Data type support#

This topic lists the data type support for the hipSPARSELt library on AMD and NVIDIA GPUs. The icons representing different levels of support are explained in the following table.

Icon

Definition

Not supported

Full support

For more information about data type support for the other ROCm libraries, see Data types and precision support page.

Supported input and output types#

List of supported input and output types:

Table 1 Supported Input/Output Types#

Input/output types

Library data type

AMD supports

CUDA supports

int8

HIP_R_8I

float8

HIP_R_8F_E4M3

bfloat8

HIP_R_8F_E5M2

int16

Not supported

float16

HIP_R_16F

bfloat16

HIP_R_16BF

int32

HIP_R_32I

tensorfloat32

Not supported

float32

HIP_R_32F

float64

Not supported

Supported accumulator types#

List of supported accumulator types:

Table 2 Supported Compute Types#

Accumulator types

Library data type

AMD supports

CUDA supports

int8

Not supported

float8

Not supported

bfloat8

Not supported

int16

Not supported

float16

HIPSPARSELT_COMPUTE_16F

bfloat16

Not supported

int32

HIPSPARSELT_COMPUTE_32I

tensorfloat32

Not supported

float32

HIPSPARSELT_COMPUTE_32F

float64

Not supported

Supported compute types#

List of supported compute types for specific input and output types:

Input A/B

Input C

Output D

Compute type

Backend

Support LLVM target for HIP backend

HIP_R_32F

HIP_R_32F

HIP_R_32F

HIPSPARSELT_COMPUTE_32F

CUDA

HIP_R_16F

HIP_R_16F

HIP_R_16F

HIPSPARSELT_COMPUTE_32F

HIP / CUDA

gfx942, gfx950

HIP_R_16F

HIP_R_16F

HIP_R_16F

HIPSPARSELT_COMPUTE_16F

CUDA

HIP_R_16BF

HIP_R_16BF

HIP_R_16BF

HIPSPARSELT_COMPUTE_32F

HIP / CUDA

gfx942, gfx950

HIP_R_8I

HIP_R_8I

HIP_R_8I

HIPSPARSELT_COMPUTE_32I

HIP / CUDA

gfx942, gfx950

HIP_R_8I

HIP_R_32I

HIP_R_32I

HIPSPARSELT_COMPUTE_32I

CUDA

HIP_R_8I

HIP_R_16F

HIP_R_16F

HIPSPARSELT_COMPUTE_32I

HIP / CUDA

gfx942, gfx950

HIP_R_8I

HIP_R_16BF

HIP_R_16BF

HIPSPARSELT_COMPUTE_32I

HIP / CUDA

gfx942, gfx950

HIP_R_8F_E4M3

HIP_R_16F

HIP_R_8F_E4M3

HIPSPARSELT_COMPUTE_32F

CUDA

HIP_R_8F_E4M3

HIP_R_16BF

HIP_R_8F_E4M3

HIPSPARSELT_COMPUTE_32F

CUDA

HIP_R_8F_E4M3

HIP_R_16F

HIP_R_16F

HIPSPARSELT_COMPUTE_32F

CUDA

HIP_R_8F_E4M3

HIP_R_16BF

HIP_R_16BF

HIPSPARSELT_COMPUTE_32F

CUDA

HIP_R_8F_E4M3

HIP_R_32F

HIP_R_32F

HIPSPARSELT_COMPUTE_32F

HIP / CUDA

gfx950

HIP_R_8F_E5M2

HIP_R_16F

HIP_R_8F_E5M2

HIPSPARSELT_COMPUTE_32F

CUDA

HIP_R_8F_E5M2

HIP_R_16BF

HIP_R_8F_E5M2

HIPSPARSELT_COMPUTE_32F

CUDA

HIP_R_8F_E5M2

HIP_R_16F

HIP_R_16F

HIPSPARSELT_COMPUTE_32F

CUDA

HIP_R_8F_E5M2

HIP_R_16BF

HIP_R_16BF

HIPSPARSELT_COMPUTE_32F

CUDA

HIP_R_8F_E5M2

HIP_R_32F

HIP_R_32F

HIPSPARSELT_COMPUTE_32F

HIP / CUDA

gfx950