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from __future__ import annotations
import math
from bokeh.core.properties import without_property_validation
from bokeh.models import (
BasicTicker,
ColumnDataSource,
HoverTool,
NumeralTickFormatter,
OpenURL,
TapTool,
)
from bokeh.plotting import figure
from tornado import escape
from dask.utils import format_bytes
from distributed.dashboard.components import DashboardComponent, add_periodic_callback
from distributed.dashboard.components.scheduler import BOKEH_THEME, TICKS_1024, env
from distributed.dashboard.utils import update
from distributed.utils import log_errors
class GPUCurrentLoad(DashboardComponent):
"""How many tasks are on each worker"""
@log_errors
def __init__(self, scheduler, width=600, **kwargs):
self.last = 0
self.scheduler = scheduler
self.source = ColumnDataSource(
{
"memory": [1, 2],
"memory-half": [0.5, 1],
"memory_text": ["1B", "2B"],
"utilization": [1, 2],
"utilization-half": [0.5, 1],
"worker": ["a", "b"],
"gpu-index": [0, 0],
"y": [1, 2],
"escaped_worker": ["a", "b"],
}
)
memory = figure(
title="GPU Memory",
tools="",
width=int(width / 2),
name="gpu_memory_histogram",
**kwargs,
)
rect = memory.rect(
source=self.source,
x="memory-half",
y="y",
width="memory",
height=1,
color="#76B900",
)
rect.nonselection_glyph = None
utilization = figure(
title="GPU Utilization",
tools="",
width=int(width / 2),
name="gpu_utilization_histogram",
**kwargs,
)
rect = utilization.rect(
source=self.source,
x="utilization-half",
y="y",
width="utilization",
height=1,
color="#76B900",
)
rect.nonselection_glyph = None
memory.axis[0].ticker = BasicTicker(**TICKS_1024)
memory.xaxis[0].formatter = NumeralTickFormatter(format="0.0 b")
memory.xaxis.major_label_orientation = -math.pi / 12
memory.x_range.start = 0
for fig in [memory, utilization]:
fig.xaxis.minor_tick_line_alpha = 0
fig.yaxis.visible = False
fig.ygrid.visible = False
tap = TapTool(callback=OpenURL(url="./info/worker/@escaped_worker.html"))
fig.add_tools(tap)
fig.toolbar_location = None
fig.yaxis.visible = False
hover = HoverTool()
hover.tooltips = "@worker : @utilization %"
hover.point_policy = "follow_mouse"
utilization.add_tools(hover)
hover = HoverTool()
hover.tooltips = "@worker : @memory_text"
hover.point_policy = "follow_mouse"
memory.add_tools(hover)
self.memory_figure = memory
self.utilization_figure = utilization
self.utilization_figure.y_range = memory.y_range
self.utilization_figure.x_range.start = 0
self.utilization_figure.x_range.end = 100
@without_property_validation
@log_errors
def update(self):
workers = list(self.scheduler.workers.values())
utilization = []
memory = []
gpu_index = []
y = []
memory_total = 0
memory_max = 0
worker = []
for idx, ws in enumerate(workers):
try:
info = ws.extra["gpu"]
except KeyError:
continue
metrics = ws.metrics["gpu"]
u = metrics["utilization"]
mem_used = metrics["memory-used"]
mem_total = info["memory-total"]
memory_max = max(memory_max, mem_total)
memory_total += mem_total
utilization.append(int(u))
memory.append(mem_used)
worker.append(ws.address)
gpu_index.append(idx)
y.append(idx)
memory_text = [format_bytes(m) for m in memory]
result = {
"memory": memory,
"memory-half": [m / 2 for m in memory],
"memory_text": memory_text,
"utilization": utilization,
"utilization-half": [u / 2 for u in utilization],
"worker": worker,
"gpu-index": gpu_index,
"y": y,
"escaped_worker": [escape.url_escape(w) for w in worker],
}
self.memory_figure.title.text = "GPU Memory: {} / {}".format(
format_bytes(sum(memory)),
format_bytes(memory_total),
)
self.memory_figure.x_range.end = memory_max
update(self.source, result)
@log_errors
def gpu_memory_doc(scheduler, extra, doc):
gpu_load = GPUCurrentLoad(scheduler, sizing_mode="stretch_both")
gpu_load.update()
add_periodic_callback(doc, gpu_load, 100)
doc.add_root(gpu_load.memory_figure)
doc.theme = BOKEH_THEME
@log_errors
def gpu_utilization_doc(scheduler, extra, doc):
gpu_load = GPUCurrentLoad(scheduler, sizing_mode="stretch_both")
gpu_load.update()
add_periodic_callback(doc, gpu_load, 100)
doc.add_root(gpu_load.utilization_figure)
doc.theme = BOKEH_THEME
@log_errors
def gpu_doc(scheduler, extra, doc):
gpu_load = GPUCurrentLoad(scheduler, sizing_mode="stretch_both")
gpu_load.update()
add_periodic_callback(doc, gpu_load, 100)
doc.add_root(gpu_load.memory_figure)
doc.add_root(gpu_load.utilization_figure)
doc.title = "Dask: GPU"
doc.theme = BOKEH_THEME
doc.template = env.get_template("gpu.html")
doc.template_variables.update(extra)
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