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:BLBUBCVOFTXJGU .FFUIJHIQFSGPSNBODF JNBHFGJMUFSJOHJO4XJGU !LOULZNU

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*OEFY w8IBUJTlJNBHF fi MUFSJOHz w)PXUPBDDFMFSBUFJUPO$16 w*OlllQVSFzzz4XJGU

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*OEFY w8IBUJTlJNBHF fi MUFSJOHz w)PXUPBDDFMFSBUFJUPO$16 w*OlllQVSFzzz4XJGU /PUF*XJMM/05UBMLBCPVU$*'JMUFS

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*OEFY w8IBUJTlJNBHF fi MUFSJOHz w)PXUPBDDFMFSBUFJUPO$16 w*OlllQVSFzzz4XJGU

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*NBHF'JMUFSJOH wFH (BVTTJBO'JMUFS w6TFEGPS w&EHF 'FBUVSFEFUFDUJPO w/PJTF3FEVDUJPO

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#PY'JMUFS wBLB"WFSBHF'JMUFS

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS let input: [[UInt8]] = … var output: [[UInt8]] = … for j in 0..

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#PY'JMUFS wBLB"WFSBHF'JMUFS

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*OEFY w8IBUJTlJNBHF fi MUFSJOHz w)PXUPBDDFMFSBUFJUPO$16 w*OlllQVSFzzz4XJGU

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"DDFMFSBUFJNBHFGJMUFSJOH w "MHPSJUIN w )BSEXBSF1SPHSBNJOH-BOHVBHF

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"DDFMFSBUFJNBHFGJMUFSJOH w "MHPSJUIN w /BJWF0 3? w 4FQBSBCMF'JMUFSJOH0 3 w *OUFHSBM*NBHF0

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"DDFMFSBUFJNBHFGJMUFSJOH w "MHPSJUIN w /BJWF0 3? w 4FQBSBCMF'JMUFSJOH0 3 w *OUFHSBM*NBHF0

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"DDFMFSBUFJNBHFGJMUFSJOH w "MHPSJUIN w /BJWF0 3? w 4FQBSBCMF'JMUFSJOH0 3 w *OUFHSBM*NBHF0 LJOE UJNF /BJWF 4FQBSBCMF Y HSBZTDBMF 3 .1SP $PSF Y

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"DDFMFSBUFJNBHFGJMUFSJOH w )BSEXBSF1SPHSBNJOH-BOHVBHF w 4*.%

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4*.% w 4JOHMF*OTUSVDUJPO.VMUJQMF%BUB w *OTUSVDUJPOTGPSCJUT w 9@44& "79 "79 w "3./&0/

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4XJGU4*.%7FDUPS5ZQFT

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w *OTJEFUIF4UBOEBSE-JCSBSZ 4XJGUd 4XJGU4*.%7FDUPS5ZQFT

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4XJGU4*.%7FDUPS5ZQFT let a0: UInt16 = 1 let a1: UInt16 = 2 … let b0: UInt16 = 9 let b1: UInt16 = 10 … a1 + b1 a2 + b2 … a7 + b7 ldrh w0, … ldrh w1, … ldrh w2, … ldrh w3, … … ldrh w15, … add w0, w0, w1 add w2, w2, w3 … add w14, w14, w15

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4XJGU4*.%7FDUPS5ZQFT let a = SIMD8(1, 2, 3, …) let b = SIMD8(9, 10, 11, …) a &+ b ldr q0 … ldr q1 … add.8h v0, v0, v1 let a0: UInt16 = 1 let a1: UInt16 = 2 … let b0: UInt16 = 9 let b1: UInt16 = 10 … a1 + b1 a2 + b2 … a7 + b7 ldrh w0, … ldrh w1, … ldrh w2, … ldrh w3, … … ldrh w15, … add w0, w0, w1 add w2, w2, w3 … add w14, w14, w15

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#PY'JMUFSVTJOH4*.% for y in 0...zero for k in 0..(yresult[startIndex..

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#PY'JMUFSVTJOH4*.%XJUI1PJOUFS let imagePointer: UnsafeMutablePointer = … var resultPointer: UnsafeMutableBufferPointer = … let weightSIMD = SIMD16(repeating: UInt16(L * L)) let widthExtended = width + 2 * radius // ຖճdeallocate͠ͳ͍ͱϝϞϦϦʔΫ͢Δ͕ // Ұ൪࠷ޙͷ࣮ݧ݁Ռ͸ඞཁͳͨΊઌ಄Ͱߦ͏ resultPointer.deinitialize() resultPointer.deallocate() resultPointer = .allocate(capacity: width * height) resultPointer.initialize(repeating: .zero) let extendedPointer: UnsafeMutableBufferPointer> = .allocate(capacity: L) for k in 0...allocate(capacity: widthExtended) yresultPointer.initialize(repeating: .zero) for y in 0...zero for k in 0..(extendedPointer[k][x...zero for k in 0..(extendedPointer[k][offset...zero for k in 0..(yresultPointer[startIndex...zero for k in 0..(yresultPointer[startIndex..

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#PY'JMUFSVTJOH4*.%XJUI1PJOUFS let imagePointer: UnsafeMutablePointer = … var resultPointer: UnsafeMutableBufferPointer = … let weightSIMD = SIMD16(repeating: UInt16(L * L)) let widthExtended = width + 2 * radius // ຖճdeallocate͠ͳ͍ͱϝϞϦϦʔΫ͢Δ͕ // Ұ൪࠷ޙͷ࣮ݧ݁Ռ͸ඞཁͳͨΊઌ಄Ͱߦ͏ resultPointer.deinitialize() resultPointer.deallocate() resultPointer = .allocate(capacity: width * height) resultPointer.initialize(repeating: .zero) let extendedPointer: UnsafeMutableBufferPointer> = .allocate(capacity: L) for k in 0...allocate(capacity: widthExtended) yresultPointer.initialize(repeating: .zero) for y in 0...zero for k in 0..(extendedPointer[k][x...zero for k in 0..(extendedPointer[k][offset...zero for k in 0..(yresultPointer[startIndex...zero for k in 0..(yresultPointer[startIndex.. /BJWF 4FQBSBCMF 4FQBSBCMF 4*.%1PJOUFS Y Y

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#PY'JMUFSVTJOH4*.%XJUI1PJOUFS let imagePointer: UnsafeMutablePointer = … var resultPointer: UnsafeMutableBufferPointer = … let weightSIMD = SIMD16(repeating: UInt16(L * L)) let widthExtended = width + 2 * radius // ຖճdeallocate͠ͳ͍ͱϝϞϦϦʔΫ͢Δ͕ // Ұ൪࠷ޙͷ࣮ݧ݁Ռ͸ඞཁͳͨΊઌ಄Ͱߦ͏ resultPointer.deinitialize() resultPointer.deallocate() resultPointer = .allocate(capacity: width * height) resultPointer.initialize(repeating: .zero) let extendedPointer: UnsafeMutableBufferPointer> = .allocate(capacity: L) for k in 0...allocate(capacity: widthExtended) yresultPointer.initialize(repeating: .zero) for y in 0...zero for k in 0..(extendedPointer[k][x...zero for k in 0..(extendedPointer[k][offset...zero for k in 0..(yresultPointer[startIndex...zero for k in 0..(yresultPointer[startIndex.. /BJWF 4FQBSBCMF 4FQBSBCMF 4*.%1PJOUFS

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LJOE UJNF /BJWF 4FQBSBCMF 4FQBSBCMF 4*.%1PJOUFS #PY'JMUFSVTJOH4*.%XJUI1PJOUFS let imagePointer: UnsafeMutablePointer = … var resultPointer: UnsafeMutableBufferPointer = … let weightSIMD = SIMD16(repeating: UInt16(L * L)) let widthExtended = width + 2 * radius // ຖճdeallocate͠ͳ͍ͱϝϞϦϦʔΫ͢Δ͕ // Ұ൪࠷ޙͷ࣮ݧ݁Ռ͸ඞཁͳͨΊઌ಄Ͱߦ͏ resultPointer.deinitialize() resultPointer.deallocate() resultPointer = .allocate(capacity: width * height) resultPointer.initialize(repeating: .zero) let extendedPointer: UnsafeMutableBufferPointer> = .allocate(capacity: L) for k in 0...allocate(capacity: widthExtended) yresultPointer.initialize(repeating: .zero) for y in 0...zero for k in 0..(extendedPointer[k][x...zero for k in 0..(extendedPointer[k][offset...zero for k in 0..(yresultPointer[startIndex...zero for k in 0..(yresultPointer[startIndex..

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4VNNBSZ w 4XJGUDBOFWFSZUIJOH w 4XJGUDBOIJHIQFSGPSNBODFQSPDFTTJOH

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3FGFSFODFT w 4&4*.%7FDUPST w IUUQTHJUIVCDPNBQQMFTXJGUFWPMVUJPOCMPCNBJOQSPQPTBMTTJNENE w 4*.% w IUUQTEFWFMPQFSBQQMFDPNEPDVNFOUBUJPOTXJGUTJNE w 4BNQMF$PEF w IUUQTHJUIVCDPNLOULZNUTXJGUJNBHFQSPDFTTJOHTBNQMF

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