{"id":3619,"date":"2026-04-23T11:13:09","date_gmt":"2026-04-23T02:13:09","guid":{"rendered":"https:\/\/persc.jp\/blog\/?p=3619"},"modified":"2026-04-23T15:29:26","modified_gmt":"2026-04-23T06:29:26","slug":"comfyui-vram-optimization","status":"publish","type":"post","link":"https:\/\/persc.jp\/blog\/comfyui-vram-optimization\/","title":{"rendered":"VRAM\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\uff5cFP8\u91cf\u5b50\u5316\u30fb\u30e2\u30c7\u30eb\u30aa\u30d5\u30ed\u30fc\u30c9"},"content":{"rendered":"<p>ComfyUI\uff08\u30ce\u30fc\u30c9\u3092\u3064\u306a\u3044\u3067\u753b\u50cf\u751f\u6210AI\u3092\u52d5\u304b\u3059\u30c4\u30fc\u30eb\uff09\u3067\u753b\u50cf\u3084\u52d5\u753b\u3092\u751f\u6210\u3057\u3066\u3044\u308b\u3068\u3001\u7a81\u7136\u300cCUDA out of memory\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u3066\u4f5c\u696d\u304c\u6b62\u307e\u3063\u305f\u7d4c\u9a13\u306f\u3042\u308a\u307e\u305b\u3093\u304b\u3002\u7279\u306bFlux\uff08\u30d5\u30e9\u30c3\u30af\u30b9\uff09\u3084Wan2.2\u306e\u3088\u3046\u306a\u5927\u578b\u30e2\u30c7\u30eb\u3092\u6271\u3046\u3068\u300116GB\u306eVRAM\u3067\u3082\u4e0d\u8db3\u3059\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u9069\u5207\u306aVRAM\u6700\u9069\u5316\u3092\u65bd\u305b\u3070\u30018GB\u30af\u30e9\u30b9\u306eGPU\u3067\u3082\u3053\u3046\u3057\u305f\u30e2\u30c7\u30eb\u3092\u52d5\u304b\u305b\u307e\u3059\u3002\u91cf\u5b50\u5316\u3084\u30aa\u30d5\u30ed\u30fc\u30c9\u3068\u3044\u3063\u305f\u624b\u6cd5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9ad8\u4fa1\u306aGPU\u306b\u8cb7\u3044\u66ff\u3048\u306a\u304f\u3066\u3082\u3001\u751f\u6210\u54c1\u8cea\u3092\u307b\u307c\u7dad\u6301\u3057\u305f\u307e\u307e\u4f5c\u696d\u3092\u7d9a\u3051\u3089\u308c\u307e\u3059\u3002\u6570\u4e07\u301c\u5341\u6570\u4e07\u5186\u306eGPU\u8cb7\u3044\u66ff\u3048\u3092\u5148\u5ef6\u3070\u3057\u306b\u3067\u304d\u308b\u3001\u3068\u3044\u3046\u610f\u5473\u3067\u5f71\u97ff\u306e\u5927\u304d\u3044\u5bfe\u7b56\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001ComfyUI\u306eVRAM\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u30926\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u3051\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002FP8\u30fbGGUF\u91cf\u5b50\u5316\u306e\u5b9a\u91cf\u30c7\u30fc\u30bf\u304b\u3089\u30012026\u5e744\u6708\u73fe\u5728\u306e\u4e3b\u6d41\u3068\u306a\u3063\u305fDynamic VRAM\u3084Sage Attention\u3001CLIP\u30a2\u30f3\u30ed\u30fc\u30c9\u3084\u30bf\u30a4\u30ebVAE\u3068\u3044\u3063\u305f\u5b9f\u52d9\u30c6\u30af\u307e\u3067\u3001\u5177\u4f53\u7684\u306a\u624b\u9806\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30e2\u30c7\u30eb\u5225VRAM\u6d88\u8cbb\u306e\u76ee\u5b89\u3092\u77e5\u308b<\/h2>\n<p>ComfyUI\u306eVRAM\u6700\u9069\u5316\u3092\u59cb\u3081\u308b\u524d\u306b\u3001\u307e\u305a\u81ea\u5206\u304c\u4f7f\u3046\u30e2\u30c7\u30eb\u304c\u3069\u308c\u3060\u3051\u306eVRAM\u3092\u5fc5\u8981\u3068\u3059\u308b\u304b\u3092\u628a\u63e1\u3057\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n<h3>SD1.5\u30fbSDXL\u30fbFlux\u306e\u5fc5\u8981VRAM<\/h3>\n<p>\u753b\u50cf\u751f\u6210\u30e2\u30c7\u30eb\u306eVRAM\u6d88\u8cbb\u91cf\u306f\u3001\u30e2\u30c7\u30eb\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u6570\u3068\u7cbe\u5ea6\uff08FP16\uff0fFP32\uff09\u3067\u6c7a\u307e\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f512\u00d7512\uff08SD1.5\uff09\u307e\u305f\u306f1024\u00d71024\uff08SDXL\u30fbFlux\uff09\u30671\u679a\u751f\u6210\u3059\u308b\u5834\u5408\u306e\u76ee\u5b89\u3067\u3059\uff082026\u5e744\u6708\u73fe\u5728\u3001\u91cf\u5b50\u5316\u524d\u63d0\u306e\u6570\u5024\u3092\u542b\u307f\u307e\u3059\uff09\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30e2\u30c7\u30eb<\/th>\n<th>\u30d1\u30e9\u30e1\u30fc\u30bf\u6570<\/th>\n<th>FP16\u6642\u306eVRAM<\/th>\n<th>FP8\u6642\u306eVRAM<\/th>\n<th>\u63a8\u5968VRAM<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SD1.5<\/td>\n<td>\u7d048.6\u5104<\/td>\n<td>\u7d044GB<\/td>\n<td>\u7d042.5GB<\/td>\n<td>6GB\u4ee5\u4e0a<\/td>\n<\/tr>\n<tr>\n<td>SDXL<\/td>\n<td>\u7d0435\u5104<\/td>\n<td>\u7d047GB<\/td>\n<td>\u7d044.5GB<\/td>\n<td>8GB\u4ee5\u4e0a<\/td>\n<\/tr>\n<tr>\n<td>Flux Dev<\/td>\n<td>\u7d04120\u5104<\/td>\n<td>\u7d0424GB<\/td>\n<td>\u7d0412GB<\/td>\n<td>16GB\u4ee5\u4e0a<\/td>\n<\/tr>\n<tr>\n<td>Flux Dev\uff08GGUF Q5_K_S\uff09<\/td>\n<td>\u7d04120\u5104<\/td>\n<td>\uff1a<\/td>\n<td>\u7d046\u301c8GB<\/td>\n<td>8GB\u4ee5\u4e0a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Flux\u306fFP16\u306e\u307e\u307e\u3067\u306f24GB\u306eVRAM\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\uff08<a href=\"https:\/\/apatero.com\/blog\/flux-gguf-quantization-8gb-vram-guide-2026\">Apatero: FLUX GGUF Quantization Guide 2026<\/a>\uff09\u3002\u3057\u304b\u3057FP8\u91cf\u5b50\u5316\u3084GGUF\u3092\u6d3b\u7528\u3059\u308c\u3070\u30018GB\u306eGPU\u3067\u3082\u52d5\u4f5c\u53ef\u80fd\u3067\u3059\u3002\u30e2\u30c7\u30eb\u9078\u5b9a\u306e\u8a73\u7d30\u306f<a href=\"https:\/\/persc.jp\/blog\/comfyui-flux-model-guide\/\">Flux\u30e2\u30c7\u30eb\u5b8c\u5168\u30ac\u30a4\u30c9<\/a>\u3067\u6574\u7406\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u52d5\u753b\u30e2\u30c7\u30eb\uff08Wan2.2\u30fbHunyuanVideo\uff09\u306eVRAM\u76ee\u5b89<\/h3>\n<p>\u52d5\u753b\u751f\u6210\u30e2\u30c7\u30eb\u306f\u753b\u50cf\u751f\u6210\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u591a\u304f\u306eVRAM\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002\u30d5\u30ec\u30fc\u30e0\u6570\u3084\u89e3\u50cf\u5ea6\u306b\u3088\u3063\u3066\u6d88\u8cbb\u91cf\u304c\u5927\u304d\u304f\u5909\u308f\u308b\u70b9\u306b\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\uff082026\u5e744\u6708\u73fe\u5728\uff09\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30e2\u30c7\u30eb<\/th>\n<th>\u6a19\u6e96VRAM<\/th>\n<th>\u6700\u9069\u5316\u5f8c\u306eVRAM<\/th>\n<th>\u5099\u8003<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Wan2.2\uff085B\u30d1\u30e9\u30e1\u30fc\u30bf\uff09<\/td>\n<td>\u7d0416GB<\/td>\n<td>\u7d046\u301c8GB<\/td>\n<td>GGUF Q5\u30678GB\u52d5\u4f5c\u53ef<\/td>\n<\/tr>\n<tr>\n<td>Wan2.2\uff0814B\u30d1\u30e9\u30e1\u30fc\u30bf\uff09<\/td>\n<td>\u7d0465\u301c80GB<\/td>\n<td>\u7d0416\u301c24GB<\/td>\n<td>720p\u57fa\u6e96<\/td>\n<\/tr>\n<tr>\n<td>HunyuanVideo<\/td>\n<td>\u7d0424GB\u4ee5\u4e0a<\/td>\n<td>\u7d0412GB<\/td>\n<td>\u91cf\u5b50\u5316\uff0b\u30aa\u30d5\u30ed\u30fc\u30c9\u4f75\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5b9f\u52d9\u3067\u306f\u3001<a href=\"https:\/\/persc.jp\/blog\/comfyui-video-guide\/\">\u52d5\u753b\u751f\u6210\u3092\u672c\u683c\u7684\u306b\u884c\u3046\u5834\u5408<\/a>\u306f24GB\u4ee5\u4e0a\u306eVRAM\u3092\u5099\u3048\u305fGPU\u3092\u7528\u610f\u3059\u308b\u306e\u304c\u7406\u60f3\u7684\u3067\u3059\u3002\u305f\u3060\u3057\u4e0a\u306e\u8868\u306e\u3068\u304a\u308a\u3001\u91cf\u5b50\u5316\u3092\u4f7f\u3048\u307012\u301c16GB\u3067\u3082\u751f\u6210\u81ea\u4f53\u306f\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u624b\u5143\u306eGPU\u3067\u8a66\u3057\u3066\u307f\u3066\u3001\u901f\u5ea6\u3068\u54c1\u8cea\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u898b\u6975\u3081\u308b\u306e\u304c\u73fe\u5b9f\u7684\u306a\u9032\u3081\u65b9\u3067\u3059\u3002<\/p>\n<h2>FP8\u30fbGGUF\u91cf\u5b50\u5316\u3067VRAM\u3092\u534a\u5206\u4ee5\u4e0b\u306b\u6291\u3048\u308b<\/h2>\n<p>VRAM\u304c\u8db3\u308a\u306a\u3044\u3068\u304d\u3001\u6700\u3082\u52b9\u679c\u7684\u306a\u5bfe\u7b56\u304c\u30e2\u30c7\u30eb\u306e\u91cf\u5b50\u5316\u3067\u3059\u3002\u30e2\u30c7\u30eb\u306e\u91cd\u307f\u30c7\u30fc\u30bf\u306e\u7cbe\u5ea6\u3092\u4e0b\u3052\u308b\u3053\u3068\u3067\u3001\u54c1\u8cea\u3092\u307b\u307c\u7dad\u6301\u3057\u305f\u307e\u307eVRAM\u6d88\u8cbb\u3092\u5927\u5e45\u306b\u6e1b\u3089\u305b\u307e\u3059\u3002\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u3001\u5370\u5237\u7528\u306e\u9ad8\u89e3\u50cf\u5ea6\u5199\u771f\u30c7\u30fc\u30bf\u3092\u3001Web\u8868\u793a\u7528\u306b\u8efd\u3044JPEG\u306b\u5727\u7e2e\u3059\u308b\u4f5c\u696d\u306b\u8fd1\u3044\u3082\u306e\u3067\u3059\u3002\u898b\u305f\u76ee\u3067\u306f\u307b\u307c\u9055\u3044\u304c\u308f\u304b\u3089\u306a\u3044\u307e\u307e\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3060\u3051\u304c\u5927\u304d\u304f\u6e1b\u308a\u307e\u3059\u3002<\/p>\n<h3>FP8\u91cf\u5b50\u5316\u306e\u4ed5\u7d44\u307f\u3068\u52b9\u679c<\/h3>\n<p>FP8\uff088\u30d3\u30c3\u30c8\u6d6e\u52d5\u5c0f\u6570\u70b9\uff09\u306f\u3001\u901a\u5e38\u306eFP16\uff0816\u30d3\u30c3\u30c8\uff09\u306e\u534a\u5206\u306e\u30e1\u30e2\u30ea\u3067\u91cd\u307f\u3092\u4fdd\u6301\u3067\u304d\u308b\u5f62\u5f0f\u3067\u3059\u3002ComfyUI\u3067\u306f\u300cfp8_e4m3fn\u300d\u3068\u300cfp8_e5m2\u300d\u306e2\u5f62\u5f0f\u304c\u5229\u7528\u3067\u304d\u3001\u524d\u8005\u306f\u7cbe\u5ea6\u5bc4\u308a\u3001\u5f8c\u8005\u306f\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30b8\u5bc4\u308a\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u3067\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>FP8\u306e\u5b9a\u91cf\u52b9\u679c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\uff082026\u5e744\u6708\u73fe\u5728\uff09\u3002<\/p>\n<ul>\n<li>VRAM\u6d88\u8cbb\u3092FP16\u6bd4\u3067\u7d0440\u301c50%\u524a\u6e1b<\/li>\n<li>RTX 40\u30b7\u30ea\u30fc\u30ba\u4ee5\u964d\u3067FP16\u6bd4\u7d041.6\u500d\u306e\u63a8\u8ad6\u9ad8\u901f\u5316\uff08<a href=\"https:\/\/blog.comfy.org\/p\/dynamic-vram-in-comfyui-saving-local\">blog.comfy.org: Dynamic VRAM<\/a>\uff09<\/li>\n<li>\u753b\u8cea\u52a3\u5316\u306f\u307b\u307c\u76ee\u8996\u3067\u5224\u5225\u4e0d\u53ef\u80fd\u306a\u30ec\u30d9\u30eb<\/li>\n<\/ul>\n<p>Flux Dev\u3092FP8\u3067\u52d5\u304b\u3057\u305f\u5834\u5408\u3067\u3082FP16\u7248\u3068\u4f53\u611f\u5dee\u306f\u307b\u307c\u306a\u304f\u30018GB GPU\u30e6\u30fc\u30b6\u30fc\u304c\u307e\u305a\u8a66\u3059\u3079\u304d\u6700\u9069\u5316\u624b\u6cd5\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002Dynamic VRAM\uff08\u5f8c\u8ff0\uff09\u3068\u7d44\u307f\u5408\u308f\u305b\u308c\u3070\u3001RTX 4060\uff088GB\uff09\u3067\u672c\u676520\u301c30GB\u304c\u5fc5\u8981\u3068\u3055\u308c\u308b\u30e2\u30c7\u30eb\u3067\u3082\u52d5\u4f5c\u3059\u308b\u3068\u3044\u3046\u5831\u544a\u3082\u6d77\u5916\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304b\u3089\u51fa\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>FP8\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u306e\u4f7f\u3044\u65b9<\/h3>\n<p>FP8\u91cf\u5b50\u5316\u6e08\u307f\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\uff08\u5b66\u7fd2\u6e08\u307f\u30e2\u30c7\u30eb\u672c\u4f53\u306e\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\uff09\u3092ComfyUI\u3067\u4f7f\u3046\u65b9\u6cd5\u306f2\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u65b9\u6cd51: FP8\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u3092\u76f4\u63a5\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<\/strong><\/p>\n<p>Civitai\u3084Hugging Face\u306b\u306f\u3001\u3042\u3089\u304b\u3058\u3081FP8\u306b\u5909\u63db\u3055\u308c\u305f\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u540d\u306b\u300cfp8\u300d\u3068\u542b\u307e\u308c\u308b\u3082\u306e\u3092\u9078\u3093\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3001ComfyUI\u306e <code>models\/checkpoints<\/code> \u30d5\u30a9\u30eb\u30c0\u306b\u914d\u7f6e\u3059\u308b\u3060\u3051\u3067\u4f7f\u3048\u307e\u3059\u3002<\/p>\n<p><strong>\u65b9\u6cd52: ComfyUI\u4e0a\u3067FP8\u306b\u5909\u63db\u3059\u308b<\/strong><\/p>\n<p>ComfyUI-ModelQuantizer\u306a\u3069\u306e\u30ab\u30b9\u30bf\u30e0\u30ce\u30fc\u30c9\u3092\u4f7f\u3048\u3070\u3001\u65e2\u5b58\u306eFP16\u30e2\u30c7\u30eb\u3092FP8\u306b\u5909\u63db\u3067\u304d\u307e\u3059\u3002Load Checkpoint\u30ce\u30fc\u30c9\u3067\u8aad\u307f\u8fbc\u3093\u3060\u30e2\u30c7\u30eb\u3092\u3001Quantize Model Scaled\u30ce\u30fc\u30c9\u306b\u63a5\u7d9a\u3059\u308b\u3060\u3051\u3067\u5909\u63db\u304c\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<h3>GGUF\u91cf\u5b50\u5316\u3068\u3044\u3046\u9078\u629e\u80a2<\/h3>\n<p>FP8\u3088\u308a\u3082\u3055\u3089\u306bVRAM\u3092\u7bc0\u7d04\u3057\u305f\u3044\u5834\u5408\u306f\u3001GGUF\u5f62\u5f0f\u306e\u91cf\u5b50\u5316\u30e2\u30c7\u30eb\u304c\u6709\u52b9\u3067\u3059\u3002GGUF\u306f\u6bb5\u968e\u7684\u306a\u5727\u7e2e\u30ec\u30d9\u30eb\u3092\u9078\u3079\u308b\u305f\u3081\u3001VRAM\u3068\u54c1\u8cea\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u7d30\u304b\u304f\u8abf\u6574\u3067\u304d\u307e\u3059\u3002\u7279\u306bDiT\uff0fTransformer\u7cfb\u30e2\u30c7\u30eb\uff08Flux\u30fbSD3\u7b49\uff09\u3067\u306f\u91cf\u5b50\u5316\u8010\u6027\u304c\u9ad8\u304f\u3001\u6d77\u5916\u306e\u5b9f\u52d9\u30e6\u30fc\u30b6\u30fc\u306e\u9593\u3067\u6a19\u6e96\u7684\u306a\u9078\u629e\u80a2\u3068\u3057\u3066\u5b9a\u7740\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Flux Dev\u306eGGUF\u91cf\u5b50\u5316\u30ec\u30d9\u30eb\u5225\u306eVRAM\u6d88\u8cbb\u76ee\u5b89\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\uff082026\u5e744\u6708\u73fe\u5728\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u307b\u307cVRAM\u6d88\u8cbb\u306b\u7b49\u3057\u3044\u3068\u3044\u3046\u7d4c\u9a13\u5247\u306b\u57fa\u3065\u304d\u307e\u3059\uff09\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u91cf\u5b50\u5316\u30ec\u30d9\u30eb<\/th>\n<th>VRAM\u6d88\u8cbb\u76ee\u5b89<\/th>\n<th>\u54c1\u8cea\u30fb\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Q8<\/td>\n<td>\u7d0412\u301c13GB<\/td>\n<td>FP16\u306b\u8fd1\u3044\u54c1\u8cea\u300112GB\u4ee5\u4e0a\u306eGPU\u5411\u3051<\/td>\n<\/tr>\n<tr>\n<td>Q5_K_S<\/td>\n<td>\u7d046\u301c8GB<\/td>\n<td>8GB GPU\u3067\u306e\u5b9f\u8cea\u7684\u306a\u6a19\u6e96\u3001\u54c1\u8cea\u30d0\u30e9\u30f3\u30b9\u826f\u597d<\/td>\n<\/tr>\n<tr>\n<td>Q4_K_S<\/td>\n<td>\u7d044\u301c6GB<\/td>\n<td>\u6700\u5c0fVRAM\u3001\u7d30\u90e8\u3067\u3084\u3084\u52a3\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>GGUF\u3092\u4f7f\u3046\u306b\u306f\u3001city96\u6c0f\u306e<a href=\"https:\/\/github.com\/city96\/ComfyUI-GGUF\">ComfyUI-GGUF<\/a>\u62e1\u5f35\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u30a8\u30f3\u30b3\u30fc\u30c0\u30fc\uff08T5-XXL\uff09\u306b\u3082FP8\u7248\u3084GGUF\u7248\u3092\u4f7f\u3046\u3068\u3001\u3055\u3089\u306b1\u301c2GB\u306e\u7bc0\u7d04\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u8d77\u52d5\u30aa\u30d7\u30b7\u30e7\u30f3\u3068Dynamic VRAM\u3067\u4f7f\u7528\u91cf\u3092\u5236\u5fa1\u3059\u308b<\/h2>\n<p>ComfyUI\u306b\u306f\u3001VRAM\u306e\u4f7f\u3044\u65b9\u3092\u5236\u5fa1\u3059\u308b2\u7cfb\u7d71\u306e\u4ed5\u7d44\u307f\u304c\u3042\u308a\u307e\u3059\u3002\u673a\u306e\u4e0a\u304c\u6563\u3089\u304b\u3063\u3066\u304d\u305f\u3068\u304d\u306b\u3001\u4f7f\u3063\u3066\u3044\u306a\u3044\u66f8\u985e\u3092\u81ea\u52d5\u3067\u68da\u306b\u623b\u3057\u3066\u304f\u308c\u308b\u52a9\u624b\u304c\u3044\u308b\u72b6\u614b\u306b\u4f3c\u3066\u3044\u3066\u3001Dynamic VRAM\u304c\u305d\u306e\u81ea\u52d5\u6574\u7406\u3092\u62c5\u3044\u3001\u8db3\u308a\u306a\u3044\u3068\u304d\u3060\u3051\u624b\u52d5\u3067CLI\u30d5\u30e9\u30b0\u3092\u8ffd\u52a0\u3059\u308b\u306e\u304c2026\u5e744\u6708\u73fe\u5728\u306e\u57fa\u672c\u69cb\u6210\u3067\u3059\u3002<\/p>\n<h3>Dynamic VRAM\u306f2025\u5e74\u5f8c\u534a\u304b\u3089\u30c7\u30d5\u30a9\u30eb\u30c8\u6709\u52b9<\/h3>\n<p>Dynamic VRAM\u306f\u3001\u30e2\u30c7\u30eb\u306e\u91cd\u307f\u3092GPU\u3068CPU\uff08\u30b7\u30b9\u30c6\u30e0RAM\uff09\u306e\u9593\u3067\u52d5\u7684\u306b\u3084\u308a\u53d6\u308a\u3059\u308b\u30ab\u30b9\u30bf\u30e0PyTorch\u30a2\u30ed\u30b1\u30fc\u30bf\u3067\u3059\u3002\u4f7f\u308f\u306a\u3044\u30e2\u30c7\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u81ea\u52d5\u7684\u306b\u30b7\u30b9\u30c6\u30e0RAM\u3078\u9000\u907f\u3055\u305b\u308b\u305f\u3081\u3001\u8907\u6570\u30e2\u30c7\u30eb\u306e\u5207\u308a\u66ff\u3048\u3067\u3082OOM\u304c\u767a\u751f\u3057\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>2025\u5e74\u5f8c\u534a\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u4ee5\u964d\u3001NVIDIA\u74b0\u5883\u306eWindows\uff0fLinux\u3067<strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u6709\u52b9<\/strong>\u3068\u306a\u3063\u3066\u304a\u308a\uff08<a href=\"https:\/\/github.com\/Comfy-Org\/ComfyUI\/discussions\/12699\">Comfy-Org Discussion #12699<\/a>\uff09\u3001\u30e6\u30fc\u30b6\u30fc\u5074\u306e\u8ffd\u52a0\u8a2d\u5b9a\u306f\u539f\u5247\u4e0d\u8981\u3067\u3059\u3002\u6700\u65b0\u7248ComfyUI\u3092\u4f7f\u3063\u3066\u3044\u308c\u3070\u3001\u3053\u306e\u571f\u53f0\u306e\u4e0a\u3067FP8\u3084GGUF\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u52d5\u304f\u5f62\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3042\u308f\u305b\u3066<strong>Pinned Memory\uff08\u30d4\u30f3\u7559\u3081\u30e1\u30e2\u30ea\uff09<\/strong>\u3082\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0RAM\u306e\u30da\u30fc\u30b8\u3092\u30c7\u30a3\u30b9\u30af\u30b9\u30ef\u30c3\u30d7\u304b\u3089\u4fdd\u8b77\u3057\u3001\u30e2\u30c7\u30eb\u8aad\u307f\u8fbc\u307f\u6642\u306e\u9045\u5ef6\u3092\u6e1b\u3089\u3059\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<h3>&#8211;lowvram\uff0f&#8211;novram\uff0f&#8211;reserve-vram\u306e\u4f7f\u3044\u5206\u3051<\/h3>\n<p>Dynamic VRAM\u3060\u3051\u3067\u3082\u591a\u304f\u306e\u30b1\u30fc\u30b9\u3067\u8db3\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u3067\u3082OOM\u304c\u51fa\u308b\u5834\u5408\u306fCLI\u30d5\u30e9\u30b0\u3067\u624b\u52d5\u5236\u5fa1\u3057\u307e\u3059\u3002ComfyUI\u306e\u8d77\u52d5\u6642\u306b\u8ffd\u52a0\u3067\u304d\u308b\u4e3b\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\uff082026\u5e744\u6708\u73fe\u5728\uff09\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30aa\u30d7\u30b7\u30e7\u30f3<\/th>\n<th>\u52d5\u4f5c<\/th>\n<th>\u5411\u3044\u3066\u3044\u308b\u74b0\u5883<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uff08\u6307\u5b9a\u306a\u3057\uff09<\/td>\n<td>Dynamic VRAM\u3067\u81ea\u52d5\u7ba1\u7406<\/td>\n<td>12GB\u4ee5\u4e0a\u306eGPU<\/td>\n<\/tr>\n<tr>\n<td><code>--highvram<\/code><\/td>\n<td>\u30e2\u30c7\u30eb\u3092\u5e38\u6642VRAM\u5e38\u99d0<\/td>\n<td>24GB\u4ee5\u4e0a\u306eGPU<\/td>\n<\/tr>\n<tr>\n<td><code>--lowvram<\/code><\/td>\n<td>UNet\u3092\u30d1\u30fc\u30c4\u5206\u5272\u3057\u3066VRAM\u4f7f\u7528\u91cf\u3092\u524a\u6e1b<\/td>\n<td>6\u301c8GB\u306eGPU<\/td>\n<\/tr>\n<tr>\n<td><code>--novram<\/code><\/td>\n<td>\u30e2\u30c7\u30eb\u3092CPU\u5074\u306b\u914d\u7f6e\u3057\u3001\u5fc5\u8981\u306a\u90e8\u5206\u3060\u3051GPU\u3078\u8ee2\u9001<\/td>\n<td>4\u301c6GB\u306eGPU<\/td>\n<\/tr>\n<tr>\n<td><code>--cpu<\/code><\/td>\n<td>GPU\u3092\u4f7f\u308f\u305aCPU\u306e\u307f\u3067\u63a8\u8ad6<\/td>\n<td>GPU\u975e\u642d\u8f09\u306e\u74b0\u5883<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><code>--lowvram<\/code>\u306f\u751f\u6210\u901f\u5ea6\u304c20\u301c40%\u4f4e\u4e0b\u3057\u307e\u3059\u304c\u3001OOM\u30a8\u30e9\u30fc\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<code>--novram<\/code>\u306f\u3055\u3089\u306b\u9045\u304f\u306a\u308b\u3082\u306e\u306e\u30014GB\u306eGPU\u3067\u3082\u52d5\u4f5c\u3055\u305b\u3089\u308c\u308b\u6700\u7d42\u624b\u6bb5\u3067\u3059\uff08<a href=\"https:\/\/apatero.com\/blog\/vram-optimization-flags-comfyui-explained-guide-2025\">Apatero: VRAM Optimization Flags Guide<\/a>\uff09\u3002<\/p>\n<p>\u4f7f\u3044\u65b9\u306f\u3001ComfyUI\u306e\u8d77\u52d5\u30b3\u30de\u30f3\u30c9\u306b\u5f15\u6570\u3092\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<pre><code>python main.py --lowvram\n<\/code><\/pre>\n<p>\u30d6\u30e9\u30a6\u30b6\u3084\u52d5\u753b\u7de8\u96c6\u30bd\u30d5\u30c8\u3068\u540c\u6642\u306bComfyUI\u3092\u4f7f\u3046\u5834\u5408\u3001<code>--reserve-vram<\/code>\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002\u6307\u5b9a\u3057\u305fGB\u5206\u306eVRAM\u3092OS\u30fb\u4ed6\u30a2\u30d7\u30ea\u7528\u306b\u78ba\u4fdd\u3057\u3001\u6b8b\u308a\u3092ComfyUI\u304c\u4f7f\u3044\u307e\u3059\u3002<\/p>\n<pre><code>python main.py --reserve-vram 2.0\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f2GB\u3092\u30b7\u30b9\u30c6\u30e0\u7528\u306b\u4e88\u7d04\u3057\u307e\u3059\u30028GB\u306eGPU\u306a\u3089\u3001ComfyUI\u306f\u6b8b\u308a\u306e\u7d046GB\u3092\u4f7f\u3063\u3066\u52d5\u4f5c\u3057\u307e\u3059\u3002\u696d\u52d9\u7528PC\u3067\u753b\u50cf\u751f\u6210\u3068\u4ed6\u30a2\u30d7\u30ea\u3092\u4e26\u884c\u3057\u3066\u4f7f\u3046\u65b9\u306b\u306f\u5fc5\u9808\u306e\u6307\u5b9a\u3067\u3059\u3002<\/p>\n<h3>Async Offload\u3068torch.compile\u4f75\u7528\u6642\u306e\u6ce8\u610f<\/h3>\n<p>Async Offload\uff08\u975e\u540c\u671f\u30aa\u30d5\u30ed\u30fc\u30c9\uff09\u306f\u3001\u30e2\u30c7\u30eb\u30c7\u30fc\u30bf\u306e\u8ee2\u9001\u3092\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u51e6\u7406\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002GPU\u304c\u63a8\u8ad6\u8a08\u7b97\u3092\u3057\u3066\u3044\u308b\u9593\u306b\u6b21\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u4e26\u884c\u3057\u3066\u884c\u3046\u305f\u3081\u3001\u5168NVIDIA GPU\u306710\u301c50%\u306e\u901f\u5ea6\u5411\u4e0a\u304c\u898b\u8fbc\u3081\u307e\u3059\u3002Intel XPU\u306a\u3069\u306b\u3082\u5bfe\u5fdc\u304c\u5e83\u304c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057torch.compile\u3068\u4f75\u7528\u3057\u305f\u969b\u306e\u4e92\u63db\u554f\u984c\u304c\u5831\u544a\u3055\u308c\u3066\u304a\u308a\uff08<a href=\"https:\/\/github.com\/Comfy-Org\/ComfyUI\">Issue #10957<\/a>\u7cfb\u306e\u8b70\u8ad6\uff09\u3001\u4e21\u8005\u3092\u540c\u6642\u306b\u6709\u52b9\u5316\u3059\u308b\u5834\u5408\u306f\u6700\u65b0\u7248\u306eChangelog\u3067\u4fee\u6b63\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304f\u3068\u5b89\u5fc3\u3067\u3059\u3002<\/p>\n<h3>CLIP\u30c6\u30ad\u30b9\u30c8\u30a8\u30f3\u30b3\u30fc\u30c0\u3092\u30a2\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u7bc0\u7d04<\/h3>\n<p>Flux\u7cfb\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3067\u306f\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u57cb\u3081\u8fbc\u307f\u3078\u5909\u63db\u3059\u308bCLIP\uff0fT5\u30c6\u30ad\u30b9\u30c8\u30a8\u30f3\u30b3\u30fc\u30c0\uff08\u6587\u5b57\u5217\u3092\u6570\u5024\u306b\u5909\u63db\u3059\u308b\u90e8\u5206\uff09\u3060\u3051\u3067\u6570GB\u306eVRAM\u3092\u4f7f\u3044\u307e\u3059\u3002\u57cb\u3081\u8fbc\u307f\u3092\u53d6\u5f97\u3057\u305f\u5f8c\u306b\u3053\u306e\u30a8\u30f3\u30b3\u30fc\u30c0\u3092VRAM\u304b\u3089\u89e3\u653e\u3059\u308b\u3060\u3051\u3067\u3001\u30e1\u30a4\u30f3\u306eUNet\uff0fDiT\u63a8\u8ad6\u306b\u4f7f\u3048\u308b\u9818\u57df\u304c\u5e83\u304c\u308a\u307e\u3059\u3002<\/p>\n<p>\u5b9a\u756a\u30ab\u30b9\u30bf\u30e0\u30ce\u30fc\u30c9\u306f<a href=\"https:\/\/github.com\/SeanScripts\/ComfyUI-Unload-Model\">ComfyUI-Unload-Model<\/a>\u3067\u3001Text Encode\u306e\u5f8c\u6bb5\u306bUnload\u30ce\u30fc\u30c9\u3092\u631f\u3080\u3060\u3051\u3067\u9069\u7528\u3067\u304d\u307e\u3059\u30028GB\u74b0\u5883\u3067Flux\u3092\u52d5\u304b\u3059\u969b\u306b\u306f\u307b\u307c\u5fc5\u9808\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3067\u3059\u3002<\/p>\n<h2>xformers\u30fbtorch.compile\u30fbSage Attention\u3067\u52b9\u7387\u5316\u3059\u308b<\/h2>\n<p>VRAM\u306e\u300c\u91cf\u300d\u3060\u3051\u3067\u306a\u304f\u300c\u4f7f\u3044\u65b9\u306e\u52b9\u7387\u300d\u3092\u6539\u5584\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3082\u5927\u5207\u3067\u3059\u3002<\/p>\n<h3>xformers\u306e\u5c0e\u5165\u3068\u52b9\u679c<\/h3>\n<p>xformers\u306fMeta\u793e\u304c\u958b\u767a\u3057\u305f\u30e1\u30e2\u30ea\u52b9\u7387\u306e\u9ad8\u3044\u30a2\u30c6\u30f3\u30b7\u30e7\u30f3\u6a5f\u69cb\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002\u6a19\u6e96\u306e\u30a2\u30c6\u30f3\u30b7\u30e7\u30f3\u8a08\u7b97\u3067\u306fVRAM\u3092O(n\u00b2)\u3067\u6d88\u8cbb\u3057\u307e\u3059\u304c\u3001xformers\u306f\u30c1\u30e3\u30f3\u30af\u51e6\u7406\u306b\u3088\u3063\u3066\u3053\u308c\u3092\u307b\u307c\u7dda\u5f62\u306b\u6291\u3048\u307e\u3059\u3002<\/p>\n<p>\u6d77\u5916\u306e\u8907\u6570\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u8a18\u4e8b\u3067\u306f\u3001xformers\u306e\u5c0e\u5165\u3067\u4ee5\u4e0b\u306e\u52b9\u679c\u304c\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>VRAM\u6d88\u8cbb\u309215\u301c25%\u524a\u6e1b\uff081024\u00d71024\u306e\u30a2\u30c6\u30f3\u30b7\u30e7\u30f3\u90e8\u5206\u304c16GB\u304b\u3089\u7d044GB\u3078\uff09<\/li>\n<li>\u751f\u6210\u901f\u5ea6\u304c15\u301c25%\u5411\u4e0a<\/li>\n<li>\u7279\u306bSDXL\u4ee5\u4e0a\u306e\u9ad8\u89e3\u50cf\u5ea6\u30e2\u30c7\u30eb\u3067\u52b9\u679c\u5927<\/li>\n<\/ul>\n<p>\u5c0e\u5165\u306fpip\u30b3\u30de\u30f3\u30c91\u884c\u3067\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<pre><code>pip install xformers\n<\/code><\/pre>\n<p>ComfyUI\u306f\u8d77\u52d5\u6642\u306bxformers\u3092\u81ea\u52d5\u691c\u51fa\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002\u305f\u3060\u3057PyTorch\u3068CUDA\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u306e\u4e92\u63db\u6027\u306b\u306f\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d0\u30fc\u30b8\u30e7\u30f3\u4e0d\u6574\u5408\u3067\u8d77\u52d5\u3057\u306a\u304f\u306a\u308b\u4e8b\u6545\u304c\u4e00\u5b9a\u6570\u3042\u308b\u305f\u3081\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u524d\u306bPyTorch\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3057\u3066\u304a\u304f\u3068\u5b89\u5168\u3067\u3059\u3002<\/p>\n<h3>torch.compile\u306b\u3088\u308b\u6700\u9069\u5316<\/h3>\n<p>PyTorch 2.0\u4ee5\u964d\u306b\u642d\u8f09\u3055\u308c\u305ftorch.compile\u306f\u3001\u63a8\u8ad6\u30b0\u30e9\u30d5\u3092\u6700\u9069\u5316\u3057\u3066\u5b9f\u884c\u901f\u5ea6\u3092\u9ad8\u3081\u308b\u6a5f\u80fd\u3067\u3059\u3002xformers\u3068\u4f3c\u305f\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u304c\u3001PyTorch\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u6a5f\u80fd\u306a\u306e\u3067\u4e92\u63db\u6027\u306e\u554f\u984c\u304c\u8d77\u304d\u306b\u304f\u3044\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>torch.compile\u306fxformers\u3068\u540c\u7b49\u304b\u3084\u3084\u4e0a\u56de\u308b\u901f\u5ea6\u6539\u5584\u3092\u5f97\u3089\u308c\u308b\u5834\u9762\u304c\u591a\u3044\u3067\u3059\u3002\u305f\u3060\u3057\u30e2\u30c7\u30eb\u69cb\u9020\u306b\u3088\u3063\u3066\u306f\u30b0\u30e9\u30d5\u30d6\u30ec\u30fc\u30af\uff08\u6700\u9069\u5316\u306e\u4e2d\u65ad\uff09\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u6700\u65b0\u306ePyTorch\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u3053\u306e\u554f\u984c\u306f\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3>Sage Attention\u306f2026\u5e744\u6708\u73fe\u5728\u306e\u4e3b\u6d41<\/h3>\n<p>\u6d77\u5916\u306eComfyUI\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3067\u306f\u30012026\u5e744\u6708\u73fe\u5728<strong>Sage Attention<\/strong>\u304cxformers\u3068\u4e26\u3076\u4e3b\u6d41\u306e\u9ad8\u901f\u5316\u624b\u6bb5\u3068\u3057\u3066\u78ba\u7acb\u3057\u3066\u3044\u307e\u3059\u3002INT8\u91cf\u5b50\u5316\u3092\u30a2\u30c6\u30f3\u30b7\u30e7\u30f3\u8a08\u7b97\u5185\u90e8\u306b\u9069\u7528\u3059\u308b\u5b9f\u88c5\u3067\u3001\u30e1\u30e2\u30ea\u52b9\u7387\u3068\u901f\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u306b\u512a\u308c\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b<a href=\"https:\/\/github.com\/kijai\/ComfyUI-WanVideoWrapper\/issues\/1381\">ComfyUI-WanVideoWrapper #1381<\/a>\u3067\u5831\u544a\u3055\u308c\u3066\u3044\u308b\u3068\u304a\u308a\u3001torch.compile\u3068\u306e\u7d71\u5408\u3082\u3059\u3067\u306b\u52d5\u4f5c\u3057\u3066\u304a\u308a\u3001\u300ctorch.compile \u00d7 Sage Attention\u300d\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u52d5\u753b\u30e2\u30c7\u30eb\u7cfb\u3067\u9ad8\u3044\u8a55\u4fa1\u3092\u5f97\u3066\u3044\u307e\u3059\u3002\u63a8\u5968\u512a\u5148\u9806\u4f4d\u3068\u3057\u3066\u306f\u30012026\u5e744\u6708\u73fe\u5728\u306f\u300cSage Attention \u2192 torch.compile \u2192 xformers\u300d\u306e\u9806\u3067\u8a66\u3059\u306e\u304c\u73fe\u5b9f\u7684\u306a\u9078\u629e\u3067\u3059\u3002<\/p>\n<p><a href=\"https:\/\/persc.jp\/blog\/comfyui-pc-specs-vram\/\">ComfyUI\u306b\u5fc5\u8981\u306aPC\u30b9\u30da\u30c3\u30af\uff5cVRAM\u30fb\u30e1\u30e2\u30ea\u306e\u76ee\u5b89\u3092\u6574\u7406<\/a>\u3082\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3057\u3066\u304a\u304f\u3068\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u4e21\u9762\u304b\u3089\u74b0\u5883\u3092\u56fa\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u30fb\u89e3\u50cf\u5ea6\u30fb\u30bf\u30a4\u30ebVAE\u3092\u8abf\u6574\u3059\u308b<\/h2>\n<p>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u8a2d\u5b9a\u3060\u3051\u3067\u306a\u304f\u3001\u751f\u6210\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8abf\u6574\u3082VRAM\u6700\u9069\u5316\u306b\u304a\u3044\u3066\u5927\u5207\u306a\u8981\u7d20\u3067\u3059\u3002\u30c7\u30b8\u30ab\u30e1\u306e\u753b\u7d20\u6570\u3068\u30e1\u30e2\u30ea\u5bb9\u91cf\u306e\u95a2\u4fc2\u306b\u4f3c\u3066\u3044\u3066\u3001\u5927\u304d\u306a\u30b5\u30a4\u30ba\u3067\u64ae\u308b\u307b\u30691\u679a\u3042\u305f\u308a\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u91cd\u304f\u306a\u308b\u3088\u3046\u306b\u3001\u9ad8\u89e3\u50cf\u5ea6\u30fb\u5927\u30d0\u30c3\u30c1\u306b\u306a\u308b\u307b\u3069VRAM\u3078\u306e\u8ca0\u62c5\u304c\u4e00\u6c17\u306b\u8df3\u306d\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p>\n<h3>\u89e3\u50cf\u5ea6\u3068VRAM\u6d88\u8cbb\u306e\u95a2\u4fc2<\/h3>\n<p>\u89e3\u50cf\u5ea6\u30922\u500d\u306b\u3059\u308b\u3068\u3001VRAM\u306e\u6d88\u8cbb\u91cf\u306f\u304a\u3088\u305d4\u500d\u306b\u5897\u3048\u307e\u3059\u3002\u3053\u306e\u975e\u7dda\u5f62\u306a\u95a2\u4fc2\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u3068\u3001OOM\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u7d20\u65e9\u304f\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>SDXL\u3092\u4f8b\u306b\u3057\u305f\u89e3\u50cf\u5ea6\u5225\u306eVRAM\u6d88\u8cbb\u76ee\u5b89\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\uff082026\u5e744\u6708\u73fe\u5728\uff09\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u89e3\u50cf\u5ea6<\/th>\n<th>VRAM\u6d88\u8cbb\uff08FP16\uff09<\/th>\n<th>VRAM\u6d88\u8cbb\uff08FP8\uff09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>512\u00d7512<\/td>\n<td>\u7d044GB<\/td>\n<td>\u7d042.5GB<\/td>\n<\/tr>\n<tr>\n<td>768\u00d7768<\/td>\n<td>\u7d045.5GB<\/td>\n<td>\u7d043.5GB<\/td>\n<\/tr>\n<tr>\n<td>1024\u00d71024<\/td>\n<td>\u7d047GB<\/td>\n<td>\u7d044.5GB<\/td>\n<\/tr>\n<tr>\n<td>1536\u00d71536<\/td>\n<td>\u7d0412GB<\/td>\n<td>\u7d047.5GB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>8GB\u306eGPU\u3067SDXL\u3092\u4f7f\u3046\u306a\u3089\u3001FP8\u91cf\u5b50\u5316\u30681024\u00d71024\u4ee5\u4e0b\u306e\u89e3\u50cf\u5ea6\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u306e\u304c\u73fe\u5b9f\u7684\u306a\u9078\u3073\u65b9\u3067\u3059\u3002<\/p>\n<h3>\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u306e\u6700\u9069\u5024\u3092\u63a2\u308b<\/h3>\n<p>\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u3068\u306f\u3001\u4e00\u5ea6\u306b\u751f\u6210\u3059\u308b\u753b\u50cf\u306e\u679a\u6570\u3067\u3059\u3002\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u3092\u5897\u3084\u3059\u30681\u679a\u3042\u305f\u308a\u306e\u751f\u6210\u6642\u9593\u306f\u77ed\u7e2e\u3067\u304d\u307e\u3059\u304c\u3001VRAM\u306e\u6d88\u8cbb\u306f\u6bd4\u4f8b\u3057\u3066\u5897\u3048\u307e\u3059\u3002<\/p>\n<p>VRAM\u5bb9\u91cf\u5225\u306e\u63a8\u5968\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>8GB<\/strong>: \u30d0\u30c3\u30c1\u30b5\u30a4\u30ba1\u304c\u57fa\u672c\u3002\u8907\u6570\u679a\u306f\u300c\u751f\u6210\u30dc\u30bf\u30f3\u306e\u7e70\u308a\u8fd4\u3057\u300d\u3067\u5bfe\u5fdc<\/li>\n<li><strong>12GB<\/strong>: \u30d0\u30c3\u30c1\u30b5\u30a4\u30ba2\u307e\u3067\uff08SDXL\u306e\u5834\u5408\uff09<\/li>\n<li><strong>24GB<\/strong>: \u30d0\u30c3\u30c1\u30b5\u30a4\u30ba4\u307e\u3067\u5feb\u9069\u306b\u52d5\u4f5c<\/li>\n<\/ul>\n<p>VRAM\u306b\u4f59\u88d5\u304c\u306a\u3044\u3068\u304d\u306f\u3001\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba1\u3067\u751f\u6210\u3092\u7e70\u308a\u8fd4\u3059\u65b9\u6cd5\u304c\u5b89\u5168\u3067\u3059\u3002OOM\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3068\u751f\u6210\u304c\u3059\u3079\u3066\u5931\u6557\u3059\u308b\u305f\u3081\u3001\u7121\u7406\u306b\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u3092\u4e0a\u3052\u308b\u30e1\u30ea\u30c3\u30c8\u306f\u307b\u307c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u30bf\u30a4\u30ebVAE\u30c7\u30b3\u30fc\u30c9\u3067\u51fa\u529b\u6bb5\u968e\u306eVRAM\u3092\u7bc0\u7d04<\/h3>\n<p>\u753b\u50cf\u751f\u6210\u306e\u6700\u7d42\u6bb5\u968e\u3067\u3042\u308bVAE\u30c7\u30b3\u30fc\u30c9\u306f\u3001\u89e3\u50cf\u5ea6\u304c\u9ad8\u304f\u306a\u308b\u307b\u3069\u77ac\u9593\u7684\u306bVRAM\u3092\u5927\u304d\u304f\u6d88\u8cbb\u3057\u307e\u3059\u30028GB\u74b0\u5883\u3067\u306f\u3001UNet\uff0fDiT\u63a8\u8ad6\u306f\u901a\u3063\u3066\u3082\u6700\u5f8c\u306eVAE\u30c7\u30b3\u30fc\u30c9\u3067OOM\u304c\u51fa\u308b\u30b1\u30fc\u30b9\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u300c\u751f\u6210\u304c\u307b\u307c\u7d42\u308f\u3063\u305f\u306e\u306b\u6700\u5f8c\u306e\u4e00\u6b69\u3067\u5931\u6557\u3059\u308b\u300d\u3068\u3044\u3046\u3001\u3082\u3063\u3068\u3082\u6b8b\u5ff5\u306a\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n<p>\u5bfe\u7b56\u304c<strong>\u30bf\u30a4\u30ebVAE\u30c7\u30b3\u30fc\u30c9<\/strong>\u3067\u3059\u3002\u753b\u50cf\u3092\u30bf\u30a4\u30eb\u72b6\u306b\u5206\u5272\u3057\u3066\u9806\u6b21\u30c7\u30b3\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u3001\u77ac\u9593VRAM\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\uff08<a href=\"https:\/\/www.nextdiffusion.ai\/tutorials\/how-to-run-flux-dev-gguf-in-comfyui-low-vram-guide\">Next Diffusion: Flux Dev GGUF Low VRAM Guide<\/a>\uff09\u3002ComfyUI\u6a19\u6e96\u306eVAE Decode (Tiled)\u30ce\u30fc\u30c9\u306b\u5dee\u3057\u66ff\u3048\u308b\u3060\u3051\u3067\u9069\u7528\u3067\u304d\u30018GB VRAM\u74b0\u5883\u3067\u306e\u751f\u6210\u3067\u306f\u307b\u307c\u5fc5\u9808\u306e\u624b\u6cd5\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>ComfyUI\u306eVRAM\u6700\u9069\u5316\u306f\u3001\u8907\u6570\u306e\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002\u3053\u3053\u307e\u3067\u7d39\u4ecb\u3057\u305f\u624b\u6cd5\u3092\u512a\u5148\u5ea6\u306e\u9ad8\u3044\u9806\u306b\u4e26\u3079\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>Dynamic VRAM<\/strong>: 2026\u5e744\u6708\u73fe\u5728\u30c7\u30d5\u30a9\u30eb\u30c8\u6709\u52b9\u3002\u307e\u305a\u306f\u6700\u65b0\u7248ComfyUI\u3092\u4f7f\u3046\u3053\u3068\u304c\u524d\u63d0<\/li>\n<li><strong>FP8\uff0fGGUF\u91cf\u5b50\u5316<\/strong>: VRAM\u6d88\u8cbb\u309240\u301c50%\u524a\u6e1b\u3067\u304d\u308b\u6700\u5927\u306e\u52b9\u679c\u6e90\u3001Flux Q5_K_S\u3067\u7d046\u301c8GB<\/li>\n<li><strong>Sage Attention\uff0ftorch.compile<\/strong>: 2026\u5e744\u6708\u73fe\u5728\u306e\u4e3b\u6d41\u9ad8\u901f\u5316\u30bb\u30c3\u30c8\u3001xformers\u306f\u4e92\u63db\u6027\u91cd\u8996\u306e\u9078\u629e\u80a2<\/li>\n<li><strong>CLIP\u30a2\u30f3\u30ed\u30fc\u30c9\u30fb\u30bf\u30a4\u30ebVAE<\/strong>: 8GB\u74b0\u5883\u3067\u306e\u5b9f\u52d9\u5fc5\u9808\u30c6\u30af\u3001\u30d4\u30f3\u30dd\u30a4\u30f3\u30c8\u3067\u52b9\u304f<\/li>\n<li><strong>\u8d77\u52d5\u30aa\u30d7\u30b7\u30e7\u30f3\uff08&#8211;lowvram\uff0f&#8211;novram\uff0f&#8211;reserve-vram\uff09<\/strong>: Dynamic VRAM\u3067\u8db3\u308a\u306a\u3044\u5834\u5408\u306e\u88dc\u52a9\u7b56<\/li>\n<li><strong>\u89e3\u50cf\u5ea6\u30fb\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u8abf\u6574<\/strong>: \u751f\u6210\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u898b\u76f4\u3057\u3067VRAM\u306e\u7121\u99c4\u9063\u3044\u3092\u9632\u3050<\/li>\n<\/ol>\n<p>8GB\u306eGPU\u3067\u3082\u3001Dynamic VRAM\uff0bFP8\uff0fGGUF\u91cf\u5b50\u5316\uff0bSage Attention\uff0b\u30bf\u30a4\u30ebVAE\u3092\u7d44\u307f\u5408\u308f\u305b\u308c\u3070Flux\u30e2\u30c7\u30eb\u3067\u306e\u753b\u50cf\u751f\u6210\u304c\u53ef\u80fd\u3067\u3059\u3002\u307e\u305a\u306f\u81ea\u5206\u306eGPU\u306eVRAM\u5bb9\u91cf\u3092\u78ba\u8a8d\u3057\u3001<a href=\"https:\/\/persc.jp\/blog\/comfyui-pc-requirement\/\">ComfyUI PC\u74b0\u5883\u30fb\u30ed\u30fc\u30ab\u30eb\u751f\u6210\u30ac\u30a4\u30c9<\/a>\u3092\u53c2\u8003\u306b\u74b0\u5883\u3092\u6574\u3048\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u306a\u304aComfyUI\u672c\u4f53\u306f\u6708\u5358\u4f4d\u3067\u66f4\u65b0\u3055\u308c\u308b\u305f\u3081\u3001\u6700\u65b0\u60c5\u5831\u306fComfyUI\u516c\u5f0fChangelog\u3067\u968f\u6642\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n<h3>\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/h3>\n<ul>\n<li><a href=\"https:\/\/persc.jp\/blog\/comfyui-complete-guide\/\">ComfyUI\u3068\u306f\uff1f\u3067\u304d\u308b\u3053\u3068\u30fb\u59cb\u3081\u65b9\u30fb\u5b66\u7fd2\u30ed\u30fc\u30c9\u30de\u30c3\u30d7\u5b8c\u5168\u30ac\u30a4\u30c9<\/a> \u2014 ComfyUI\u306e\u57fa\u672c\u304b\u3089\u5fdc\u7528\u307e\u3067\u5168\u4f53\u50cf\u3092\u3064\u304b\u307f\u305f\u3044\u65b9\u5411\u3051<\/li>\n<li><a href=\"https:\/\/persc.jp\/blog\/comfyui-pc-requirement\/\">ComfyUI PC\u74b0\u5883\u30fb\u30ed\u30fc\u30ab\u30eb\u751f\u6210\u30ac\u30a4\u30c9<\/a> \u2014 VRAM\u6700\u9069\u5316\u306e\u524d\u63d0\u3068\u306a\u308bPC\u74b0\u5883\u306e\u69cb\u7bc9\u624b\u9806\u3092\u78ba\u8a8d\u3057\u305f\u3044\u65b9\u5411\u3051<\/li>\n<li><a href=\"https:\/\/persc.jp\/blog\/comfyui-pc-specs-vram\/\">ComfyUI\u306b\u5fc5\u8981\u306aPC\u30b9\u30da\u30c3\u30af\uff5cVRAM\u30fb\u30e1\u30e2\u30ea\u306e\u76ee\u5b89\u3092\u6574\u7406<\/a> \u2014 GPU\u9078\u5b9a\u30fbVRAM\u5bb9\u91cf\u306e\u76ee\u5b89\u3092\u77e5\u308a\u305f\u3044\u65b9\u5411\u3051<\/li>\n<li><a href=\"https:\/\/persc.jp\/blog\/comfyui-flux-model-guide\/\">Flux\u30e2\u30c7\u30eb\u5b8c\u5168\u30ac\u30a4\u30c9\uff5cDev\u30fbSchnell\u30fbFLUX.2\u30fbChroma<\/a> \u2014 \u5927\u578b\u30e2\u30c7\u30ebFlux\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3068\u9078\u3073\u65b9\u3092\u62bc\u3055\u3048\u305f\u3044\u65b9\u5411\u3051<\/li>\n<li><a href=\"https:\/\/persc.jp\/blog\/comfyui-video-guide\/\">ComfyUI \u52d5\u753b\u751f\u6210\u30ac\u30a4\u30c9\u30102026\u5e74\u7248\u3011\u30e2\u30c7\u30eb\u9078\u3073\u3068\u5b9f\u8df5\u30ef\u30fc\u30af\u30d5\u30ed\u30fc<\/a> \u2014 Wan2.2\u3084HunyuanVideo\u306a\u3069\u52d5\u753b\u30e2\u30c7\u30eb\u306e\u5c0e\u5165\u3068\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u305f\u3044\u65b9\u5411\u3051<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>ComfyUI\uff08\u30ce\u30fc\u30c9\u3092\u3064\u306a\u3044\u3067\u753b\u50cf\u751f\u6210AI\u3092\u52d5\u304b\u3059\u30c4\u30fc\u30eb\uff09\u3067\u753b\u50cf\u3084\u52d5\u753b\u3092\u751f\u6210\u3057\u3066\u3044\u308b\u3068\u3001\u7a81\u7136\u300cCUDA out of memory\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u304c\u8868\u793a\u3055\u308c\u3066\u4f5c\u696d\u304c\u6b62\u307e\u3063\u305f\u7d4c\u9a13\u306f\u3042\u308a\u307e\u305b\u3093\u304b\u3002\u7279\u306bFlux\uff08\u30d5\u30e9\u30c3\u30af\u30b9\uff09\u3084 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"swell_btn_cv_data":"","footnotes":""},"categories":[112,114,113],"tags":[],"class_list":["post-3619","post","type-post","status-publish","format-standard","hentry","category-ai-architect","category-comfyui-ai-architect","category-service-ai-architect"],"acf":[],"_links":{"self":[{"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/posts\/3619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/comments?post=3619"}],"version-history":[{"count":2,"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/posts\/3619\/revisions"}],"predecessor-version":[{"id":4516,"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/posts\/3619\/revisions\/4516"}],"wp:attachment":[{"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/media?parent=3619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/categories?post=3619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/persc.jp\/blog\/wp-json\/wp\/v2\/tags?post=3619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}