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Dashboard performance #1857

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55ad7c8
Dashboard performance improvements
mutatrum Aug 7, 2026
6d44624
Shorten reconnect timeout
mutatrum Aug 8, 2026
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2 changes: 2 additions & 0 deletions main/http_server/axe-os/src/app/app.module.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,7 @@ import { HashSuffixPipe } from './pipes/hash-suffix.pipe';
import { DiffSuffixPipe } from './pipes/diff-suffix.pipe';
import { AddressPipe } from './pipes/address.pipe';
import { SatsPipe } from './pipes/sats.pipe';
import { HeatmapLightnessPipe } from './pipes/heatmap-lightness.pipe';
import { DialogService, DialogListComponent } from './services/dialog.service';

const components = [
Expand Down Expand Up @@ -96,6 +97,7 @@ const components = [
DiffSuffixPipe,
AddressPipe,
SatsPipe,
HeatmapLightnessPipe,
],
providers: [
{ provide: LocationStrategy, useClass: HashLocationStrategy },
Expand Down
38 changes: 23 additions & 15 deletions main/http_server/axe-os/src/app/components/chart/app-chart.component.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { Component, ElementRef, Input, OnChanges, OnDestroy, SimpleChanges, ViewChild } from '@angular/core';
import { Component, ElementRef, Input, NgZone, OnChanges, OnDestroy, SimpleChanges, ViewChild } from '@angular/core';
import { Chart, registerables } from 'chart.js';

Chart.register(...registerables);
Expand All @@ -25,6 +25,8 @@ export class AppChartComponent implements OnChanges, OnDestroy {

public chart: Chart | null = null;

constructor(private ngZone: NgZone) {}

ngOnChanges(changes: SimpleChanges) {
if (changes['data'] || changes['options'] || changes['type']) {
this.updateChart();
Expand All @@ -37,34 +39,40 @@ export class AppChartComponent implements OnChanges, OnDestroy {

private destroyChart() {
if (this.chart) {
this.chart.destroy();
this.chart = null;
this.ngZone.runOutsideAngular(() => {
this.chart?.destroy();
this.chart = null;
});
}
}

private updateChart() {
if (!this.canvas) return;

if (this.chart) {
this.chart.data = this.data;
if (this.options) {
this.chart.options = this.options;
this.ngZone.runOutsideAngular(() => {
if (this.chart) {
this.chart.data = this.data;
if (this.options) {
this.chart.options = this.options;
}
this.chart.update();
} else {
this.initChart();
}
this.chart.update();
} else {
this.initChart();
}
});
}

private initChart() {
this.destroyChart();
const ctx = this.canvas.nativeElement.getContext('2d');
if (!ctx) return;

this.chart = new Chart(ctx, {
type: this.type as any,
data: this.data,
options: this.options
this.ngZone.runOutsideAngular(() => {
this.chart = new Chart(ctx, {
type: this.type as any,
data: this.data,
options: this.options
});
});
}

Expand Down
18 changes: 9 additions & 9 deletions main/http_server/axe-os/src/app/components/home/home.component.html
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Expand Up @@ -233,7 +233,7 @@ <h6 class="flex justify-between mb-1">
</h6>
@let powerProgress = ((info.power / info.maxPower) * 100);
<div class="w-full bg-progressbar rounded-sm overflow-hidden h-[6px]">
<div class="bg-progressbar-value h-full transition-all duration-300" [style.width.%]="powerProgress"></div>
<div class="bg-progressbar-value h-full transition-[width] duration-300" [style.width.%]="powerProgress"></div>
</div>
</div>

Expand All @@ -244,7 +244,7 @@ <h6 class="flex justify-between mb-1">
<div class="relative">
@let voltageProgress = ((info.voltage / (info.nominalVoltage + .5)) * 100);
<div class="w-full bg-progressbar rounded-sm overflow-hidden h-[6px]">
<div class="bg-progressbar-value h-full transition-all duration-300" [style.width.%]="voltageProgress"></div>
<div class="bg-progressbar-value h-full transition-[width] duration-300" [style.width.%]="voltageProgress"></div>
</div>

<!-- Conditional marker based on nominal voltage-->
Expand All @@ -268,7 +268,7 @@ <h6 class="flex justify-between mb-1">
</h6>
@let freqProgress = ((info.actualFrequency / maxFrequency) * 100);
<div class="w-full bg-progressbar rounded-sm overflow-hidden h-[6px]">
<div class="bg-progressbar-value h-full transition-all duration-300" [style.width.%]="freqProgress"></div>
<div class="bg-progressbar-value h-full transition-[width] duration-300" [style.width.%]="freqProgress"></div>
</div>
</div>

Expand All @@ -278,7 +278,7 @@ <h6 class="flex justify-between mb-1">
</h6>
@let coreVoltProgress = ((info.coreVoltageActual / 1.8) * 100);
<div class="w-full bg-progressbar rounded-sm overflow-hidden h-[6px]">
<div class="bg-progressbar-value h-full transition-all duration-300" [style.width.%]="coreVoltProgress"></div>
<div class="bg-progressbar-value h-full transition-[width] duration-300" [style.width.%]="coreVoltProgress"></div>
</div>
</div>
</div>
Expand Down Expand Up @@ -307,7 +307,7 @@ <h6 class="flex justify-between mb-1">
</h6>
@let tempProgress = ((info.temp / maxTemp) * 100);
<div class="w-full bg-progressbar rounded-sm overflow-hidden h-[6px]">
<div class="bg-progressbar-value h-full transition-all duration-300" [style.width.%]="tempProgress"></div>
<div class="bg-progressbar-value h-full transition-[width] duration-300" [style.width.%]="tempProgress"></div>
</div>

<strong class="text-red-500" *ngIf="info.temp >= 70">
Expand All @@ -324,7 +324,7 @@ <h6 class="flex justify-between mb-1">
</h6>
@let temp2Progress = ((info.temp2 / maxTemp) * 100);
<div class="w-full bg-progressbar rounded-sm overflow-hidden h-[6px]">
<div class="bg-progressbar-value h-full transition-all duration-300" [style.width.%]="temp2Progress"></div>
<div class="bg-progressbar-value h-full transition-[width] duration-300" [style.width.%]="temp2Progress"></div>
</div>

<strong class="text-red-500" *ngIf="info.temp2 >= 70">
Expand All @@ -338,7 +338,7 @@ <h6 class="flex justify-between mb-1">
</h6>
@let vrTempProgress = ((info.vrTemp / 120) * 100);
<div class="w-full bg-progressbar rounded-sm overflow-hidden h-[6px]">
<div class="bg-progressbar-value h-full transition-all duration-300" [style.width.%]="vrTempProgress"></div>
<div class="bg-progressbar-value h-full transition-[width] duration-300" [style.width.%]="vrTempProgress"></div>
</div>

<strong class="text-red-500" *ngIf="info.vrTemp >= 105">
Expand Down Expand Up @@ -370,7 +370,7 @@ <h4 class="text-center font-medium">Fan</h4>
</h6>
@let fanProgress = info.fanspeed;
<div class="w-full bg-progressbar rounded-sm overflow-hidden h-[6px]">
<div class="bg-progressbar-value h-full transition-all duration-300" [style.width.%]="fanProgress"></div>
<div class="bg-progressbar-value h-full transition-[width] duration-300" [style.width.%]="fanProgress"></div>
</div>
</div>
</div>
Expand Down Expand Up @@ -581,7 +581,7 @@ <h4 class="whitespace-nowrap overflow-hidden text-ellipsis font-medium">Hashrate
{{ i + 1 }}
</td>
<td *ngFor="let domain of asic?.domains; trackBy: trackByIndex"
[style.--lightness]="getHeatmapLightness(domain, info.expectedHashrate)"
[style.--lightness]="domain | heatmapLightness: info.expectedHashrate : asicsAmount : asicDomainsAmount"
[style.height]="(asicAmount <= 2 ? '2rem' : null)"
class="heatmap-cell">
<span class="text-xs">{{ domain | hashSuffix }}</span>
Expand Down
4 changes: 3 additions & 1 deletion main/http_server/axe-os/src/app/components/home/home.component.spec.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ import { DateAgoPipe } from 'src/app/pipes/date-ago.pipe';
import { AddressPipe } from 'src/app/pipes/address.pipe';
import { SatsPipe } from 'src/app/pipes/sats.pipe';
import { ByteSuffixPipe } from 'src/app/pipes/byte-suffix.pipe';
import { HeatmapLightnessPipe } from 'src/app/pipes/heatmap-lightness.pipe';

import { TooltipTextIconComponent } from 'src/app/components/tooltip-text-icon/tooltip-text-icon.component';
import { TooltipIconComponent } from 'src/app/components/tooltip-icon/tooltip-icon.component';
Expand Down Expand Up @@ -166,7 +167,8 @@ describe('HomeComponent', () => {
DateAgoPipe,
AddressPipe,
SatsPipe,
ByteSuffixPipe
ByteSuffixPipe,
HeatmapLightnessPipe
],
providers: [
provideRouter([]),
Expand Down
121 changes: 73 additions & 48 deletions main/http_server/axe-os/src/app/components/home/home.component.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { Component, OnInit, ViewChild, Input, OnDestroy, ElementRef, HostListener, effect } from '@angular/core';
import { Component, OnInit, ViewChild, Input, OnDestroy, ElementRef, HostListener, effect, NgZone, ChangeDetectionStrategy, ChangeDetectorRef } from '@angular/core';
import { map, Observable, shareReplay, Subscription, switchMap, tap, first, Subject, takeUntil, BehaviorSubject, filter, combineLatest } from 'rxjs';
import { HttpErrorResponse } from '@angular/common/http';
import { getHttpErrorMessage } from 'src/app/utils/error-handler';
Expand Down Expand Up @@ -74,6 +74,7 @@ const WIDGET_DEFAULTS: WidgetDef[] = [
selector: 'app-home',
templateUrl: './home.component.html',
styleUrls: ['./home.component.scss'],
changeDetection: ChangeDetectionStrategy.OnPush,
standalone: false
})
export class HomeComponent implements OnInit, OnDestroy {
Expand Down Expand Up @@ -221,7 +222,9 @@ export class HomeComponent implements OnInit, OnDestroy {
private shareRejectReasonsService: ShareRejectionExplanationService,
private storageService: LocalStorageService,
private dashboardEditService: DashboardEditService,
public layoutService: LayoutService
public layoutService: LayoutService,
private ngZone: NgZone,
private cd: ChangeDetectorRef
) {
this.initializeChart();

Expand Down Expand Up @@ -285,7 +288,9 @@ export class HomeComponent implements OnInit, OnDestroy {
this.loadPreviousData();
})

this.staleCheckInterval = setInterval(() => this.checkStaleData(), 1000);
this.ngZone.runOutsideAngular(() => {
this.staleCheckInterval = setInterval(() => this.checkStaleData(), 1000);
});

this.loadPreviousData();
}
Expand Down Expand Up @@ -481,7 +486,9 @@ export class HomeComponent implements OnInit, OnDestroy {
const durationSeconds = Math.floor(elapsedMs / 1000);
const current = this.systemInfoError$.value;
if (current.duration !== durationSeconds) {
this.systemInfoError$.next({ duration: durationSeconds, startTime: this.lastMessageTime });
this.ngZone.run(() => {
this.systemInfoError$.next({ duration: durationSeconds, startTime: this.lastMessageTime });
});
}
}
}
Expand Down Expand Up @@ -926,25 +933,41 @@ export class HomeComponent implements OnInit, OnDestroy {
if (this.lastSharesAcceptedCount !== -1 && currentSharesAccepted > this.lastSharesAcceptedCount) {
this.flashShareAccepted = true;
clearTimeout(this.shareAcceptedTimeout);
this.shareAcceptedTimeout = setTimeout(() => this.flashShareAccepted = false, 500);
this.ngZone.runOutsideAngular(() => {
this.shareAcceptedTimeout = setTimeout(() => {
this.flashShareAccepted = false;
this.cd.markForCheck();
}, 500);
});
}
this.lastSharesAcceptedCount = currentSharesAccepted;

const currentSharesRejected = info.sharesRejected;
if (this.lastSharesRejectedCount !== -1 && currentSharesRejected > this.lastSharesRejectedCount) {
this.flashShareRejected = true;
clearTimeout(this.shareRejectedTimeout);
this.shareRejectedTimeout = setTimeout(() => this.flashShareRejected = false, 500);
this.ngZone.runOutsideAngular(() => {
this.shareRejectedTimeout = setTimeout(() => {
this.flashShareRejected = false;
this.cd.markForCheck();
}, 500);
});
}
this.lastSharesRejectedCount = currentSharesRejected;

const currentWorkReceived = info.workReceived ?? 0;
if (this.lastWorkReceived !== -1 && currentWorkReceived > this.lastWorkReceived) {
this.flashWorkReceived = true;
clearTimeout(this.workReceivedTimeout);
this.workReceivedTimeout = setTimeout(() => this.flashWorkReceived = false, 500);
this.ngZone.runOutsideAngular(() => {
this.workReceivedTimeout = setTimeout(() => {
this.flashWorkReceived = false;
this.cd.markForCheck();
}, 500);
});
}
this.lastWorkReceived = currentWorkReceived;
this.cd.markForCheck();
}),
map(info => {
const formatted = { ...info };
Expand All @@ -967,6 +990,7 @@ export class HomeComponent implements OnInit, OnDestroy {
.subscribe(([info, systemInfoError]) => {
this.handleSystemMessages(info, systemInfoError);
this.setTitle(info, systemInfoError);
this.cd.markForCheck();
});

this.info$.pipe(first(), takeUntil(this.destroy$)).subscribe(() => {
Expand Down Expand Up @@ -1234,54 +1258,55 @@ export class HomeComponent implements OnInit, OnDestroy {
const statsFrequencyMs = (statsFrequency || 30) * 1000;
const windowDurationMs = limit * statsFrequencyMs;

const currentSpan = this.dataLabel[this.dataLabel.length - 1] - this.dataLabel[0];
if (currentSpan >= windowDurationMs) {
const excess = this.dataLabel.length - limit;
if (excess > 0) {
this.dataLabel.splice(0, excess);
this.hashrateData.splice(0, excess);
this.powerData.splice(0, excess);
this.chartY1Data.splice(0, excess);
this.chartY2Data.splice(0, excess);
}
}

while (this.dataLabel.length > limit) {
const currentSpan = this.dataLabel[this.dataLabel.length - 1] - this.dataLabel[0];

if (currentSpan >= windowDurationMs) {
// Option A: Chart is at max capacity in time. Prune oldest to slide the window.
this.dataLabel.shift();
this.hashrateData.shift();
this.powerData.shift();
this.chartY1Data.shift();
this.chartY2Data.shift();
} else {
// Option B: Chart is crowded. Binary search for the densest region.
// We initialize search range from index 1 to length - 2 to protect the oldest point (index 0)
// and newest point (index length - 1) from being deleted, preserving chart boundaries.
let low = 1;
let high = this.dataLabel.length - 2;
while (high - low > 1) {
const midTime = (this.dataLabel[low] + this.dataLabel[high]) / 2;

let split = low;
for (let i = low; i <= high; i++) {
if (this.dataLabel[i] >= midTime) {
split = i;
break;
}
// Option B: Chart is crowded. Binary search for the densest region.
// We initialize search range from index 1 to length - 2 to protect the oldest point (index 0)
// and newest point (index length - 1) from being deleted, preserving chart boundaries.
let low = 1;
let high = this.dataLabel.length - 2;
while (high - low > 1) {
const midTime = (this.dataLabel[low] + this.dataLabel[high]) / 2;

let split = low;
for (let i = low; i <= high; i++) {
if (this.dataLabel[i] >= midTime) {
split = i;
break;
}
}

// Ensure we make progress even if multiple points have the same timestamp
if (split === low) split++;
if (split > high) split = high;
// Ensure we make progress even if multiple points have the same timestamp
if (split === low) split++;
if (split > high) split = high;

const leftCount = split - low;
const rightCount = high - split + 1;
const leftCount = split - low;
const rightCount = high - split + 1;

if (leftCount > rightCount) {
high = split - 1;
} else {
low = split;
}
if (leftCount > rightCount) {
high = split - 1;
} else {
low = split;
}

// Remove point at index 'low'.
this.dataLabel.splice(low, 1);
this.hashrateData.splice(low, 1);
this.powerData.splice(low, 1);
this.chartY1Data.splice(low, 1);
this.chartY2Data.splice(low, 1);
}

// Remove point at index 'low'.
this.dataLabel.splice(low, 1);
this.hashrateData.splice(low, 1);
this.powerData.splice(low, 1);
this.chartY1Data.splice(low, 1);
this.chartY2Data.splice(low, 1);
}

if (this.chartData) {
Expand Down
9 changes: 6 additions & 3 deletions main/http_server/axe-os/src/app/pipes/date-ago.pipe.ts
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Expand Up @@ -12,9 +12,12 @@ export class DateAgoPipe implements PipeTransform {
}

transform(value: any, args?: any): any {
if (value) {
value = new Date().getTime() - value * 1000;
let seconds = Math.floor((+new Date() - +new Date(value)) / 1000);
if (value !== undefined && value !== null && value !== '') {
let seconds = Math.floor(Number(value));
if (seconds > 1e9) {
seconds = Math.floor((Date.now() - seconds) / 1000);
}
if (isNaN(seconds) || seconds < 0) return value;
if (!args?.strict && seconds < 29) // less than 30 seconds ago will show as 'Just now'
return 'Just now';
const intervals: { [key: string]: number } = {
Expand Down
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