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/// Helper functions to plug cuda kernels in candle.
use crate::{Layout, Result, Shape, WithDType};
pub use cudarc;
use cudarc::driver::{CudaSlice, DeviceRepr, ValidAsZeroBits};
use super::{CudaDevice, CudaError, WrapErr};
pub type S = super::CudaStorageSlice;
pub trait Map1 {
fn f<T: DeviceRepr + WithDType + ValidAsZeroBits>(
&self,
src: &CudaSlice<T>,
dev: &CudaDevice,
layout: &Layout,
) -> Result<CudaSlice<T>>;
fn map(&self, s: &S, d: &CudaDevice, l: &Layout) -> Result<S> {
let out = match s {
S::U8(s) => S::U8(self.f(s, d, l)?),
S::U32(s) => S::U32(self.f(s, d, l)?),
S::I64(s) => S::I64(self.f(s, d, l)?),
S::BF16(s) => S::BF16(self.f(s, d, l)?),
S::F16(s) => S::F16(self.f(s, d, l)?),
S::F32(s) => S::F32(self.f(s, d, l)?),
S::F64(s) => S::F64(self.f(s, d, l)?),
};
Ok(out)
}
}
pub trait Map2 {
fn f<T: DeviceRepr + WithDType + ValidAsZeroBits>(
&self,
src1: &CudaSlice<T>,
layout1: &Layout,
src2: &CudaSlice<T>,
layout2: &Layout,
dev: &CudaDevice,
) -> Result<CudaSlice<T>>;
fn map(&self, s1: &S, l1: &Layout, s2: &S, l2: &Layout, d: &CudaDevice) -> Result<S> {
let out = match (s1, s2) {
(S::U8(s1), S::U8(s2)) => S::U8(self.f(s1, l1, s2, l2, d)?),
(S::U32(s1), S::U32(s2)) => S::U32(self.f(s1, l1, s2, l2, d)?),
(S::I64(s1), S::I64(s2)) => S::I64(self.f(s1, l1, s2, l2, d)?),
(S::BF16(s1), S::BF16(s2)) => S::BF16(self.f(s1, l1, s2, l2, d)?),
(S::F16(s1), S::F16(s2)) => S::F16(self.f(s1, l1, s2, l2, d)?),
(S::F32(s1), S::F32(s2)) => S::F32(self.f(s1, l1, s2, l2, d)?),
(S::F64(s1), S::F64(s2)) => S::F64(self.f(s1, l1, s2, l2, d)?),
_ => Err(CudaError::InternalError("dtype mismatch in binary op"))?,
};
Ok(out)
}
}
pub trait Map3 {
#[allow(clippy::too_many_arguments)]
fn f<T: DeviceRepr + WithDType + ValidAsZeroBits>(
&self,
src1: &CudaSlice<T>,
layout1: &Layout,
src2: &CudaSlice<T>,
layout2: &Layout,
src3: &CudaSlice<T>,
layout3: &Layout,
dev: &CudaDevice,
) -> Result<CudaSlice<T>>;
#[allow(clippy::too_many_arguments)]
fn map(
&self,
s1: &S,
l1: &Layout,
s2: &S,
l2: &Layout,
s3: &S,
l3: &Layout,
d: &CudaDevice,
) -> Result<S> {
let out = match (s1, s2, s3) {
(S::U8(s1), S::U8(s2), S::U8(s3)) => S::U8(self.f(s1, l1, s2, l2, s3, l3, d)?),
(S::U32(s1), S::U32(s2), S::U32(s3)) => S::U32(self.f(s1, l1, s2, l2, s3, l3, d)?),
(S::I64(s1), S::I64(s2), S::I64(s3)) => S::I64(self.f(s1, l1, s2, l2, s3, l3, d)?),
(S::BF16(s1), S::BF16(s2), S::BF16(s3)) => S::BF16(self.f(s1, l1, s2, l2, s3, l3, d)?),
(S::F16(s1), S::F16(s2), S::F16(s3)) => S::F16(self.f(s1, l1, s2, l2, s3, l3, d)?),
(S::F32(s1), S::F32(s2), S::F32(s3)) => S::F32(self.f(s1, l1, s2, l2, s3, l3, d)?),
(S::F64(s1), S::F64(s2), S::F64(s3)) => S::F64(self.f(s1, l1, s2, l2, s3, l3, d)?),
_ => Err(CudaError::InternalError("dtype mismatch in ternary op"))?,
};
Ok(out)
}
}
pub trait Map2InPlace {
fn f<T: DeviceRepr + WithDType + ValidAsZeroBits>(
&self,
dst: &mut CudaSlice<T>,
dst_shape: &Shape,
src: &CudaSlice<T>,
src_l: &Layout,
dev: &CudaDevice,
) -> Result<()>;
fn map(
&self,
dst: &mut S,
dst_s: &Shape,
src: &S,
src_l: &Layout,
d: &CudaDevice,
) -> Result<()> {
match (dst, src) {
(S::U8(dst), S::U8(src)) => self.f(dst, dst_s, src, src_l, d),
(S::U32(dst), S::U32(src)) => self.f(dst, dst_s, src, src_l, d),
(S::I64(dst), S::I64(src)) => self.f(dst, dst_s, src, src_l, d),
(S::BF16(dst), S::BF16(src)) => self.f(dst, dst_s, src, src_l, d),
(S::F16(dst), S::F16(src)) => self.f(dst, dst_s, src, src_l, d),
(S::F32(dst), S::F32(src)) => self.f(dst, dst_s, src, src_l, d),
(S::F64(dst), S::F64(src)) => self.f(dst, dst_s, src, src_l, d),
_ => Err(CudaError::InternalError("dtype mismatch in binary op"))?,
}
}
}
pub trait Map1Any {
fn f<T: DeviceRepr + WithDType + ValidAsZeroBits, W: Fn(CudaSlice<T>) -> S>(
&self,
src: &CudaSlice<T>,
dev: &CudaDevice,
layout: &Layout,
wrap: W,
) -> Result<S>;
fn map(&self, s: &S, d: &CudaDevice, l: &Layout) -> Result<S> {
let out = match s {
S::U8(s) => self.f(s, d, l, S::U8)?,
S::U32(s) => self.f(s, d, l, S::U32)?,
S::I64(s) => self.f(s, d, l, S::I64)?,
S::BF16(s) => self.f(s, d, l, S::BF16)?,
S::F16(s) => self.f(s, d, l, S::F16)?,
S::F32(s) => self.f(s, d, l, S::F32)?,
S::F64(s) => self.f(s, d, l, S::F64)?,
};
Ok(out)
}
}
pub trait Map2Any {
fn f<T: DeviceRepr + WithDType + ValidAsZeroBits>(
&self,
src1: &CudaSlice<T>,
layout1: &Layout,
src2: &CudaSlice<T>,
layout2: &Layout,
dev: &CudaDevice,
) -> Result<S>;
fn map(&self, s1: &S, l1: &Layout, s2: &S, l2: &Layout, d: &CudaDevice) -> Result<S> {
let out = match (s1, s2) {
(S::U8(s1), S::U8(s2)) => self.f(s1, l1, s2, l2, d)?,
(S::U32(s1), S::U32(s2)) => self.f(s1, l1, s2, l2, d)?,
(S::I64(s1), S::I64(s2)) => self.f(s1, l1, s2, l2, d)?,
(S::BF16(s1), S::BF16(s2)) => self.f(s1, l1, s2, l2, d)?,
(S::F16(s1), S::F16(s2)) => self.f(s1, l1, s2, l2, d)?,
(S::F32(s1), S::F32(s2)) => self.f(s1, l1, s2, l2, d)?,
(S::F64(s1), S::F64(s2)) => self.f(s1, l1, s2, l2, d)?,
_ => Err(CudaError::InternalError("dtype mismatch in binary op")).w()?,
};
Ok(out)
}
}
|
