horovod timeline json

10g-nccl-fast.json

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{"ph": "B", "name": "NEGOTIATE_ALLREDUCE", "ts": 9552462, "pid": 26},{"ph": "X", "name": "8", "ts": 9552464, "pid": 26, "dur": 0},{"ph": "X", "name": "11", "ts": 9569439, "pid": 26, "dur": 0},{"ph": "X", "name": "10", "ts": 9572604, "pid": 26, "dur": 0},{"ph": "X", "name": "15", "ts": 9578970, "pid": 26, "dur": 0},{"ph": "X", "name": "12", "ts": 9590641, "pid": 26, "dur": 0},{"ph": "X", "name": "14", "ts": 9590644, "pid": 26, "dur": 0},{"ph": "X", "name": "13", "ts": 9593801, "pid": 26, "dur": 0},{"ph": "X", "name": "9", "ts": 9603346, "pid": 26, "dur": 0},{"ph": "X", "name": "30", "ts": 9616066, "pid": 26, "dur": 0},{"ph": "X", "name": "19", "ts": 9620315, "pid": 26, "dur": 0},{"ph": "X", "name": "17", "ts": 9622428, "pid": 26, "dur": 0},{"ph": "X", "name": "0", "ts": 9623523, "pid": 26, "dur": 0},{"ph": "X", "name": "2", "ts": 9625603, "pid": 26, "dur": 0},{"ph": "X", "name": "27", "ts": 9625620, "pid": 26, "dur": 0},{"ph": "X", "name": "3", "ts": 9626685, "pid": 26, "dur": 0},{"ph": "X", "name": "24", "ts": 9626697, "pid": 26, "dur": 0},{"ph": "X", "name": "26", "ts": 9626699, "pid": 26, "dur": 0},{"ph": "X", "name": "29", "ts": 9626703, "pid": 26, "dur": 0},{"ph": "X", "name": "31", "ts": 9626706, "pid": 26, "dur": 0},{"ph": "X", "name": "21", "ts": 9627730, "pid": 26, "dur": 0},{"ph": "X", "name": "22", "ts": 9629843, "pid": 26, "dur": 0},{"ph": "X", "name": "23", "ts": 9629845, "pid": 26, "dur": 0},{"ph": "X", "name": "20", "ts": 9630917, "pid": 26, "dur": 0},{"ph": "X", "name": "25", "ts": 9630922, "pid": 26, "dur": 0},{"ph": "X", "name": "4", "ts": 9634077, "pid": 26, "dur": 0},{"ph": "X", "name": "5", "ts": 9634080, "pid": 26, "dur": 0},{"ph": "X", "name": "6", "ts": 9634082, "pid": 26, "dur": 0},{"ph": "X", "name": "7", "ts": 9634085, "pid": 26, "dur": 0},{"ph": "X", "name": "16", "ts": 9634092, "pid": 26, "dur": 0},{"ph": "X", "name": "18", "ts": 9638320, "pid": 26, "dur": 0},{"ph": "X", "name": "1", "ts": 9646795, "pid": 26, "dur": 0},{"ph": "X", "name": "28", "ts": 9651041, "pid": 26, "dur": 0},{"ph": "E", "ts": 9651043, "pid": 26},{"ph": "B", "name": "ALLREDUCE", "ts": 9651095, "pid": 26},{"ph": "B", "name": "WAIT_FOR_DATA", "ts": 9651097, "pid": 26},{"ph": "E", "ts": 9651106, "pid": 26},{"ph": "B", "name": "WAIT_FOR_OTHER_TENSOR_DATA", "ts": 9651108, "pid": 26},{"ph": "E", "ts": 9651166, "pid": 26},{"ph": "B", "name": "QUEUE", "ts": 9651331, "pid": 26},{"ph": "E", "ts": 9651351, "pid": 26},{"ph": "B", "name": "NCCL_REDUCESCATTER", "ts": 9651360, "pid": 26},{"ph": "E", "ts": 9673771, "pid": 26},{"ph": "B", "name": "NCCL_ALLREDUCE", "ts": 9673775, "pid": 26},{"ph": "E", "ts": 9683954, "pid": 26},{"ph": "B", "name": "NCCL_ALLGATHER", "ts": 9683957, "pid": 26},{"ph": "E", "ts": 9706473, "pid": 26},{"ph": "E", "ts": 9706498, "pid": 26, "args": {"dtype": "float32", "shape": "[33554432]"}},{"name": "process_name", "ph": "M", "pid": 27, "args": {"name": "allreduce.noname.27"}},
{"name": "process_sort_index", "ph": "M", "pid": 27, "args": {"sort_index": 27}},
{"ph": "B", "name": "NEGOTIATE_ALLREDUCE", "ts": 10418965, "pid": 27},{"ph": "X", "name": "8", "ts": 10418967, "pid": 27, "dur": 0},{"ph": "X", "name": "11", "ts": 10446557, "pid": 27, "dur": 0},{"ph": "X", "name": "5", "ts": 10450807, "pid": 27, "dur": 0},{"ph": "X", "name": "10", "ts": 10453995, "pid": 27, "dur": 0},{"ph": "X", "name": "15", "ts": 10466740, "pid": 27, "dur": 0},{"ph": "X", "name": "4", "ts": 10479480, "pid": 27, "dur": 0},{"ph": "X", "name": "12", "ts": 10489055, "pid": 27, "dur": 0},{"ph": "X", "name": "14", "ts": 10489058, "pid": 27, "dur": 0},{"ph": "X", "name": "7", "ts": 10491185, "pid": 27, "dur": 0},{"ph": "X", "name": "6", "ts": 10494345, "pid": 27, "dur": 0},{"ph": "X", "name": "13", "ts": 10495434, "pid": 27, "dur": 0},{"ph": "X", "name": "30", "ts": 10507103, "pid": 27, "dur": 0},{"ph": "X", "name": "9", "ts": 10512396, "pid": 27, "dur": 0},{"ph": "X", "name": "19", "ts": 10550667, "pid": 27, "dur": 0},{"ph": "X", "name": "17", "ts": 10554885, "pid": 27, "dur": 0},{"ph": "X", "name": "16", "ts": 10557022, "pid": 27, "dur": 0},{"ph": "X", "name": "29", "ts": 10559144, "pid": 27, "dur": 0},{"ph": "X", "name": "28", "ts": 10560208, "pid": 27, "dur": 0},{"ph": "X", "name": "31", "ts": 10560212, "pid": 27, "dur": 0},{"ph": "X", "name": "27", "ts": 10562327, "pid": 27, "dur": 0},{"ph": "X", "name": "0", "ts": 10568539, "pid": 27, "dur": 0},{"ph": "X", "name": "1", "ts": 10568733, "pid": 27, "dur": 0},{"ph": "X", "name": "2", "ts": 10568735, "pid": 27, "dur": 0},{"ph": "X", "name": "21", "ts": 10568747, "pid": 27, "dur": 0},{"ph": "X", "name": "22", "ts": 10568749, "pid": 27, "dur": 0},{"ph": "X", "name": "24", "ts": 10568753, "pid": 27, "dur": 0},{"ph": "X", "name": "25", "ts": 10568756, "pid": 27, "dur": 0},{"ph": "X", "name": "26", "ts": 10568765, "pid": 27, "dur": 0},{"ph": "X", "name": "23", "ts": 10569808, "pid": 27, "dur": 0},{"ph": "X", "name": "20", "ts": 10572053, "pid": 27, "dur": 0},{"ph": "X", "name": "3", "ts": 10578732, "pid": 27, "dur": 0},{"ph": "X", "name": "18", "ts": 10601625, "pid": 27, "dur": 0},{"ph": "E", "ts": 10601627, "pid": 27},{"ph": "B", "name": "ALLREDUCE", "ts": 10601686, "pid": 27},{"ph": "B", "name": "WAIT_FOR_DATA", "ts": 10601688, "pid": 27},{"ph": "E", "ts": 10601700, "pid": 27},{"ph": "B", "name": "WAIT_FOR_OTHER_TENSOR_DATA", "ts": 10601703, "pid": 27},{"ph": "E", "ts": 10601759, "pid": 27},{"ph": "B", "name": "QUEUE", "ts": 10601917, "pid": 27},{"ph": "E", "ts": 10601937, "pid": 27},{"ph": "B", "name": "NCCL_REDUCESCATTER", "ts": 10601945, "pid": 27},{"ph": "E", "ts": 10647048, "pid": 27},{"ph": "B", "name": "NCCL_ALLREDUCE", "ts": 10647052, "pid": 27},{"ph": "E", "ts": 10667407, "pid": 27},{"ph": "B", "name": "NCCL_ALLGATHER", "ts": 10667410, "pid": 27},{"ph": "E", "ts": 10712353, "pid": 27},{"ph": "E", "ts": 10712380, "pid": 27, "args": {"dtype": "float32", "shape": "[67108864]"}},{"name": "process_name", "ph": "M", "pid": 28, "args": {"name": "allreduce.noname.28"}},
{"name": "process_sort_index", "ph": "M", "pid": 28, "args": {"sort_index": 28}},
{"ph": "B", "name": "NEGOTIATE_ALLREDUCE", "ts": 12148853, "pid": 28},{"ph": "X", "name": "8", "ts": 12148856, "pid": 28, "dur": 0},{"ph": "X", "name": "11", "ts": 12208349, "pid": 28, "dur": 0},{"ph": "X", "name": "10", "ts": 12215789, "pid": 28, "dur": 0},{"ph": "X", "name": "5", "ts": 12232755, "pid": 28, "dur": 0},{"ph": "X", "name": "15", "ts": 12238073, "pid": 28, "dur": 0},{"ph": "X", "name": "4", "ts": 12252884, "pid": 28, "dur": 0},{"ph": "X", "name": "7", "ts": 12280525, "pid": 28, "dur": 0},{"ph": "X", "name": "12", "ts": 12281604, "pid": 28, "dur": 0},{"ph": "X", "name": "6", "ts": 12285897, "pid": 28, "dur": 0},{"ph": "X", "name": "14", "ts": 12289051, "pid": 28, "dur": 0},{"ph": "X", "name": "13", "ts": 12293256, "pid": 28, "dur": 0},{"ph": "X", "name": "9", "ts": 12308481, "pid": 28, "dur": 0},{"ph": "X", "name": "0", "ts": 12412311, "pid": 28, "dur": 0},{"ph": "X", "name": "28", "ts": 12418654, "pid": 28, "dur": 0},{"ph": "X", "name": "29", "ts": 12420762, "pid": 28, "dur": 0},{"ph": "X", "name": "1", "ts": 12421803, "pid": 28, "dur": 0},{"ph": "X", "name": "2", "ts": 12421806, "pid": 28, "dur": 0},{"ph": "X", "name": "27", "ts": 12423939, "pid": 28, "dur": 0},{"ph": "X", "name": "31", "ts": 12424999, "pid": 28, "dur": 0},{"ph": "X", "name": "3", "ts": 12430280, "pid": 28, "dur": 0},{"ph": "X", "name": "24", "ts": 12431359, "pid": 28, "dur": 0},{"ph": "X", "name": "25", "ts": 12431362, "pid": 28, "dur": 0},{"ph": "X", "name": "26", "ts": 12431365, "pid": 28, "dur": 0},{"ph": "X", "name": "21", "ts": 12482292, "pid": 28, "dur": 0},{"ph": "X", "name": "19", "ts": 12484400, "pid": 28, "dur": 0},{"ph": "X", "name": "17", "ts": 12486547, "pid": 28, "dur": 0},{"ph": "X", "name": "23", "ts": 12487602, "pid": 28, "dur": 0},{"ph": "X", "name": "30", "ts": 12487609, "pid": 28, "dur": 0},{"ph": "X", "name": "20", "ts": 12489734, "pid": 28, "dur": 0},{"ph": "X", "name": "16", "ts": 12490771, "pid": 28, "dur": 0},{"ph": "X", "name": "22", "ts": 12494998, "pid": 28, "dur": 0},{"ph": "X", "name": "18", "ts": 12525726, "pid": 28, "dur": 0},{"ph": "E", "ts": 12525730, "pid": 28},{"ph": "B", "name": "ALLREDUCE", "ts": 12525790, "pid": 28},{"ph": "B", "name": "WAIT_FOR_DATA", "ts": 12525793, "pid": 28},{"ph": "E", "ts": 12525807, "pid": 28},{"ph": "B", "name": "WAIT_FOR_OTHER_TENSOR_DATA", "ts": 12525810, "pid": 28},{"ph": "E", "ts": 12525867, "pid": 28},{"ph": "B", "name": "QUEUE", "ts": 12526060, "pid": 28},{"ph": "E", "ts": 12526082, "pid": 28},{"ph": "B", "name": "NCCL_REDUCESCATTER", "ts": 12526100, "pid": 28},{"ph": "E", "ts": 12615896, "pid": 28},{"ph": "B", "name": "NCCL_ALLREDUCE", "ts": 12615899, "pid": 28},{"ph": "E", "ts": 12656615, "pid": 28},{"ph": "B", "name": "NCCL_ALLGATHER", "ts": 12656617, "pid": 28},{"ph": "E", "ts": 12746627, "pid": 28},{"ph": "E", "ts": 12746648, "pid": 28, "args": {"dtype": "float32", "shape": "[134217728]"}}]

extract-timeline.py

import json

f = open('./data/horovod-results/32gpu/logs/10g-nccl-fast.json')

data = json.load(f)

small = 1e9
large = 0

for i in data:
    if i['pid'] == 3 and 'ts' in i:
        if i['ts'] > large:
            large = i['ts']
        if i['ts'] < small:
            small = i['ts']

print(large)
print(small)
print(large-small)