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README.md

This folder is an exmample backend to lower MobileNetV2. It covers the AOT side and showcase how to quantize and lower a MobileNetV2 to the example backend. The serialization format is purely string for demo purpose as it'll be up to backend's decision to choose serialization format.

The folder structure incluces:

  • example_quantizer
  • example_partitioner
  • example_backend
  • examples_operators. Assuming all of them can run in the example backend.
    • The OpBase defined in op_base.py is just the draft idea, it can be defined more comprehensively depending example operator definitions
  • example_backend_delegate_passes. It includes passes that might be helpful in the backend. Right now there are two passes: merge_to_dim_pass.py and permute_memory_formats_pass.py. They are examples to show how to represent memory format permutation and how to represent operators with different memory format (like channel last)
    • merge_to_dim_pass.py only handles one merging cases. More cases need to be covered but should be straitforward.

High Level Flow

In the following diagram, we show how to quantize a mobile net v2 model and lower it to ExampleBackend.

Quantize and Delegate

We can define patterns based on the operators supported by the backend, which will be used by the quantizer and delegate.

Partitioner and Backend

The way partitioner and backend is, partitioner will tag the nodes to lower to the backend and backend will will receive all tagged nodes and preprocess them as a delegate.

Memory format permute

Some operators may have better performance in the memory format other than contiguous. One way to do that is to insert to_dim_op to describe memory format permutation and merge if there two opposite one next to each other.

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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README.md
This folder is an exmample backend to lower MobileNetV2. It covers the AOT side and showcase how to quantize and lower a MobileNetV2 to the example backend. The serialization format is purely string for demo purpose as it'll be up to backend's decision to choose serialization format.
The folder structure incluces:
  • example_quantizer
  • example_partitioner
  • example_backend
  • examples_operators. Assuming all of them can run in the example backend.

    • The OpBase defined in op_base.py is just the draft idea, it can be defined more comprehensively depending example operator definitions
  • example_backend_delegate_passes. It includes passes that might be helpful in the backend. Right now there are two passes: merge_to_dim_pass.py and permute_memory_formats_pass.py. They are examples to show how to represent memory format permutation and how to represent operators with different memory format (like channel last)

    • merge_to_dim_pass.py only handles one merging cases. More cases need to be covered but should be straitforward.
High Level Flow
In the following diagram, we show how to quantize a mobile net v2 model and lower it to ExampleBackend.
Quantize and Delegate
We can define patterns based on the operators supported by the backend, which will be used by the quantizer and delegate.
Partitioner and Backend
The way partitioner and backend is, partitioner will tag the nodes to lower to the backend and backend will will receive all tagged nodes and preprocess them as a delegate.
Memory format permute
Some operators may have better performance in the memory format other than contiguous. One way to do that is to insert to_dim_op to describe memory format permutation and merge if there two opposite one next to each other.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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example
README.md
This folder is an exmample backend to lower MobileNetV2. It covers the AOT side and showcase how to quantize and lower a MobileNetV2 to the example backend. The serialization format is purely string for demo purpose as it'll be up to backend's decision to choose serialization format.
The folder structure incluces:
  • example_quantizer
  • example_partitioner
  • example_backend
  • examples_operators. Assuming all of them can run in the example backend.

    • The OpBase defined in op_base.py is just the draft idea, it can be defined more comprehensively depending example operator definitions
  • example_backend_delegate_passes. It includes passes that might be helpful in the backend. Right now there are two passes: merge_to_dim_pass.py and permute_memory_formats_pass.py. They are examples to show how to represent memory format permutation and how to represent operators with different memory format (like channel last)

    • merge_to_dim_pass.py only handles one merging cases. More cases need to be covered but should be straitforward.
High Level Flow
In the following diagram, we show how to quantize a mobile net v2 model and lower it to ExampleBackend.
Quantize and Delegate
We can define patterns based on the operators supported by the backend, which will be used by the quantizer and delegate.
Partitioner and Backend
The way partitioner and backend is, partitioner will tag the nodes to lower to the backend and backend will will receive all tagged nodes and preprocess them as a delegate.
Memory format permute
Some operators may have better performance in the memory format other than contiguous. One way to do that is to insert to_dim_op to describe memory format permutation and merge if there two opposite one next to each other.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
example
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example
README.md
This folder is an exmample backend to lower MobileNetV2. It covers the AOT side and showcase how to quantize and lower a MobileNetV2 to the example backend. The serialization format is purely string for demo purpose as it'll be up to backend's decision to choose serialization format.
The folder structure incluces:
  • example_quantizer
  • example_partitioner
  • example_backend
  • examples_operators. Assuming all of them can run in the example backend.

    • The OpBase defined in op_base.py is just the draft idea, it can be defined more comprehensively depending example operator definitions
  • example_backend_delegate_passes. It includes passes that might be helpful in the backend. Right now there are two passes: merge_to_dim_pass.py and permute_memory_formats_pass.py. They are examples to show how to represent memory format permutation and how to represent operators with different memory format (like channel last)

    • merge_to_dim_pass.py only handles one merging cases. More cases need to be covered but should be straitforward.
High Level Flow
In the following diagram, we show how to quantize a mobile net v2 model and lower it to ExampleBackend.
Quantize and Delegate
We can define patterns based on the operators supported by the backend, which will be used by the quantizer and delegate.
Partitioner and Backend
The way partitioner and backend is, partitioner will tag the nodes to lower to the backend and backend will will receive all tagged nodes and preprocess them as a delegate.
Memory format permute
Some operators may have better performance in the memory format other than contiguous. One way to do that is to insert to_dim_op to describe memory format permutation and merge if there two opposite one next to each other.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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example
README.md
This folder is an exmample backend to lower MobileNetV2. It covers the AOT side and showcase how to quantize and lower a MobileNetV2 to the example backend. The serialization format is purely string for demo purpose as it'll be up to backend's decision to choose serialization format.
The folder structure incluces:
  • example_quantizer
  • example_partitioner
  • example_backend
  • examples_operators. Assuming all of them can run in the example backend.

    • The OpBase defined in op_base.py is just the draft idea, it can be defined more comprehensively depending example operator definitions
  • example_backend_delegate_passes. It includes passes that might be helpful in the backend. Right now there are two passes: merge_to_dim_pass.py and permute_memory_formats_pass.py. They are examples to show how to represent memory format permutation and how to represent operators with different memory format (like channel last)

    • merge_to_dim_pass.py only handles one merging cases. More cases need to be covered but should be straitforward.
High Level Flow
In the following diagram, we show how to quantize a mobile net v2 model and lower it to ExampleBackend.
Quantize and Delegate
We can define patterns based on the operators supported by the backend, which will be used by the quantizer and delegate.
Partitioner and Backend
The way partitioner and backend is, partitioner will tag the nodes to lower to the backend and backend will will receive all tagged nodes and preprocess them as a delegate.
Memory format permute
Some operators may have better performance in the memory format other than contiguous. One way to do that is to insert to_dim_op to describe memory format permutation and merge if there two opposite one next to each other.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
example
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example
README.md
This folder is an exmample backend to lower MobileNetV2. It covers the AOT side and showcase how to quantize and lower a MobileNetV2 to the example backend. The serialization format is purely string for demo purpose as it'll be up to backend's decision to choose serialization format.
The folder structure incluces:
  • example_quantizer
  • example_partitioner
  • example_backend
  • examples_operators. Assuming all of them can run in the example backend.

    • The OpBase defined in op_base.py is just the draft idea, it can be defined more comprehensively depending example operator definitions
  • example_backend_delegate_passes. It includes passes that might be helpful in the backend. Right now there are two passes: merge_to_dim_pass.py and permute_memory_formats_pass.py. They are examples to show how to represent memory format permutation and how to represent operators with different memory format (like channel last)

    • merge_to_dim_pass.py only handles one merging cases. More cases need to be covered but should be straitforward.
High Level Flow
In the following diagram, we show how to quantize a mobile net v2 model and lower it to ExampleBackend.
Quantize and Delegate
We can define patterns based on the operators supported by the backend, which will be used by the quantizer and delegate.
Partitioner and Backend
The way partitioner and backend is, partitioner will tag the nodes to lower to the backend and backend will will receive all tagged nodes and preprocess them as a delegate.
Memory format permute
Some operators may have better performance in the memory format other than contiguous. One way to do that is to insert to_dim_op to describe memory format permutation and merge if there two opposite one next to each other.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
example
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example
README.md
This folder is an exmample backend to lower MobileNetV2. It covers the AOT side and showcase how to quantize and lower a MobileNetV2 to the example backend. The serialization format is purely string for demo purpose as it'll be up to backend's decision to choose serialization format.
The folder structure incluces:
  • example_quantizer
  • example_partitioner
  • example_backend
  • examples_operators. Assuming all of them can run in the example backend.

    • The OpBase defined in op_base.py is just the draft idea, it can be defined more comprehensively depending example operator definitions
  • example_backend_delegate_passes. It includes passes that might be helpful in the backend. Right now there are two passes: merge_to_dim_pass.py and permute_memory_formats_pass.py. They are examples to show how to represent memory format permutation and how to represent operators with different memory format (like channel last)

    • merge_to_dim_pass.py only handles one merging cases. More cases need to be covered but should be straitforward.
High Level Flow
In the following diagram, we show how to quantize a mobile net v2 model and lower it to ExampleBackend.
Quantize and Delegate
We can define patterns based on the operators supported by the backend, which will be used by the quantizer and delegate.
Partitioner and Backend
The way partitioner and backend is, partitioner will tag the nodes to lower to the backend and backend will will receive all tagged nodes and preprocess them as a delegate.
Memory format permute
Some operators may have better performance in the memory format other than contiguous. One way to do that is to insert to_dim_op to describe memory format permutation and merge if there two opposite one next to each other.

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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example
README.md
This folder is an exmample backend to lower MobileNetV2. It covers the AOT side and showcase how to quantize and lower a MobileNetV2 to the example backend. The serialization format is purely string for demo purpose as it'll be up to backend's decision to choose serialization format.
The folder structure incluces:
  • example_quantizer
  • example_partitioner
  • example_backend
  • examples_operators. Assuming all of them can run in the example backend.

    • The OpBase defined in op_base.py is just the draft idea, it can be defined more comprehensively depending example operator definitions
  • example_backend_delegate_passes. It includes passes that might be helpful in the backend. Right now there are two passes: merge_to_dim_pass.py and permute_memory_formats_pass.py. They are examples to show how to represent memory format permutation and how to represent operators with different memory format (like channel last)

    • merge_to_dim_pass.py only handles one merging cases. More cases need to be covered but should be straitforward.
High Level Flow
In the following diagram, we show how to quantize a mobile net v2 model and lower it to ExampleBackend.
Quantize and Delegate
We can define patterns based on the operators supported by the backend, which will be used by the quantizer and delegate.
Partitioner and Backend
The way partitioner and backend is, partitioner will tag the nodes to lower to the backend and backend will will receive all tagged nodes and preprocess them as a delegate.
Memory format permute
Some operators may have better performance in the memory format other than contiguous. One way to do that is to insert to_dim_op to describe memory format permutation and merge if there two opposite one next to each other.