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jhendersonHDF eb72e67ed2 Add predefined datatypes for FP8 formats (#5882)
Adds predefined datatypes for FP8 data in E4M3 and E5M2 formats

Does not add support for any native FP8 types; datatype conversions are performed in software
2025-11-03 15:10:22 -06:00

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Opened "tfloat8.h5" with sec2 driver.
DS8BITSE4M3 Dataset {8/8, 16/16}
Attribute: DS8BITSE4M3 {128}
Type: FP8 E4M3 8-bit float
Location: 1:800
Links: 1
Storage: 128 logical bytes, 128 allocated bytes, 100.00% utilization
Type: FP8 E4M3 8-bit float
DS8BITSE4M3_ALLVALS Dataset {16/16, 16/16}
Attribute: DS8BITSE4M3_ALLVALS {256}
Type: FP8 E4M3 8-bit float
Location: 1:4096
Links: 1
Storage: 256 logical bytes, 256 allocated bytes, 100.00% utilization
Type: FP8 E4M3 8-bit float
DS8BITSE4M3_ALLVALS_CONVERT Dataset {16/16, 16/16}
Attribute: DS8BITSE4M3_ALLVALS_CONVERT {256}
Type: FP8 E4M3 8-bit float
Location: 1:5104
Links: 1
Storage: 256 logical bytes, 256 allocated bytes, 100.00% utilization
Type: FP8 E4M3 8-bit float
DS8BITSE5M2 Dataset {8/8, 16/16}
Attribute: DS8BITSE5M2 {128}
Type: FP8 E5M2 8-bit float
Location: 1:1608
Links: 1
Storage: 128 logical bytes, 128 allocated bytes, 100.00% utilization
Type: FP8 E5M2 8-bit float
DS8BITSE5M2_ALLVALS Dataset {16/16, 16/16}
Attribute: DS8BITSE5M2_ALLVALS {256}
Type: FP8 E5M2 8-bit float
Location: 1:4600
Links: 1
Storage: 256 logical bytes, 256 allocated bytes, 100.00% utilization
Type: FP8 E5M2 8-bit float
DS8BITSE5M2_ALLVALS_CONVERT Dataset {16/16, 16/16}
Attribute: DS8BITSE5M2_ALLVALS_CONVERT {256}
Type: FP8 E5M2 8-bit float
Location: 1:5904
Links: 1
Storage: 256 logical bytes, 256 allocated bytes, 100.00% utilization
Type: FP8 E5M2 8-bit float