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Diffstat (limited to 'third_party/rust/packed_simd/perf-guide/src/float-math')
4 files changed, 24 insertions, 0 deletions
diff --git a/third_party/rust/packed_simd/perf-guide/src/float-math/approx.md b/third_party/rust/packed_simd/perf-guide/src/float-math/approx.md new file mode 100644 index 0000000000..2237c67ec4 --- /dev/null +++ b/third_party/rust/packed_simd/perf-guide/src/float-math/approx.md @@ -0,0 +1,8 @@ +# Approximate functions + +<!-- TODO: + +Explain that they exists, that they are often _much_ faster, how to use them, +that people should check whether the error is good enough for their +applications. Explain that this error is currently unstable and might change. +--> diff --git a/third_party/rust/packed_simd/perf-guide/src/float-math/fma.md b/third_party/rust/packed_simd/perf-guide/src/float-math/fma.md new file mode 100644 index 0000000000..357748383d --- /dev/null +++ b/third_party/rust/packed_simd/perf-guide/src/float-math/fma.md @@ -0,0 +1,6 @@ +# Fused Multiply Add + +<!-- TODO: +Explain that this is a compound operation, infinite precision, difference +between `mul_add` and `mul_adde`, that LLVM cannot do this by itself, etc. +--> diff --git a/third_party/rust/packed_simd/perf-guide/src/float-math/fp.md b/third_party/rust/packed_simd/perf-guide/src/float-math/fp.md new file mode 100644 index 0000000000..711fcc4fd5 --- /dev/null +++ b/third_party/rust/packed_simd/perf-guide/src/float-math/fp.md @@ -0,0 +1,3 @@ +# Floating-point math + +This chapter contains information pertaining to working with floating-point numbers. diff --git a/third_party/rust/packed_simd/perf-guide/src/float-math/svml.md b/third_party/rust/packed_simd/perf-guide/src/float-math/svml.md new file mode 100644 index 0000000000..266c2531cc --- /dev/null +++ b/third_party/rust/packed_simd/perf-guide/src/float-math/svml.md @@ -0,0 +1,7 @@ +# Short Vector Math Library + +<!-- TODO: +Explain how is short-vector math performed by default (just scalarized libm calls). + +Explain how to enable `sleef`, etc. +--> |