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Add Halidoscope for interactive trace and profiling visualization. - #9356

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parkerziegler wants to merge 91 commits into

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parkerziegler/halidoscope

Commits on Sep 3, 2026

Initial prototype of neotrace viewer

alexreinking
and
claude
authored
63eba30
Add local_laplacian_trace / process_viz to build
alexreinking
authored
976104f
basic neotrace fixups
alexreinking
authored
06b61f0
pre-commit after rebase
alexreinking
authored
f0e4428
Add profiling; fix render performance
alexreinking
authored
35f8ffe
Improve scrubbing performance
alexreinking
authored
2a72494
feat: Initial commit for basic client-server setup for Halidoscope.

Parker Ziegler
and
claude
authored
770f50c
feat: Support full playback and forward scrubbing of Halide traces.

Parker Ziegler
and
claude
authored
be8d0b3
feat: Support RGB.

Parker Ziegler
and
claude
authored
8b4379b
feat: Add support for heatmap visualizations of load / store counts.

parkerziegler
and
claude
authored
37724ab
feat: Migrate to Rust backend and add Histograms.

parkerziegler
and
claude
authored
177efe2
feat: Add support for Reuse Distance visualization and highlight live Funcs on playback.

parkerziegler
and
claude
authored
b99a4bc
fix: Remove Python backend and shift Tauri app to root directory of apps/halidoscope.
parkerziegler
authored
50465c5
Support produce-consume liveness highlighting and refactor backend with mode-specific renderers.

parkerziegler
and
claude
authored
fbab915
Add CLI for snapshotting Func buffers at packet indices.
parkerziegler
authored
7d6078f
Add dot subcommand to Halidoscope CLI.
parkerziegler
authored
02f90dd
Adjust packet parsing to accommodate #9192 and report thread count information by Func.
parkerziegler
authored
c5be346
Fix responsive text aliasing issues by using NodeToolbar.
parkerziegler
authored
f16afcc
Fix liveness producer-consumer derivation to align more closely with the notion of producer-consumer in the original Halide paper.

parkerziegler
and
claude
authored
5100266
Adjust liveness color mappings.
parkerziegler
authored
fa71d6a
Adjust redundant store count metric to mark a redundant store only if there are no intervening loads.

parkerziegler
and
claude
authored
0643752
Add support for normalization modes and real-time histogram rendering.

parkerziegler
and
claude
authored
a2fff55
Add list and stats CLI subcommands.

parkerziegler
and
claude
authored
75ad04a
Adjust halidoscope snapshot subcommand to return values as JSON.

parkerziegler
and
claude
authored
613695b
Add docs on building Halidoscope, using the GUI and CLI, and developing Halidoscope locally.
parkerziegler
authored
a5f3b8d
Add support for NaN and inf rendering.
parkerziegler
authored
f970819
Add support for Thread Coverage rendering.
parkerziegler
authored
9e80fb6
Dramatically improve rendering performancefor Load Frequency render mode.
parkerziegler
authored
33555f4
Add support for thread filtering and highlighting.
parkerziegler
authored
29f18c1
Back out changes to Python tracing infrastructure that are not on main and not used by Halidoscope.
parkerziegler
authored
bc0b154
Add support for visualizing information from the Halide profiler.
parkerziegler
authored
f886789
Reduce IPC calls by shifting NaN/Inf overlay computation into the IPC response for each render mode.

parkerziegler
and
claude
authored
2ccea15
Support user-selected colors for NaN and Inf highlighting. Rework UI to keep display parameters visible across all top-level tabs.
parkerziegler
authored
872eb99
Ignore demos.
parkerziegler
authored
291dbda
Add support for Grayscale render mode histograms.
parkerziegler
authored
c72836b
Add basic support for RGB histograms.

parkerziegler
and
claude
authored
c215362
Add .halidoscope method to Pipeline class.

parkerziegler
and
claude
authored
6fe091a
Support invoking Halidoscope with no arguments.

parkerziegler
and
claude
authored
eac9292
Apply clippy recommended fixes.
parkerziegler
authored
7db79ba
Reduce trace loading and parsing time 1.25x by combining stats computation into 2 (instead of 5) passes over store and load indices.

parkerziegler
and
claude
authored
4fd8622
Adjust and document types for the frontend.

parkerziegler
and
claude
authored
a20dfc8
Add HalidoscopeOptions to allow callers of Pipeline::halidoscope to specify a path to the halidoscope binary on disk.
parkerziegler
authored
1cf261a
Allow callers of Pipeline::halidoscope to specify a non-volatile directory for persisting generated Halide trace and profile.
parkerziegler
authored
3466a82
Fix missing end bin in histogram rendering and shift all render mode GUI controls into RenderModeParameters component.
parkerziegler
authored
f211970
Only include NaN and Inf overlay buffers when explicitly requested.
parkerziegler
authored
cf5d12e
Only request live Funcs during playback to reduce IPC calls.
parkerziegler
authored
3cf0ade
Add more granular loading feedback to support XL traces.
parkerziegler
authored
ed472a6
Send NaN and Inf buffers as bit masks.
parkerziegler
authored
ee7a0b6
Fix caching scope bug in FuncNode.
parkerziegler
authored
daf25c8
Use bindgen to derive halide_trace_packet_t's field names and offsets from HalideRuntime.h.

parkerziegler
and
claude
authored
ebec097
Introduce RAII type to support accumulating profiler stats in Halidoscope's JIT profiling runs.

parkerziegler
and
claude
authored
4b2cbf4
Standardize styles for Select and Checkbox components and reuse across UI.

parkerziegler
and
claude
authored
50e9aac
Add new Profile UI.

parkerziegler
and
Claude Sonnet 5
authored
82f2400
Move halidoscope into the tools directory.
parkerziegler
authored
d5a6b3c
Remove erroneously committed files.
parkerziegler
authored
c82ba49
Fix Halidoscope profiling pass to snapshot profiler stats once just before exit of DeferProfilerFlush.

parkerziegler
and
claude
authored
c6a37e1
Fix clang-tidy warnings.
parkerziegler
authored
fb3e26c
Check in Halidoscope's icon set.
parkerziegler
authored
48c7599
Misc improvements to tooltips and styling in Profile tab.
parkerziegler
authored
5910996
Make sizes a required argument for Pipeline::halidoscope's first overload.
parkerziegler
authored
44c1482
Rework component directory structure for maintainability and clarity.
parkerziegler
authored
d35541d
Standardize Props naming convention.
parkerziegler
authored
4690c04
Make all HalidoscopeOptions fields optional, and update README.
parkerziegler
authored
c54cd58
Add updated icons.
parkerziegler
authored
cc1d4fa
Remove unneeded icons.
parkerziegler
authored
2011801
Add basic tests for Pipeline::halidoscope.

parkerziegler
and
claude
authored
5ded0b4
Fix CI error on Windows owing to unreferenced local variable.
parkerziegler
authored
673bdec
Only run halidoscope tests with serialization enabled.

parkerziegler
and
claude
authored
8e4ba63

Commits on Oct 5, 2026

Put produce/consume trace events inside the node body

abadams
and
Copilot
committed
b12effe
Add bounds_required trace events

abadams
and
Copilot
committed
4536019
Don't emit ANSI color codes into profiler JSON warnings

abadams
and
Copilot
committed
f8dba17

Commits on Oct 6, 2026

Make profiler_json_output's color test robust to coarse sampling

abadams
and
Copilot
committed
382ee0f
Merge remote-tracking branch 'origin/main' into parkerziegler/halidoscope
abadams
committed
c451589
Merge remote-tracking branch 'origin/main' into parkerziegler/halidoscope
abadams
committed
368be18
Merge branch 'abadams/fix_trace_produce_consume_events' into parkerziegler/halidoscope
abadams
committed
d8ab715
Merge branch 'abadams/trace_bounds_required' into parkerziegler/halidoscope
abadams
committed
f1d771f
Merge branch 'abadams/fix_profiler_json_colors' into parkerziegler/halidoscope
abadams
committed
912e2a3
Add JITSharedRuntime::set_trace_file

abadams
and
Copilot
committed
1043002
Move Pipeline::halidoscope into Halidoscope.cpp and add Generator::halidoscope

abadams
and
Copilot
committed
63ae974
Halidoscope GUI: liveness boxes, value probing, slices, profile table

abadams
and
Copilot
committed
c605390
Add JITSharedRuntime::set_trace_file

abadams
and
Copilot
committed
aa7a62a
Add a test for JITSharedRuntime::set_trace_file

abadams
and
Copilot
committed
69b4e7d
Merge branch 'abadams/jit_set_trace_file' into parkerziegler/halidoscope
abadams
committed
6ca84fd

Commits on Oct 7, 2026

Halidoscope: per-coordinate metrics, slicing, profile revamp, GUI fixes

abadams
and
Copilot
committed
054be3a
Halidoscope: hand-rolled trace compression and zero-copy trace loading

abadams
and
Copilot
committed
88d7fd5
Halidoscope: color more than 12 threads in thread coverage

abadams
and
Copilot
committed
1f5b75c
Harden trace decompression against corrupt chunk and packet sizes

abadams
and
Copilot
committed
bbbdc7c
Halidoscope: shrink app icons

abadams
and
Copilot
committed
bcb08a3
Apply pre-commit auto-fixes
halide-ci[bot]
committed
ecc2f98
Fix macOS distrib build for Halidoscope

abadams
and
Copilot
committed
8d43465
Merge remote auto-fix into Halidoscope branch

abadams
and
Copilot
committed
bb3114a