Progress of CUDA kernelize (Feature point of View)

[sonots]

Store

https://github.com/ruby-numo/narray/wiki/Numo::NArray%E6%A6%82%E8%A6%81#%E8%A6%81%E7%B4%A0%E3%81%AE%E6%A0%BC%E7%B4%8D

• store(another_array)
• fill(item)
• seq([begin, step]), indgen
• logseq(begin, step [,base])
• eye([element, offset])
• rand([[low,] high])

Data Creation

https://github.com/ruby-numo/narray/wiki/Numo::NArray%E6%A6%82%E8%A6%81#%E3%83%87%E3%83%BC%E3%82%BF%E7%94%9F%E6%88%90

• Cumo::DFloat[1,2,3,5,7,11]
• Cumo::DFloat[1..100]
• Cumo::DFloat.cast(Cumo::Int32[1,2,3,5,7,11])
• Cumo::DFloat.zeros(120)
• Cumo::DFloat.ones(2,4,6)
• Cumo::DFloat.linspace(-5,5,7)
• Cumo::DFloat.logspace(4,0,5,2)

Indexing

https://github.com/ruby-numo/narray/wiki/Numo::NArray%E6%A6%82%E8%A6%81#%E9%85%8D%E5%88%97%E3%81%AE%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9

• a[1,2,3] (synchronizes, though)
• a[39] (synchronizes, though)

View

https://github.com/ruby-numo/narray/wiki/Numo::NArray%E6%A6%82%E8%A6%81#%E9%85%8D%E5%88%97%E3%81%AE%E3%83%93%E3%83%A5%E3%83%BC

Reshape

https://github.com/ruby-numo/narray/wiki/Numo::NArray%E6%A6%82%E8%A6%81#%E9%85%8D%E5%88%97%E6%93%8D%E4%BD%9C

• flatten([dim0,dim1,...])
• transpose([dim0,dim1,...])
• expand_dims(dim)
• diagonal(offset, [ax1,ax2])
• reshape

Operations

https://github.com/ruby-numo/narray/wiki/Numo::NArray%E6%A6%82%E8%A6%81#%E9%85%8D%E5%88%97%E6%BC%94%E7%AE%97

• + (binary)
• - (binary)
• * (binary)
• / (binary)
• % (binary)
• divmod (binary2)
• ** (pow)
• -@ (unary_s)
• abs (unary2)

All of upcast, broadcast, coerce, inplace operations are supported by numo #framework.

Condition and Bit

https://github.com/ruby-numo/narray/wiki/Numo::NArray%E6%A6%82%E8%A6%81#%E6%9D%A1%E4%BB%B6%E5%BC%8F%E3%81%A8bit%E5%9E%8B

narray

• eq (binary)
• ne (binary)
• gt (>) (cond_binary)
• ge (>=) (cond_binary)
• lt (<) (cond_binary)
• le (<=) (cond_binary)
• neary_eq (cond_unary)
• isnan (cond_unary)
• isinf (cond_unary)
• isfinite (cond_unary)

Bit

• and (&)
• or (|)
• xor (^)
• not (~)
• count_true
• count_false
• all?
• any?
• none?
• where

Statistics

https://github.com/ruby-numo/narray/wiki/Numo::NArray%E6%A6%82%E8%A6%81#%E7%B5%B1%E8%A8%88%E3%83%A1%E3%82%BD%E3%83%83%E3%83%89

• sum
• prod
• mean
• stddev
• var
• rms
• min
• min_index
• max
• max_index
• minmax
• cumsum
• cumprod
• sort
• sort_index
• median

Math

https://github.com/ruby-numo/narray/wiki/Numo::NArray%E6%A6%82%E8%A6%81#nmath

unary functions

• reciprocal
• sign
• square
• floor (float)
• round (float)
• ceil (float)
• trunc (float)
• rint (float)
• conj (complex)
• im (complex)
• sqrt
• pow
• exp
• log
• 三角関数

[sonots]

For red-chainer mnist:

• Warning: Method "rand" for dtype "dfloat" is running under CPU.
• Warning: Method "dfloat" for dtype "DFloat" is running under CPU.
• Warning: Method "array" for dtype "int32" is running under CPU.
• Warning: Method "uint8" for dtype "UInt8" is running under CPU.
• Warning: Method "uint8" for dtype "UInt8" is running under CPU.
• Warning: Method "array" for dtype "int64" is running under CPU.
• Warning: Method "array" for dtype "dfloat" is running under CPU.
• Warning: Method "rand_norm" for dtype "dfloat" is running under CPU.
• Warning: Method "le" for dtype "dfloat" is running under CPU.
• Warning: Method "int64" for dtype "Int64" is running under CPU.
• Warning: Method "int32" for dtype "Int32" is running under CPU.
• Warning: Method "lt" for dtype "int32" is running under CPU.
• Warning: Method "seq" for dtype "int32" is running under CPU.
• Warning: Method "int32" for dtype "Int32" is running under CPU.
• Warning: Method "eq" for dtype "dfloat" is running under CPU.
• Warning: Method "ne" for dtype "int32" is running under CPU.
• Warning: Method "max_index" for dtype "dfloat" is running under CPU.
• Warning: Method "int32" for dtype "Int32" is running under CPU.
• Warning: Method "bit" for dtype "Bit" is running under CPU.
• Warning: Method "gt" for dtype "dfloat" is running under CPU.