code size benchmark: separate morph function to avoid overhead from scanf/printf
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959d2f9185
commit
eb29fad4b2
3 changed files with 56 additions and 74 deletions
morphisms
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@ -3,12 +3,11 @@
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#include <morphisms/length-prefix.h>
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#include <morphisms/posint.h>
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int main() {
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uint8_t bufA[1024];
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uint8_t bufB[1024];
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scanf("%s", bufA);
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__attribute__((noinline))
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int morph_posint_radix(
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uint8_t * bufA,
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uint8_t * bufB
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) {
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// morph to
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// ℕ ~ <PosInt 10 BigEndian> ~ [~<LengthPrefix x86.UInt64> <Digit 10> ~ Char ~ Ascii]
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{
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@ -23,40 +22,14 @@ int main() {
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struct LengthPrefixUInt8Array * src = (void*) bufB;
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struct LengthPrefixUInt64Array * dst = (void*) bufA;
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length_prefix_array_map_8_to_64( morph_digit_as_char_to_uint64, src, dst );
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/*
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dst->len = src->len;
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for( uint64_t i = 0; i < src->len; ++i )
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morph_digit_as_char_to_uint64( &src->items[i], &dst->items[i] );
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*/
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}
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// morph to
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// ℕ ~ <PosInt 10 LittleEndian> ~ [~<LengthPrefix x86.UInt64> <Digit 10> ~ ℤ_10 ~ x86.UInt64]
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{
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uint64_t const radix = 10;
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struct LengthPrefixUInt64Array * src = (void*) bufA;
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struct LengthPrefixUInt64Array * dst = (void*) bufB;
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morph_posint_endianness( radix, src, dst );
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}
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// morph to
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// ℕ ~ <PosInt 16 LittleEndian> ~ [~<LengthPrefix x86.UInt64> <Digit 16> ~ ℤ_16 ~ x86.UInt64]
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{
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uint64_t const src_radix = 10;
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uint64_t const dst_radix = 16;
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struct LengthPrefixUInt64Array * src = (void*) bufB;
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struct LengthPrefixUInt64Array * dst = (void*) bufA;
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morph_posint_radix( src_radix, dst_radix, src, dst );
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}
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// morph to
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// ℕ ~ <PosInt 16 LittleEndian> ~ [~<LengthPrefix x86.UInt64> <Digit 10> ~ ℤ_10 ~ x86.UInt64]
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{
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uint64_t const radix = 16;
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struct LengthPrefixUInt64Array * src = (void*) bufA;
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struct LengthPrefixUInt64Array * dst = (void*) bufB;
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morph_posint_endianness( radix, src, dst );
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morph_posint_radix_little( src_radix, dst_radix, src, dst );
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}
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// morph to
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@ -66,11 +39,6 @@ int main() {
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struct LengthPrefixUInt8Array * dst = (void*) bufA;
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length_prefix_array_map_64_to_8( morph_digit_as_uint64_to_char, src, dst );
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/*
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dst->len = src->len;
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for( uint64_t i = 0; i < src->len; ++i )
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morph_digit_as_uint64_to_char( &src->items[i], &dst->items[i] );
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*/
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}
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// morph to
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@ -81,6 +49,15 @@ int main() {
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morph_string_as_length_prefix_to_nullterm( src, dst );
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}
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return 0;
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}
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int main() {
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uint8_t bufA[1024];
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uint8_t bufB[1024];
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scanf("%s", bufA);
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morph_posint_radix( bufA, bufB );
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printf("%s\n", bufB);
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return 0;
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