golang/go
Apr 2026 – Apr 2026
1 Month active
Languages Used
Go
Technical Skills
Go programmingalgorithm optimizationcompiler design
Timo Friedl
PROFILE
Timo Friedl
During April 2026, contributed a boolean absorption optimization to the golang/go repository, enhancing the Go compiler’s SSA rewrite rules. This work introduced boolean absorption laws for 8, 16, 32, and 64-bit widths, implemented generically to match various bit patterns and operand orders. By enabling the elimination of redundant ALU instructions, the optimization improved instruction density and aligned Go’s behavior with GCC and LLVM at -O2. The changes were integrated across runtime, testing, go/parser, and third-party packages, with validation through code reviews and CI. The project leveraged Go programming, algorithm optimization, and compiler design expertise throughout development and review.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
1Total
Bugs
0
Commits
1
Features
1
Lines of code
204
Activity Months1
Your Network
313 peopleWork History
April 2026
1 Commits • 1 Features
Apr 1, 2026April 2026 (2026-04) delivered a new boolean absorption optimization in the Go compiler's SSA rewrite rules. The feature adds boolean absorption laws to SSA rewrite rules for 8/16/32/64-bit widths, implemented generically to match various bit patterns and operand orders. This enables the elimination of redundant ALU instructions (e.g., x & (x | y) -> x and x | (x & y) -> x), aligning Go's optimization behavior with GCC and LLVM at -O2. The change was implemented in the cmd/compile path and covers real code paths including runtime, testing, go/parser, and third-party packages. Work tracked under issue #78632 with end-to-end validation through code reviews and CI; auto-submitted and reviewed by core Go contributors.
1 Commits • 1 Features
Apr 1, 2026April 2026 (2026-04) delivered a new boolean absorption optimization in the Go compiler's SSA rewrite rules. The feature adds boolean absorption laws to SSA rewrite rules for 8/16/32/64-bit widths, implemented generically to match various bit patterns and operand orders. This enables the elimination of redundant ALU instructions (e.g., x & (x | y) -> x and x | (x & y) -> x), aligning Go's optimization behavior with GCC and LLVM at -O2. The change was implemented in the cmd/compile path and covers real code paths including runtime, testing, go/parser, and third-party packages. Work tracked under issue #78632 with end-to-end validation through code reviews and CI; auto-submitted and reviewed by core Go contributors.
April 2026
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
Go
Technical Skills
Go programmingalgorithm optimizationcompiler design
Repositories Contributed To
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