| { |
| "schema_version": "1.0", |
| "package_id": "ralph-sub2-iphone-matrix-v1", |
| "generated_at_utc": "2026-09-15T14:12:31Z", |
| "publication_status": "published", |
| "model": { |
| "repository": "RalphLabsAI/ralph-crowns", |
| "filename": "ralph-qwen3-8b-sub2.gguf", |
| "size_bytes": 2937263168, |
| "display_size_decimal_gb": 2.94, |
| "expected_sha256": "9c45bf0ac486e793bd761a99ce4b9d965ec12e70f2d420e02af16797c71f6b50", |
| "sha256_verification": { |
| "status": "expected_and_local_mirror_verified", |
| "local_mirror_match": true, |
| "computed_on_device": false |
| }, |
| "profile": "sub2", |
| "quantization": "Q2_K-led mixed quantization", |
| "embedded_chat_template": true, |
| "round": 7 |
| }, |
| "app": { |
| "name": "PocketPal", |
| "version": "1.17.3", |
| "build": 147, |
| "source_commit": "6683a28876d031484cc72dde251b6139a804ad64", |
| "test_only_device_lab_build": true |
| }, |
| "test_configuration": { |
| "provider": "BrowserStack", |
| "physical_devices": true, |
| "network_state": "connected", |
| "airplane_mode_verified": false, |
| "context_tokens": 2048, |
| "requested_backend": "gpu", |
| "effective_backend": "metal", |
| "runtime_device": "MTL0", |
| "benchmark": { |
| "prompt_tokens": 128, |
| "generated_tokens": 32, |
| "parallel": 1, |
| "repeats": 3, |
| "mmap": true |
| }, |
| "chat_prompt": "In two sentences, explain how lower-bit weights reduce memory use without changing a model's architecture." |
| }, |
| "summary": { |
| "devices_tested": 4, |
| "successful_benchmarks": 4, |
| "successful_normal_chat_takes": 4, |
| "devices_showing_memory_tight_warning": 4, |
| "normal_chat_tokens_per_second_range": { |
| "min": 10.58, |
| "max": 18.54 |
| }, |
| "controlled_generation_tokens_per_second_range": { |
| "min": 12.358422759719948, |
| "max": 22.539080509295804 |
| } |
| }, |
| "devices": [ |
| { |
| "id": "iphone-15-ios-26.6", |
| "device": "iPhone 15", |
| "os": "iOS 26.6", |
| "physical_device": true, |
| "session_started_at_utc": "2026-09-15T14:02:27Z", |
| "session_duration_seconds": 458, |
| "benchmark_captured_at_utc": "2026-09-15T14:08:56.887Z", |
| "status": "passed", |
| "model_loaded": true, |
| "chat_completed": true, |
| "memory_tight_warning_visible": true, |
| "normal_pocketpal_chat": { |
| "tokens_per_second": 10.58, |
| "milliseconds_per_token": 95, |
| "ttft_ms": 838, |
| "response": "Lower-bit weights reduce memory use by quantizing the model's parameters to fewer bits, which decreases the storage requirements per parameter without altering the model's structure. This allows the model to run efficiently on devices with limited memory while maintaining its performance." |
| }, |
| "controlled_benchmark": { |
| "prompt_tokens_per_second": 81.67847742889315, |
| "generation_tokens_per_second": 12.358422759719948, |
| "wall_ms": 159967, |
| "observed_peak_memory_mb": 1359.25, |
| "runtime_gpu": true, |
| "runtime_devices": [ |
| "MTL0" |
| ] |
| }, |
| "artifact_sha256_on_device_verified": false, |
| "evidence": { |
| "receipt": "devices/iphone-15-ios-26.6/RECEIPT.md", |
| "benchmark_screenshot": "devices/iphone-15-ios-26.6/benchmark.png", |
| "model_screenshot": "devices/iphone-15-ios-26.6/model-ready.png", |
| "chat_screenshot": "devices/iphone-15-ios-26.6/chat-response.png", |
| "raw_screen_recording": "devices/iphone-15-ios-26.6/receipt-raw.mp4" |
| } |
| }, |
| { |
| "id": "iphone-16-ios-18.6", |
| "device": "iPhone 16", |
| "os": "iOS 18.6", |
| "physical_device": true, |
| "session_started_at_utc": "2026-09-15T14:02:27Z", |
| "session_duration_seconds": 450, |
| "benchmark_captured_at_utc": "2026-09-15T14:08:40.550Z", |
| "status": "passed", |
| "model_loaded": true, |
| "chat_completed": true, |
| "memory_tight_warning_visible": true, |
| "normal_pocketpal_chat": { |
| "tokens_per_second": 12.36, |
| "milliseconds_per_token": 81, |
| "ttft_ms": 439, |
| "response": "Lower-bit weights reduce memory use by quantizing the model's parameters to fewer bits, which decreases the storage requirements without altering the model's structure. This allows for more efficient memory utilization while maintaining the same number of layers and operations." |
| }, |
| "controlled_benchmark": { |
| "prompt_tokens_per_second": 88.19278523444183, |
| "generation_tokens_per_second": 14.401330754649772, |
| "wall_ms": 301949, |
| "observed_peak_memory_mb": 3151.52, |
| "runtime_gpu": true, |
| "runtime_devices": [ |
| "MTL0" |
| ] |
| }, |
| "artifact_sha256_on_device_verified": false, |
| "evidence": { |
| "receipt": "devices/iphone-16-ios-18.6/RECEIPT.md", |
| "benchmark_screenshot": "devices/iphone-16-ios-18.6/benchmark.png", |
| "model_screenshot": "devices/iphone-16-ios-18.6/model-ready.png", |
| "chat_screenshot": "devices/iphone-16-ios-18.6/chat-response.png", |
| "raw_screen_recording": "devices/iphone-16-ios-18.6/receipt-raw.mp4" |
| } |
| }, |
| { |
| "id": "iphone-17-ios-26.6", |
| "device": "iPhone 17", |
| "os": "iOS 26.6", |
| "physical_device": true, |
| "session_started_at_utc": "2026-09-15T14:02:28Z", |
| "session_duration_seconds": 455, |
| "benchmark_captured_at_utc": "2026-09-15T14:08:51.361Z", |
| "status": "passed", |
| "model_loaded": true, |
| "chat_completed": true, |
| "memory_tight_warning_visible": true, |
| "normal_pocketpal_chat": { |
| "tokens_per_second": 16.77, |
| "milliseconds_per_token": 60, |
| "ttft_ms": 427, |
| "response": "Lower-bit weights reduce memory use by representing model parameters with fewer bits, which decreases the amount of memory required to store each weight without altering the model's structure. This allows for more efficient memory utilization while maintaining the same number of layers and neurons in the model." |
| }, |
| "controlled_benchmark": { |
| "prompt_tokens_per_second": 288.4833486243861, |
| "generation_tokens_per_second": 20.356770485468502, |
| "wall_ms": 311703, |
| "observed_peak_memory_mb": 1897.22, |
| "runtime_gpu": true, |
| "runtime_devices": [ |
| "MTL0" |
| ] |
| }, |
| "artifact_sha256_on_device_verified": false, |
| "evidence": { |
| "receipt": "devices/iphone-17-ios-26.6/RECEIPT.md", |
| "benchmark_screenshot": "devices/iphone-17-ios-26.6/benchmark.png", |
| "model_screenshot": "devices/iphone-17-ios-26.6/model-ready.png", |
| "chat_screenshot": "devices/iphone-17-ios-26.6/chat-response.png", |
| "raw_screen_recording": "devices/iphone-17-ios-26.6/receipt-raw.mp4" |
| } |
| }, |
| { |
| "id": "iphone-17-pro-max-ios-26.6", |
| "device": "iPhone 17 Pro Max", |
| "os": "iOS 26.6", |
| "physical_device": true, |
| "session_started_at_utc": "2026-09-15T13:28:50Z", |
| "session_duration_seconds": 316, |
| "benchmark_captured_at_utc": "2026-09-15T13:33:04.160Z", |
| "status": "passed", |
| "model_loaded": true, |
| "chat_completed": true, |
| "memory_tight_warning_visible": true, |
| "normal_pocketpal_chat": { |
| "tokens_per_second": 18.54, |
| "milliseconds_per_token": 54, |
| "ttft_ms": 400, |
| "response": "Lower-bit weights reduce memory use by quantizing the model's weights to fewer bits, which decreases the storage requirements per weight without altering the model's structure. This allows for more efficient memory utilization while maintaining the same computational graph and parameter distribution." |
| }, |
| "controlled_benchmark": { |
| "prompt_tokens_per_second": 328.47583335972814, |
| "generation_tokens_per_second": 22.539080509295804, |
| "wall_ms": 171784, |
| "observed_peak_memory_mb": 3224.59, |
| "runtime_gpu": true, |
| "runtime_devices": [ |
| "MTL0" |
| ] |
| }, |
| "artifact_sha256_on_device_verified": false, |
| "evidence": { |
| "receipt": "devices/iphone-17-pro-max-ios-26.6/RECEIPT.md", |
| "benchmark_screenshot": "devices/iphone-17-pro-max-ios-26.6/benchmark.png", |
| "model_screenshot": "devices/iphone-17-pro-max-ios-26.6/model-ready.png", |
| "chat_screenshot": "devices/iphone-17-pro-max-ios-26.6/chat-response.png", |
| "raw_screen_recording": "devices/iphone-17-pro-max-ios-26.6/receipt-raw.mp4" |
| } |
| } |
| ], |
| "limitations": [ |
| "BrowserStack re-signing strips PocketPal increased-memory-limit and extended-virtual-addressing entitlements.", |
| "These are physical-cloud-device throughput and backend observations, not App Store memory-fit certification.", |
| "Devices remained network-connected; these recordings are not airplane-mode or offline proof.", |
| "The expected model SHA-256 was verified against a local mirror, not computed on-device.", |
| "The Memory tight warning was visible on every tested device even though all four loaded and generated successfully.", |
| "Controlled benchmark generation speed and normal PocketPal chat speed are separate measurements and must not be substituted for one another.", |
| "Observed peak memory is a harness observation, not required device RAM.", |
| "Each row is one session without thermal normalization and does not establish universal performance or model quality." |
| ], |
| "publication_repository": "https://huggingface.co/datasets/RalphLabsAI/ralph-device-lab" |
| } |
|
|
