Also krackpot.io has a new 'copy hardware report'.
Handy to see what hardware is doing the best.
Krackpot diagnostics
============================================================
collected 2026-09-01T13:38:34.278Z
app build v97
WHAT FAILED
Report: running search
GPU: apple · metal-3 · chrome
SYSTEM
os macOS 26.5.1
architecture arm 64-bit
browser version 152.0.7977.64
logical cores 8
memory (approx GB) 16
screen 1440x900 @ 2x
model unavailable
user agent Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.36
GPU
vendor apple
architecture metal-3
device unavailable
description unavailable
fallback adapter false
features bgra8unorm-storage, clip-distances, core-features-and-limits, depth-clip-control, depth32float-stencil8, dual-source-blending, float32-blendable, float32-filterable, indirect-first-instance, primitive-index, rg11b10ufloat-renderable, shader-f16, subgroup-size-control, subgroups, texture-component-swizzle, texture-compression-astc, texture-compression-astc-sliced-3d, texture-compression-bc, texture-compression-bc-sliced-3d, texture-compression-etc2, texture-formats-tier1, texture-formats-tier2, timestamp-query
maxComputeInvocationsPerWorkgroup 1024
maxComputeWorkgroupSizeX 1024
maxComputeWorkgroupsPerDimension 65535
maxComputeWorkgroupStorageSize 32768
maxStorageBufferBindingSize 4294967292
maxBufferSize 4294967292
ADAPTERS: one GPU offered for both power preferences.
low-power apple / metal-3
high-performance apple / metal-3
SEARCH
keys per dispatch 1171875
last rate (keys/s) 5823841
total checked 16429056
NOT VISIBLE TO A WEB PAGE, please add these by hand:
driver version
the WebGPU backend, from chrome://gpu, the line reading
"WebGPU: Hardware accelerated" and the Vulkan/D3D12/Metal row beneath it
Also krackpot.io has a new 'copy hardware report'.
Handy to see what hardware is doing the best.
Krackpot diagnostics ============================================================ collected 2026-09-01T13:38:34.278Z app build v97 WHAT FAILED Report: running search GPU: apple · metal-3 · chrome SYSTEM os macOS 26.5.1 architecture arm 64-bit browser version 152.0.7977.64 logical cores 8 memory (approx GB) 16 screen 1440x900 @ 2x model unavailable user agent Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/152.0.0.0 Safari/537.36 GPU vendor apple architecture metal-3 device unavailable description unavailable fallback adapter false features bgra8unorm-storage, clip-distances, core-features-and-limits, depth-clip-control, depth32float-stencil8, dual-source-blending, float32-blendable, float32-filterable, indirect-first-instance, primitive-index, rg11b10ufloat-renderable, shader-f16, subgroup-size-control, subgroups, texture-component-swizzle, texture-compression-astc, texture-compression-astc-sliced-3d, texture-compression-bc, texture-compression-bc-sliced-3d, texture-compression-etc2, texture-formats-tier1, texture-formats-tier2, timestamp-query maxComputeInvocationsPerWorkgroup 1024 maxComputeWorkgroupSizeX 1024 maxComputeWorkgroupsPerDimension 65535 maxComputeWorkgroupStorageSize 32768 maxStorageBufferBindingSize 4294967292 maxBufferSize 4294967292 ADAPTERS: one GPU offered for both power preferences. low-power apple / metal-3 high-performance apple / metal-3 SEARCH keys per dispatch 1171875 last rate (keys/s) 5823841 total checked 16429056 NOT VISIBLE TO A WEB PAGE, please add these by hand: driver version the WebGPU backend, from chrome://gpu, the line reading "WebGPU: Hardware accelerated" and the Vulkan/D3D12/Metal row beneath it