avg time
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parse_gpu_event_file_time(sync_dictionary, npkit_dump_dir, npkit_event_def, rank, buf_idx, gpu_clock_scale, cpu_clock_scale, dictionary_of_stats)
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for key in sync_dictionary:
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avg_time[key] = 0
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number_events=len(sync_dictionary[key])
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for event in sync_dictionary[key]:
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avg_time[key] = avg_time[key] + (event['timestamp']/number_events)
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for buf_idx in buf_indices:
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gpu_events = parse_gpu_event_file(avg_time, npkit_dump_dir, npkit_event_def, rank, buf_idx, gpu_clock_scale, cpu_clock_scale, dictionary_of_stats)
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trace['traceEvents'].extend(gpu_events)
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for channel in channels:
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cpu_events = parse_cpu_event_file(npkit_dump_dir, npkit_event_def, rank, channel, cpu_clock_scale)
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trace['traceEvents'].extend(cpu_events)
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trace['traceEvents'].sort(key=lambda x : x['ts'])
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trace['displayTimeUnit'] = 'ns'
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os.makedirs(output_dir, exist_ok=True)
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if gpu_statistics == True:
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with open(os.path.join(output_dir, 'npkit_event_stats.txt'), 'w') as f:
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for key in dictionary_of_stats:
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f.write(key + "\n")
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for event,size in dictionary_of_stats[key]:
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f.write(npkit_event_def['id_to_type'][event] + "\t"+ "size:" + str(size) + " time: " +str(dictionary_of_stats[key][event,size][2]) + " \t bw: " + str(dictionary_of_stats[key][event,size][0]) + "\n")
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else:
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with open(os.path.join(output_dir, 'npkit_event_trace.json'), 'w') as f:
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json.dump(trace, f)
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument('--npkit_dump_dir', type=str, required=True, help='NPKit dump directory.')
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parser.add_argument('--npkit_event_header_path', type=str, required=True, help='Path to npkit_event.h.')
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parser.add_argument('--output_dir', type=str, required=True, help='Path to output directory.')
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parser.add_argument('--gpu_run_stats', type=bool, nargs='?', const=True, default=False, help="print stats instead.")
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args = parser.parse_args()
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gpu_statistics = False
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if args.gpu_run_stats is not None:
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gpu_statistics = args.gpu_run_stats
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npkit_event_def = parse_npkit_event_header(args.npkit_event_header_path)
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convert_npkit_dump_to_trace(args.npkit_dump_dir, args.output_dir, npkit_event_def, gpu_statistics) |