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Detecting SIMD support on ARM with Android (and patching the Rust compiler for it)

gendignoux.com · published 9 November 2022

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Compiling Rust libraries for Android apps: a deep dive Read at the source ↗

gendignoux.com

https://doc.rust-lang.org/std/arch/macro.is_aarch64_feature_detected.html

doc.rust-lang.org

Horcrux: Implementing Shamir's Secret Sharing in Rust (part 2) Read at the source ↗

gendignoux.com

https://doc.rust-lang.org/core/arch/aarch64/fn.vmull_p64.html

doc.rust-lang.org

https://doc.rust-lang.org/core/arch/index.html

doc.rust-lang.org

https://github.com/gendx/android-rust-library/blob/main/src/android-simd/src/cpu.rs

github.com

https://man7.org/linux/man-pages/man7/signal.7.html

man7.org

https://en.wikipedia.org/wiki/CPUID

en.wikipedia.org

https://developer.arm.com/documentation/ddi0406/c/System-Level-Architecture/The-CPUID-Identification-Scheme/The-CPUID-registers/Organization-of-the-CPUID-registers?lang=en

developer.arm.com

https://www.kernel.org/doc/Documentation/arm64/cpu-feature-registers.txt

kernel.org

https://github.com/rust-lang/stdarch/blob/master/crates/std_detect/src/detect/os/aarch64.rs

github.com

https://github.com/rust-lang/stdarch/blob/master/crates/std_detect/src/detect/os/linux/aarch64.rs

github.com

https://man7.org/linux/man-pages/man3/getauxval.3.html

man7.org

https://github.com/torvalds/linux/blob/master/arch/arm64/include/uapi/asm/hwcap.h

github.com

https://github.com/rust-lang/stdarch/blob/master/crates/std_detect/src/detect/os/linux/cpuinfo.rs

github.com

https://github.com/rust-lang/stdarch/blob/676ca68f5b581e7445e9b828754ccc1ad4d39e1a/crates/std_detect/src/detect/mod.rs

github.com

https://github.com/rust-lang/rust/blob/1.65.0/compiler/rustc_target/src/spec/android_base.rs

github.com

https://github.com/rust-lang/stdarch/blob/676ca68f5b581e7445e9b828754ccc1ad4d39e1a/crates/std_detect/src/detect/os/other.rs

github.com

https://github.com/rust-lang/rust/blob/1.65.0/compiler/rustc_target/src/spec/aarch64_linux_android.rs

github.com

https://developer.android.com/ndk/guides/abis

developer.android.com

https://github.com/rust-lang/stdarch/blob/676ca68f5b581e7445e9b828754ccc1ad4d39e1a/crates/std_detect/src/detect/macros.rs

github.com

https://github.com/rust-lang/stdarch/pull/1351

github.com

https://rustc-dev-guide.rust-lang.org/building/how-to-build-and-run.html

rustc-dev-guide.rust-lang.org

https://rustc-dev-guide.rust-lang.org/building/prerequisites.html

rustc-dev-guide.rust-lang.org

https://github.com/rust-lang/rustup/issues/817

github.com

https://stackoverflow.com/a/43136160

stackoverflow.com

https://rustc-dev-guide.rust-lang.org/building/bootstrapping.html

rustc-dev-guide.rust-lang.org

https://www.youtube.com/watch?v=oUIjG-y4zaA

youtube.com

https://github.com/rust-lang/rust/tree/master/src/bootstrap

github.com

https://en.wikipedia.org/wiki/Tmpfs

en.wikipedia.org

https://github.com/rust-lang/rust/issues/63978

github.com

https://github.com/rust-lang/rust/issues/76653

github.com

https://github.com/rust-lang/rust/pull/89757

github.com

https://www.brendangregg.com/flamegraphs.html

brendangregg.com

https://gendignoux.com/blog/images/rust-simd-detect-arm-android/rustc-du.PdLTduNfu6Sk.svg

gendignoux.com

https://en.wikipedia.org/wiki/Hard_link

en.wikipedia.org

https://gendignoux.com/blog/images/rust-simd-detect-arm-android/rustc-du.PdLTduNfu6Sk.svg?s=%28query-cache%7Cdep-graph%29.bin

gendignoux.com

https://github.com/brendangregg/FlameGraph/blob/f435e4c0552517cd2c1af8c63da91dc5d6c3af53/flamegraph.pl

github.com

https://github.com/gendx/android-rust-library/blob/main/tools/flamedisk/src/main.rs

github.com

https://github.com/rust-lang/rust/pull/97925

github.com

https://github.com/rust-lang/rust/pull/100586

github.com

https://rustc-dev-guide.rust-lang.org/profiling.html

rustc-dev-guide.rust-lang.org

https://doc.rust-lang.org/nightly/cargo/reference/timings.html

doc.rust-lang.org

https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-1cpu-rustc.html

gendignoux.com

https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-2cpu-rustc.html

gendignoux.com

https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-4cpu-rustc.html

gendignoux.com

https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-8cpu-rustc.html

gendignoux.com

https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-1cpu-std-aarch64.html

gendignoux.com

https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-1cpu-rustdoc.html

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https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-2cpu-std-aarch64.html

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https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-2cpu-rustdoc.html

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https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-4cpu-std-aarch64.html

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https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-4cpu-rustdoc.html

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https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-8cpu-std-aarch64.html

gendignoux.com

https://gendignoux.com/blog/images/rust-simd-detect-arm-android/cargo-timing-8cpu-rustdoc.html

gendignoux.com

https://github.com/gendx/android-rust-library

github.com

https://infosec.exchange/@gendx/109315144072466415

infosec.exchange

https://www.reddit.com/r/rust/comments/yqqe17/detecting_simd_support_on_arm_with_android_and/

reddit.com

https://twitter.com/GEndignoux/status/1590403788929929216

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