Module simd

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

SIMD compiler intrinsics.

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

Functions

simd_add^⚠Experimental

Adds two simd vectors elementwise.

simd_and^⚠Experimental

“Ands” vectors elementwise.

simd_arith_offset^⚠Experimental

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

simd_as^⚠Experimental

Numerically casts a vector, elementwise.

simd_bitmask^⚠Experimental

Truncates an integer vector to a bitmask.

simd_bitreverse^⚠Experimental

Reverses bits of each element.

simd_bswap^⚠Experimental

Swaps bytes of each element.

simd_cast^⚠Experimental

Numerically casts a vector, elementwise.

simd_cast_ptr^⚠Experimental

Casts a vector of pointers.

simd_ceil^⚠Experimental

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

simd_ctlz^⚠Experimental

Counts the leading zeros of each element.

simd_ctpop^⚠Experimental

Counts the number of ones in each element.

simd_cttz^⚠Experimental

Counts the trailing zeros of each element.

simd_div^⚠Experimental

Divides lhs by rhs elementwise.

simd_eq^⚠Experimental

Tests elementwise equality of two vectors.

simd_expose_provenance^⚠Experimental

Exposes a vector of pointers as a vector of addresses.

simd_extract^⚠Experimental

Extracts an element from a vector.

simd_fabs^⚠Experimental

Returns absolute value of a vector, elementwise.

simd_fcos^⚠Experimental

T must be a vector of floats.

simd_fexp^⚠Experimental

T must be a vector of floats.

simd_fexp2^⚠Experimental

T must be a vector of floats.

simd_flog^⚠Experimental

T must be a vector of floats.

simd_flog2^⚠Experimental

T must be a vector of floats.

simd_flog10^⚠Experimental

T must be a vector of floats.

simd_floor^⚠Experimental

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

simd_fma^⚠Experimental

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

simd_fmax^⚠Experimental

Returns the maximum of two vectors, elementwise.

simd_fmin^⚠Experimental

Returns the minimum of two vectors, elementwise.

simd_fsin^⚠Experimental

T must be a vector of floats.

simd_fsqrt^⚠Experimental

Takes the square root of each element.

simd_gather^⚠Experimental

Reads a vector of pointers.

simd_ge^⚠Experimental

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

simd_gt^⚠Experimental

Tests if x is greater than y, elementwise.

simd_insert^⚠Experimental

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

simd_le^⚠Experimental

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

simd_lt^⚠Experimental

Tests if x is less than y, elementwise.

simd_masked_load^⚠Experimental

Reads a vector of pointers.

simd_masked_store^⚠Experimental

Writes to a vector of pointers.

simd_mul^⚠Experimental

Multiplies two simd vectors elementwise.

simd_ne^⚠Experimental

Tests elementwise inequality equality of two vectors.

simd_neg^⚠Experimental

Negates a vector elementwise.

simd_or^⚠Experimental

“Ors” vectors elementwise.

simd_reduce_add_ordered^⚠Experimental

Adds elements within a vector from left to right.

simd_reduce_add_unordered^⚠Experimental

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

simd_reduce_all^⚠Experimental

Checks if all mask values are true.

simd_reduce_and^⚠Experimental

Logical “ands” all elements together.

simd_reduce_any^⚠Experimental

Checks if any mask value is true.

simd_reduce_max^⚠Experimental

Returns the maximum element of a vector.

simd_reduce_min^⚠Experimental

Returns the minimum element of a vector.

simd_reduce_mul_ordered^⚠Experimental

Multiplies elements within a vector from left to right.

simd_reduce_mul_unordered^⚠Experimental

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

simd_reduce_or^⚠Experimental

Logical “ors” all elements together.

simd_reduce_xor^⚠Experimental

Logical “exclusive ors” all elements together.

simd_relaxed_fma^⚠Experimental

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^⚠Experimental

Returns remainder of two vectors elementwise.

simd_round^⚠Experimental

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

simd_saturating_add^⚠Experimental

Adds two simd vectors elementwise, with saturation.

simd_saturating_sub^⚠Experimental

Subtracts two simd vectors elementwise, with saturation.

simd_scatter^⚠Experimental

Writes to a vector of pointers.

simd_select^⚠Experimental

Selects elements from a mask.

simd_select_bitmask^⚠Experimental

Selects elements from a bitmask.

simd_shl^⚠Experimental

Shifts vector left elementwise, with UB on overflow.

simd_shr^⚠Experimental

Shifts vector right elementwise, with UB on overflow.

simd_shuffle^⚠Experimental

Shuffles two vectors by const indices.

simd_sub^⚠Experimental

Subtracts rhs from lhs elementwise.

simd_trunc^⚠Experimental

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^⚠Experimental

Creates a vector of pointers from a vector of addresses.

simd_xor^⚠Experimental

“Exclusive ors” vectors elementwise.