diff options
Diffstat (limited to 'test_ffi')
| -rw-r--r-- | test_ffi/src/lib.rs | 10 | ||||
| -rw-r--r-- | test_ffi/tests/bench.js | 8 |
2 files changed, 18 insertions, 0 deletions
diff --git a/test_ffi/src/lib.rs b/test_ffi/src/lib.rs index 95b7d900c..bc89bd66c 100644 --- a/test_ffi/src/lib.rs +++ b/test_ffi/src/lib.rs @@ -95,6 +95,16 @@ pub extern "C" fn add_f64(a: f64, b: f64) -> f64 { } #[no_mangle] +unsafe extern "C" fn hash(ptr: *const u8, length: u32) -> u32 { + let buf = std::slice::from_raw_parts(ptr, length as usize); + let mut hash: u32 = 0; + for byte in buf { + hash = hash.wrapping_mul(0x10001000).wrapping_add(*byte as u32); + } + hash +} + +#[no_mangle] pub extern "C" fn sleep_blocking(ms: u64) { let duration = Duration::from_millis(ms); sleep(duration); diff --git a/test_ffi/tests/bench.js b/test_ffi/tests/bench.js index 8885c7d7e..da29f482f 100644 --- a/test_ffi/tests/bench.js +++ b/test_ffi/tests/bench.js @@ -12,6 +12,7 @@ const libPath = `${targetDir}/${libPrefix}test_ffi.${libSuffix}`; const dylib = Deno.dlopen(libPath, { "nop": { parameters: [], result: "void" }, "add_u32": { parameters: ["u32", "u32"], result: "u32" }, + "hash": { parameters: ["pointer", "u32"], result: "u32" }, "nop_u8": { parameters: ["u8"], result: "void" }, "nop_i8": { parameters: ["i8"], result: "void" }, "nop_u16": { parameters: ["u16"], result: "void" }, @@ -231,6 +232,13 @@ Deno.bench("add_u32()", () => { add_u32(1, 2); }); +const bytes = new Uint8Array(64); + +const { hash } = dylib.symbols; +Deno.bench("hash()", () => { + hash(bytes, bytes.byteLength); +}); + const { nop_u8 } = dylib.symbols; Deno.bench("nop_u8()", () => { nop_u8(100); |