Reduce non-default-interface costs for complicated runtimeclasses - #1579

Draft

Jon Wiswall (jonwis) wants to merge 38 commits into

microsoft:masterfrom

jonwis:user/jonwis/fast-runtimeclasses

Commits on May 4, 2026

Add thunk-based interface caching plan, build/test scripts
Jon Wiswall (jonwis)
committed
64b8e32
Address plan review: fix 10 gaps, snake_case, rework build script
Jon Wiswall (jonwis)
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85d475f
Move write_abi_args to Phase 1, add user rules to plan
Jon Wiswall (jonwis)
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5a3fa1e
Rules: add -logo nul, reduce noisy output guidance
Jon Wiswall (jonwis)
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93ef473
Phase 1: thunked runtimeclass infrastructure (strings, ASM stubs, consume_general)
Jon Wiswall (jonwis)
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0cb57ec
Phase 2 WIP: code generator emits thunked runtimeclasses
Jon Wiswall (jonwis)
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2600e33
Fix thunked type identity: arg<T>, is_com_interface, empty_value, box/unbox
Jon Wiswall (jonwis)
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40dac14
Update plan notes: systematic fix complete, disassembly verification status
Jon Wiswall (jonwis)
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01709ea
Add thunked_dispatch test: consumer-side PropertySet verification
Jon Wiswall (jonwis)
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59740ce
Phase 3 tests: copy/move, ABI interop, as/try_as, thread safety
Jon Wiswall (jonwis)
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722d83a
Update plan: Phase 3 test coverage table, reset_thunked bug documentation
Jon Wiswall (jonwis)
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58b1c07
Phase 3 complete: generic default (StringMap) + full mode (Package >8) tests
Jon Wiswall (jonwis)
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63e8c49
Phase 3 complete: all test scenarios covered, 3072 assertions / 102 tests
Jon Wiswall (jonwis)
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9edcf17
Add technical documentation: docs/runtimeclass-caching.md
Jon Wiswall (jonwis)
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89dae65
Exclude async default interfaces from thunking; add operator== with COM identity
Jon Wiswall (jonwis)
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d7eaf1f
Fix bind_in, delegate ABI, test_slow expectation; exclude async types
Jon Wiswall (jonwis)
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b175ad2

Commits on May 5, 2026

Commits on May 7, 2026

Rename things
Jon Wiswall (jonwis)
committed
68ee998

Commits on May 8, 2026

Modernize assembly using windows macros
Jon Wiswall (jonwis)
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8d2ad89

Commits on May 9, 2026

Commits on May 10, 2026

Fast ABI documentation
Jon Wiswall (jonwis)
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b228424
Refresh documentation
Jon Wiswall (jonwis)
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760436d
Add ODR violation validation
Jon Wiswall (jonwis)
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716ff56

Commits on May 11, 2026

PR cleanup
Jon Wiswall (jonwis)
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2a9e965

Commits on May 19, 2026

Commits on May 20, 2026

Clean up x86 frame pop management
Jon Wiswall (jonwis)
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0edab62

Commits on May 22, 2026

Rename to "flat" and adjust assembly to remove uniqueness around IUnknown
Jon Wiswall (jonwis)
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4cb3453

Commits on May 23, 2026

Fix nuget restore ordering
Jon Wiswall (jonwis)
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75cccf3
Merge remote-tracking branch 'origin/master' into user/jonwis/fast-runtimeclasses
Jon Wiswall (jonwis)
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ce78c89
Conclusion
Jon Wiswall (jonwis)
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093313c