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Jun 15, 2023 •16 likes •206 views

https://bazel.build/ Inputs /usr/bin/cc Action Outputs ./parser.h cc -I. -c parser.c -o parser.o ./parser.o ./parser.c Inputs /usr/bin/cc Action Outputs ./parser.h cc -I. -c parser.c -o parser.o ./parser.o ./parser.c Workspace

  2. https://bazel.build/

  3. Inputs /usr/bin/cc Action Outputs ./parser.h cc -I. -c parser.c -o parser.o ./parser.o ./parser.c

  4. Inputs /usr/bin/cc Action Outputs ./parser.h cc -I. -c parser.c -o parser.o ./parser.o ./parser.c Workspace ./lexer.h ./lexer.c ./parser.h ./parser.c

  5. Sandbox Mock hostname Real hostname Process Network clever-cc input.c -o output.o input.c /dev/random output.o On Linux: user namespaces – On macOS: sandbox-exec https://blog.bazel.build/2015/09/11/sandboxing.html, https://jmmv.dev/2019/11/macos-sandbox-exec.html

  6. Inputs /usr/bin/cc Action Outputs ./parser.h cc -I. -c parser.c -o parser.o ./parser.o ./parser.c Workspace Workspace ./lexer.h Sandbox Directory ./lexer.h ./parser.h (ro?) ./lexer.c ./lexer.c ./parser.c (ro?) ./parser.h ./parser.h ./ (rw) ./parser.c ./parser.c ./parser.o

  7. Inputs /usr/bin/cc Action Outputs ./parser.h cc -I. -c parser.c -o parser.o ./parser.o ./parser.c Workspace Workspace ./lexer.h Sandbox Directory ./lexer.h ./parser.h (ro?) ./lexer.c ./lexer.c ./parser.c (ro?) ./parser.h ./parser.h ./ (rw) ./parser.c ./parser.c ./parser.o

  8. Bazel sandboxfs Mount Point CreateSandbox( action1 , { / → .../scratch/action1 (rw), /src/file1.h → .../src/file1.h (ro), /src/file1.c → .../src/file1.c (ro), }) https://github.com/bazelbuild/sandboxfs/

  9. Bazel sandboxfs Mount Point CreateSandbox( action1 , { / → .../scratch/action1 (rw), /src/file1.h → .../src/file1.h (ro), /src/file1.c → .../src/file1.c (ro), }) action1/ (rw) action1/src/file1.h (ro) action1/src/file1.c (ro) https://github.com/bazelbuild/sandboxfs/

  10. Bazel sandboxfs Mount Point CreateSandbox( action1 , { / → .../scratch/action1 (rw), /src/file1.h → .../src/file1.h (ro), /src/file1.c → .../src/file1.c (ro), }) action1/ (rw) action1/src/file1.h (ro) action1/src/file1.c (ro) Same idea as: mount --bind (Linux) mount -t null (BSD) https://github.com/bazelbuild/sandboxfs/

  11. Bazel sandboxfs Mount Point CreateSandbox( action1 , { / → .../scratch/action1 (rw), /src/file1.h → .../src/file1.h (ro), /src/file1.c → .../src/file1.c (ro), }) action1/ (rw) action1/src/file1.h (ro) action1/src/file1.c (ro) CreateSandbox( action2 , { / → .../scratch/action2 (rw), /gfx/libgfx.a → .../libgfx.a (ro), /main.a → .../main.a (ro), action1/ (rw) }) action1/src/file1.h (ro) action1/src/file1.c (ro) action2/ (rw) action2/gfx/libgfx.a (ro) action2/main.a (ro) https://github.com/bazelbuild/sandboxfs/

  12. Target Machine Local Bazel MacBook Pro 2017 581s Bazel Mac Pro 2013 247s iOS app Mac Pro 2013 1235s https://blog.bazel.build/2018/04/13/preliminary-sandboxfs-support.html

  13. Target Machine Local Symlinked sandbox Bazel MacBook Pro 2017 581s 621s (+6%) Bazel Mac Pro 2013 247s 265s (+7%) iOS app Mac Pro 2013 1235s 4572s (+270%) https://blog.bazel.build/2018/04/13/preliminary-sandboxfs-support.html

  14. Target Machine Local Symlinked sandbox sandboxfs sandbox Bazel MacBook Pro 2017 581s 621s (+6%) 612s (+5%) Bazel Mac Pro 2013 247s 265s (+7%) 250s (+1%) iOS app Mac Pro 2013 1235s 4572s (+270%) 1922s (+55%) https://blog.bazel.build/2018/04/13/preliminary-sandboxfs-support.html

  15. ● ● ● ● https://jmmv.dev/2018/07/rust-vs-go.html

  16. ● ● ● ● ● ● ● ● https://jmmv.dev/2018/07/rust-vs-go.html

  17. ● ● ● ● ● ● ● ● ● ● https://jmmv.dev/2018/07/rust-vs-go.html

  18. ● ○ ↔ ● ● ●

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