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unneccesary bounds check

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Magnus Ulimoen
2019-12-14 01:31:20 +01:00
parent 195bbc3ef2
commit bf7685e453
1 changed files with 5 additions and 4 deletions
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9
src/operators/upwind4.rs
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@@ -25,8 +25,9 @@ macro_rules! diff_simd_row_7_47 {
assert_eq!(prev.shape(), fut.shape()); assert_eq!(prev.shape(), fut.shape());
assert!(prev.len_of(Axis(1)) >= 2 * $BLOCK.len()); assert!(prev.len_of(Axis(1)) >= 2 * $BLOCK.len());
assert!(prev.len() >= f32x8::lanes()); assert!(prev.len() >= f32x8::lanes());
// The prev array must have contigous last dimension // The prev and fut array must have contigous last dimension
assert_eq!(prev.strides()[1], 1); assert_eq!(prev.strides()[1], 1);
assert_eq!(fut.strides()[1], 1);
let nx = prev.len_of(Axis(1)); let nx = prev.len_of(Axis(1));
let dx = 1.0 / (nx - 1) as f32; let dx = 1.0 / (nx - 1) as f32;
@@ -254,7 +255,7 @@ macro_rules! diff_simd_col_7_47 {
+ a[6] * bl[6]); + a[6] * bl[6]);
unsafe { unsafe {
b.write_to_slice_unaligned(slice::from_raw_parts_mut( b.write_to_slice_unaligned(slice::from_raw_parts_mut(
fut.slice_mut(s![j.., nx - 1 - i]).as_mut_ptr(), fut.uget_mut((j, nx - 1 - i)) as *mut f32,
SimdT::lanes(), SimdT::lanes(),
)); ));
} }
@@ -311,7 +312,7 @@ impl SbpOperator for Upwind4 {
assert!(prev.shape()[1] >= 2 * Self::BLOCK.len()); assert!(prev.shape()[1] >= 2 * Self::BLOCK.len());
match (prev.strides(), fut.strides()) { match (prev.strides(), fut.strides()) {
([_, 1], [_, _]) => { ([_, 1], [_, 1]) => {
Self::diff_simd_row(prev, fut); Self::diff_simd_row(prev, fut);
} }
([1, _], [1, _]) if prev.len_of(Axis(0)) % SimdT::lanes() == 0 => { ([1, _], [1, _]) if prev.len_of(Axis(0)) % SimdT::lanes() == 0 => {
@@ -431,7 +432,7 @@ impl UpwindOperator for Upwind4 {
assert!(prev.shape()[1] >= 2 * Self::BLOCK.len()); assert!(prev.shape()[1] >= 2 * Self::BLOCK.len());
match (prev.strides(), fut.strides()) { match (prev.strides(), fut.strides()) {
([_, 1], [_, _]) => { ([_, 1], [_, 1]) => {
Self::diss_simd_row(prev, fut); Self::diss_simd_row(prev, fut);
} }
([1, _], [1, _]) if prev.len_of(Axis(0)) % SimdT::lanes() == 0 => { ([1, _], [1, _]) if prev.len_of(Axis(0)) % SimdT::lanes() == 0 => {