Module simd 

🔬This is a nightly-only experimental API. (core_intrinsics)

SIMD compiler intrinsics.

In this module, a “vector” is any repr(simd) type.

Modules

scalableExperimental

Scalable vector compiler intrinsics.

Enums

SimdAlignExperimental

A type for alignment options for SIMD masked load/store intrinsics.

Functions

simd_add^⚠Experimentalvalidated

Adds two simd vectors elementwise.

simd_and^⚠Experimentalvalidated

“And“s vectors elementwise.

simd_arith_offset^⚠Experimentalvalidated

Calculates the offset from a pointer vector elementwise, potentially wrapping.

simd_as^⚠Experimentalvalidated

Numerically casts a vector, elementwise.

simd_bitmask^⚠Experimentalvalidated

Truncates an integer vector to a bitmask.

simd_bitreverse^⚠Experimentalvalidated

Reverses bits of each element.

simd_bswap^⚠Experimentalvalidated

Swaps bytes of each element.

simd_carryless_mul^⚠Experimentalvalidated

Compute the carry-less product.

simd_cast^⚠Experimentalvalidated

Numerically casts a vector, elementwise.

simd_cast_ptr^⚠Experimentalvalidated

Casts a vector of pointers.

simd_ceil^⚠Experimentalvalidated

Rounds up each element to the next highest integer-valued float.

simd_ctlz^⚠Experimentalvalidated

Counts the leading zeros of each element.

simd_ctpop^⚠Experimentalvalidated

Counts the number of ones in each element.

simd_cttz^⚠Experimentalvalidated

Counts the trailing zeros of each element.

simd_div^⚠Experimentalvalidated

Divides lhs by rhs elementwise.

simd_eq^⚠Experimentalvalidated

Tests elementwise equality of two vectors.

simd_expose_provenance^⚠Experimentalvalidated

Exposes a vector of pointers as a vector of addresses.

simd_extract^⚠Experimentalvalidated

Extracts an element from a vector.

simd_extract_dyn^⚠Experimentalvalidated

Extracts an element from a vector.

simd_fabs^⚠Experimentalvalidated

Returns absolute value of a vector, elementwise.

simd_fcos^⚠Experimentalvalidated

T must be a vector of floats.

simd_fexp^⚠Experimentalvalidated

T must be a vector of floats.

simd_fexp2^⚠Experimentalvalidated

T must be a vector of floats.

simd_flog^⚠Experimentalvalidated

T must be a vector of floats.

simd_flog2^⚠Experimentalvalidated

T must be a vector of floats.

simd_flog10^⚠Experimentalvalidated

T must be a vector of floats.

simd_floor^⚠Experimentalvalidated

Rounds down each element to the next lowest integer-valued float.

simd_fma^⚠Experimentalvalidated

Computes (x*y) + z for each element, but without any intermediate rounding.

simd_fsin^⚠Experimentalvalidated

T must be a vector of floats.

simd_fsqrt^⚠Experimentalvalidated

Takes the square root of each element.

simd_funnel_shl^⚠Experimentalvalidated

Funnel Shifts vector left elementwise, with UB on overflow.

simd_funnel_shr^⚠Experimentalvalidated

Funnel Shifts vector right elementwise, with UB on overflow.

simd_gather^⚠Experimentalvalidated

Reads a vector of pointers.

simd_ge^⚠Experimentalvalidated

Tests if x is greater than or equal to y, elementwise.

simd_gt^⚠Experimentalvalidated

Tests if x is greater than y, elementwise.

simd_insert^⚠Experimentalvalidated

Inserts an element into a vector, returning the updated vector.

simd_insert_dyn^⚠Experimentalvalidated

Inserts an element into a vector, returning the updated vector.

simd_le^⚠Experimentalvalidated

Tests if x is less than or equal to y, elementwise.

simd_lt^⚠Experimentalvalidated

Tests if x is less than y, elementwise.

simd_masked_load^⚠Experimentalvalidated

Reads a vector of pointers.

simd_masked_store^⚠Experimentalvalidated

Writes to a vector of pointers.

simd_maximum_number_nsz^⚠Experimentalvalidated

Returns the maximum of two vectors, elementwise.

simd_minimum_number_nsz^⚠Experimentalvalidated

Returns the minimum of two vectors, elementwise.

simd_mul^⚠Experimentalvalidated

Multiplies two simd vectors elementwise.

simd_ne^⚠Experimentalvalidated

Tests elementwise inequality equality of two vectors.

simd_neg^⚠Experimentalvalidated

Negates a vector elementwise.

simd_or^⚠Experimentalvalidated

“Ors” vectors elementwise.

simd_reduce_add_ordered^⚠Experimentalvalidated

Adds elements within a vector from left to right.

simd_reduce_add_unordered^⚠Experimentalvalidated

Adds elements within a vector in arbitrary order. May also be re-associated with unordered additions on the inputs/outputs.

simd_reduce_all^⚠Experimentalvalidated

Checks if all mask values are true.

simd_reduce_and^⚠Experimentalvalidated

Logical “and“s all elements together.

simd_reduce_any^⚠Experimentalvalidated

Checks if any mask value is true.

simd_reduce_max^⚠Experimentalvalidated

Returns the maximum element of a vector.

simd_reduce_min^⚠Experimentalvalidated

Returns the minimum element of a vector.

simd_reduce_mul_ordered^⚠Experimentalvalidated

Multiplies elements within a vector from left to right.

simd_reduce_mul_unordered^⚠Experimentalvalidated

Multiplies elements within a vector in arbitrary order. May also be re-associated with unordered additions on the inputs/outputs.

simd_reduce_or^⚠Experimentalvalidated

Logical “ors” all elements together.

simd_reduce_xor^⚠Experimentalvalidated

Logical “exclusive ors” all elements together.

simd_relaxed_fma^⚠Experimentalvalidated

Computes (x*y) + z for each element, non-deterministically executing either a fused multiply-add or two operations with rounding of the intermediate result.

simd_rem^⚠Experimentalvalidated

Returns remainder of two vectors elementwise.

simd_round^⚠Experimentalvalidated

Rounds each element to the closest integer-valued float. Ties are resolved by rounding away from 0.

simd_round_ties_even^⚠Experimentalvalidated

Rounds each element to the closest integer-valued float. Ties are resolved by rounding to the number with an even least significant digit

simd_saturating_add^⚠Experimentalvalidated

Adds two simd vectors elementwise, with saturation.

simd_saturating_sub^⚠Experimentalvalidated

Subtracts two simd vectors elementwise, with saturation.

simd_scatter^⚠Experimentalvalidated

Writes to a vector of pointers.

simd_select^⚠Experimentalvalidated

Selects elements from a mask.

simd_select_bitmask^⚠Experimentalvalidated

Selects elements from a bitmask.

simd_shl^⚠Experimentalvalidated

Shifts vector left elementwise, with UB on overflow.

simd_shr^⚠Experimentalvalidated

Shifts vector right elementwise, with UB on overflow.

simd_shuffle^⚠Experimentalvalidated

Shuffles two vectors by const indices.

simd_splat^⚠Experimentalvalidated

Creates a vector where every lane has the provided value.

simd_sub^⚠Experimentalvalidated

Subtracts rhs from lhs elementwise.

simd_trunc^⚠Experimentalvalidated

Returns the integer part of each element as an integer-valued float. In other words, non-integer values are truncated towards zero.

simd_with_exposed_provenance^⚠Experimentalvalidated

Creates a vector of pointers from a vector of addresses.

simd_xor^⚠Experimentalvalidated

“Exclusive ors” vectors elementwise.