feat: parallelize C and Rust building step

Author: madhav-madhusoodanan

crates/intrinsic-test/src/arm/mod.rs

@@ -18,6 +18,9 @@ pub struct ArmArchitectureTest {
     cli_options: ProcessedCli,
 }
 
+unsafe impl Send for ArmArchitectureTest {}
+unsafe impl Sync for ArmArchitectureTest {}
+
 impl SupportedArchitectureTest for ArmArchitectureTest {
     type IntrinsicImpl = ArmIntrinsicType;
 

crates/intrinsic-test/src/main.rs

@@ -25,13 +25,22 @@ fn main() {
     }
 }
 
-fn run(test_environment: impl SupportedArchitectureTest) {
-    info!("building C binaries");
-    if !test_environment.build_c_file() {
+fn run(test_environment: impl SupportedArchitectureTest + Sync) {
+    let (c_output, rust_output) = rayon::join(
+        || {
+            info!("building C binaries");
+            test_environment.build_c_file()
+        },
+        || {
+            info!("building Rust binaries");
+            test_environment.build_rust_file()
+        },
+    );
+
+    if !c_output {
         std::process::exit(2);
     }
-    info!("building Rust binaries");
-    if !test_environment.build_rust_file() {
+    if !rust_output {
         std::process::exit(3);
     }
     info!("Running binaries");

crates/intrinsic-test/src/x86/mod.rs

@@ -18,6 +18,9 @@ pub struct X86ArchitectureTest {
     cli_options: ProcessedCli,
 }
 
+unsafe impl Send for X86ArchitectureTest {}
+unsafe impl Sync for X86ArchitectureTest {}
+
 impl SupportedArchitectureTest for X86ArchitectureTest {
     type IntrinsicImpl = X86IntrinsicType;