barrel_vectordb_nif (barrel_vectordb v2.1.2)

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Unified NIF wrapper for barrel_vectordb SIMD operations.

Provides access to all NIF-accelerated functions including: - Distance computations (dot product, cosine, euclidean) - TurboQuant ADC distance - Subspace-TurboQuant ADC distance - Binary/list conversions

Summary

Functions

cosine_distance(Bin1, Bin2)

Compute cosine distance: 1 - cos(a, b).

cosine_distance_normalized(Bin1, Bin2)

Compute cosine distance for pre-normalized vectors.

dot_product(Bin1, Bin2)

Compute dot product of two binary vectors.

euclidean_distance(Bin1, Bin2)

Compute Euclidean distance.

from_binary(Bin)

Convert binary vector to list of floats.

simd_info()

Return SIMD backend info.

to_binary(List)

Convert list of floats to binary vector (32-bit floats).

tq_adc_distance(Tables, Code, Bits)

Compute TurboQuant ADC distance.

tq_batch_adc_distance(Tables, Codes, Bits)

Compute TurboQuant ADC distance for multiple codes.

tqs_adc_distance(Tables, Code, Bits, M)

Compute Subspace-TurboQuant ADC distance.

tqs_batch_adc_distance(Tables, Codes, Bits, M)

Compute Subspace-TurboQuant ADC distance for multiple codes.

Functions

cosine_distance(Bin1, Bin2)

-spec cosine_distance(binary(), binary()) -> float().

Compute cosine distance: 1 - cos(a, b).

cosine_distance_normalized(Bin1, Bin2)

-spec cosine_distance_normalized(binary(), binary()) -> float().

Compute cosine distance for pre-normalized vectors.

dot_product(Bin1, Bin2)

-spec dot_product(binary(), binary()) -> float().

Compute dot product of two binary vectors.

euclidean_distance(Bin1, Bin2)

-spec euclidean_distance(binary(), binary()) -> float().

Compute Euclidean distance.

from_binary(Bin)

-spec from_binary(binary()) -> [float()].

Convert binary vector to list of floats.

simd_info()

-spec simd_info() -> avx2 | neon | scalar.

Return SIMD backend info.

to_binary(List)

-spec to_binary([float()]) -> binary().

Convert list of floats to binary vector (32-bit floats).

tq_adc_distance(Tables, Code, Bits)

-spec tq_adc_distance(binary(), binary(), 2..4) -> float().

Compute TurboQuant ADC distance.

tq_batch_adc_distance(Tables, Codes, Bits)

-spec tq_batch_adc_distance(binary(), [binary()], 2..4) -> [float()].

Compute TurboQuant ADC distance for multiple codes.

tqs_adc_distance(Tables, Code, Bits, M)

-spec tqs_adc_distance(binary(), binary(), 2..4, pos_integer()) -> float().

Compute Subspace-TurboQuant ADC distance.

tqs_batch_adc_distance(Tables, Codes, Bits, M)

-spec tqs_batch_adc_distance(binary(), [binary()], 2..4, pos_integer()) -> [float()].

Compute Subspace-TurboQuant ADC distance for multiple codes.