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Add dtype size to benchmark throughput calculation

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This commit is contained in:
Ivar Flakstad
2025-05-06 10:39:02 +02:00
parent 816aeeb7b6
commit 5ed764213d
1 changed files with 4 additions and 3 deletions
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7
candle-core/benches/benchmarks/matmul.rs
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@ -17,16 +17,17 @@ fn run_bench(c: &mut Criterion, device: &Device, dtype: DType) {
let rhs = Tensor::zeros((b, n, k), dtype, device).unwrap(); let rhs = Tensor::zeros((b, n, k), dtype, device).unwrap();
let flops = b * m * n * k; let flops = b * m * n * k;
let bytes = flops * dtype.size_in_bytes();
let name = match dtype { let name = match dtype {
DType::F32 => "matmul_f32", DType::F32 => "matmul_f32",
DType::U8 => "matmul_fp8",
DType::F16 => "matmul_f16", DType::F16 => "matmul_f16",
DType::BF16 => "matmul_bf16", DType::BF16 => "matmul_bf16",
DType::U8 => "matmul_fp8",
_ => unimplemented!("{dtype:?} matmul bench not implemented"), _ => unimplemented!("{dtype:?} matmul bench not implemented"),
}; };
let mut group = c.benchmark_group(device.bench_name(name)); let mut group = c.benchmark_group(device.bench_name(name));
group.throughput(Throughput::Bytes(flops as u64)); group.throughput(Throughput::Bytes(bytes as u64));
group.bench_function("iter", move |b| { group.bench_function("iter", move |b| {
b.iter_custom(|iters| { b.iter_custom(|iters| {
let start = Instant::now(); let start = Instant::now();
@ -42,7 +43,7 @@ fn run_bench(c: &mut Criterion, device: &Device, dtype: DType) {
fn criterion_benchmark(c: &mut Criterion) { fn criterion_benchmark(c: &mut Criterion) {
let handler = BenchDeviceHandler::new().unwrap(); let handler = BenchDeviceHandler::new().unwrap();
let dtypes = vec![DType::F32, DType::F16, DType::BF16, DType::U8]; let dtypes = vec![DType::F32, DType::U8, DType::F16, DType::BF16];
for device in handler.devices { for device in handler.devices {
for dtype in dtypes.clone() { for dtype in dtypes.clone() {
run_bench(c, &device, dtype); run_bench(c, &device, dtype);