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Added alternate reduce-add/reduce-mul intrinsics.

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The new reduce_add/reduce_mul procs perform the corresponding arithmetic
reduction in different orders than sequential order. These alternative
orders can often offer better SIMD hardware utilization.

Two different orders are added: pair-wise (operating on pairs of
adjacent elements) or bisection-wise (operating element-wise on the
first and last N/2 elements of the vector).
This commit is contained in:
Barinzaya
2025-05-05 16:38:45 -04:00
parent 9814370659
commit dd5b7852ce
5 changed files with 274 additions and 2 deletions
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base/intrinsics/intrinsics.odin
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@@ -274,8 +274,12 @@ simd_lanes_ge :: proc(a, b: #simd[N]T) -> #simd[N]Integer ---
simd_extract :: proc(a: #simd[N]T, idx: uint) -> T ---
simd_replace :: proc(a: #simd[N]T, idx: uint, elem: T) -> #simd[N]T ---
simd_reduce_add_bisect :: proc(a: #simd[N]T) -> T where type_is_integer(T) || type_is_float(T)---
simd_reduce_mul_bisect :: proc(a: #simd[N]T) -> T where type_is_integer(T) || type_is_float(T)---
simd_reduce_add_ordered :: proc(a: #simd[N]T) -> T where type_is_integer(T) || type_is_float(T)---
simd_reduce_mul_ordered :: proc(a: #simd[N]T) -> T where type_is_integer(T) || type_is_float(T)---
simd_reduce_add_pairs :: proc(a: #simd[N]T) -> T where type_is_integer(T) || type_is_float(T)---
simd_reduce_mul_pairs :: proc(a: #simd[N]T) -> T where type_is_integer(T) || type_is_float(T)---
simd_reduce_min :: proc(a: #simd[N]T) -> T where type_is_integer(T) || type_is_float(T)---
simd_reduce_max :: proc(a: #simd[N]T) -> T where type_is_integer(T) || type_is_float(T)---
simd_reduce_and :: proc(a: #simd[N]T) -> T where type_is_integer(T) || type_is_float(T)---