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fix: cosine distance #231

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merged 4 commits into from
Jan 6, 2024
Merged

fix: cosine distance #231

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0204f68
fix: cosine distance
kemingy Jan 5, 2024
d355b04
fix sq and pq
kemingy Jan 5, 2024
dd2a597
rebase
kemingy Jan 6, 2024
f3fb3ab
fix doc
kemingy Jan 6, 2024
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12 changes: 6 additions & 6 deletions crates/service/src/prelude/global/f16_cos.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ impl G for F16Cos {
type L2 = F16L2;

fn distance(lhs: &[F16], rhs: &[F16]) -> F32 {
super::f16::cosine(lhs, rhs) * (-1.0)
F32(1.0) - super::f16::cosine(lhs, rhs)
}

fn elkan_k_means_normalize(vector: &mut [F16]) {
Expand Down Expand Up @@ -47,7 +47,7 @@ impl G for F16Cos {
x2 += _x * _x;
y2 += _y * _y;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}

#[multiversion::multiversion(targets(
Expand All @@ -73,7 +73,7 @@ impl G for F16Cos {
x2 += _x * _x;
y2 += _y * _y;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}

#[multiversion::multiversion(targets(
Expand Down Expand Up @@ -103,7 +103,7 @@ impl G for F16Cos {
x2 += _x2;
y2 += _y2;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}

#[multiversion::multiversion(targets(
Expand Down Expand Up @@ -134,7 +134,7 @@ impl G for F16Cos {
x2 += _x2;
y2 += _y2;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}

#[multiversion::multiversion(targets(
Expand Down Expand Up @@ -166,7 +166,7 @@ impl G for F16Cos {
x2 += _x2;
y2 += _y2;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}
}

Expand Down
12 changes: 6 additions & 6 deletions crates/service/src/prelude/global/f32_cos.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ impl G for F32Cos {
type L2 = F32L2;

fn distance(lhs: &[F32], rhs: &[F32]) -> F32 {
cosine(lhs, rhs) * (-1.0)
F32(1.0) - cosine(lhs, rhs)
}

fn elkan_k_means_normalize(vector: &mut [F32]) {
Expand Down Expand Up @@ -47,7 +47,7 @@ impl G for F32Cos {
x2 += _x * _x;
y2 += _y * _y;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}

#[multiversion::multiversion(targets(
Expand All @@ -73,7 +73,7 @@ impl G for F32Cos {
x2 += _x * _x;
y2 += _y * _y;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}

#[multiversion::multiversion(targets(
Expand Down Expand Up @@ -103,7 +103,7 @@ impl G for F32Cos {
x2 += _x2;
y2 += _y2;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}

#[multiversion::multiversion(targets(
Expand Down Expand Up @@ -134,7 +134,7 @@ impl G for F32Cos {
x2 += _x2;
y2 += _y2;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}

#[multiversion::multiversion(targets(
Expand Down Expand Up @@ -166,7 +166,7 @@ impl G for F32Cos {
x2 += _x2;
y2 += _y2;
}
xy / (x2 * y2).sqrt() * (-1.0)
F32(1.0) - xy / (x2 * y2).sqrt()
}
}

Expand Down
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