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Add 3d ndarray set benchmarks
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  • lib/node_modules/@stdlib/ndarray/ctor/benchmark/c

‎lib/node_modules/@stdlib/ndarray/ctor/benchmark/c/benchmark.c‎

Lines changed: 174 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2022,6 +2022,159 @@ double benchmark41() {
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return elapsed;
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}
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/**
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* Runs a benchmark.
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*
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* @return elapsed time in seconds
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*/
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double benchmark42() {
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double elapsed;
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int64_t sub[3];
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uint8_t v;
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double t;
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int8_t s;
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int i;
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uint8_t buffer[] = { 1, 2, 3, 4, 5, 6 };
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int64_t ndims = 3;
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int64_t shape[] = { 1, 3, 2 };
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int64_t strides[] = { 6, 2, 1 };
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int64_t offset = 0;
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int64_t nsubmodes = 1;
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enum STDLIB_NDARRAY_INDEX_MODE mode = STDLIB_NDARRAY_INDEX_ERROR;
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enum STDLIB_NDARRAY_INDEX_MODE submodes[] = { mode };
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struct ndarray *arr = stdlib_ndarray_constructor( STDLIB_NDARRAY_UINT8, buffer, ndims, shape, strides, offset, STDLIB_NDARRAY_ROW_MAJOR, mode, nsubmodes, submodes );
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if ( arr == NULL ) {
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printf( "unable to allocate memory\n" );
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exit( 1 );
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}
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sub[ 0 ] = 0;
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sub[ 2 ] = 1;
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t = tic();
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for ( i = 0; i < ITERATIONS; i++ ) {
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sub[ 1 ] = (int64_t)( rand_double()*shape[1] );
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v = (uint8_t)( rand_double()*255.0 );
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s = stdlib_ndarray_set( arr, sub, (void *)&v );
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if ( s != 0 ) {
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printf( "unexpected result\n" );
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break;
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}
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}
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elapsed = tic() - t;
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if ( s != 0 || *(stdlib_ndarray_get_ptr( arr, sub )) != v ) {
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printf( "unexpected result\n" );
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}
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free( arr );
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return elapsed;
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}
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/**
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* Runs a benchmark.
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*
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* @return elapsed time in seconds
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*/
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double benchmark43() {
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double elapsed;
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int64_t sub[3];
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uint8_t v;
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double t;
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int8_t s;
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int i;
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uint8_t buffer[] = { 1, 2, 3, 4, 5, 6 };
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int64_t ndims = 3;
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int64_t shape[] = { 1, 3, 2 };
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int64_t strides[] = { 6, 2, 1 };
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int64_t offset = 0;
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int64_t nsubmodes = 1;
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enum STDLIB_NDARRAY_INDEX_MODE mode = STDLIB_NDARRAY_INDEX_WRAP;
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enum STDLIB_NDARRAY_INDEX_MODE submodes[] = { mode };
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struct ndarray *arr = stdlib_ndarray_constructor( STDLIB_NDARRAY_UINT8, buffer, ndims, shape, strides, offset, STDLIB_NDARRAY_ROW_MAJOR, mode, nsubmodes, submodes );
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if ( arr == NULL ) {
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printf( "unable to allocate memory\n" );
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exit( 1 );
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}
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sub[ 0 ] = 0;
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sub[ 2 ] = 1;
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t = tic();
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for ( i = 0; i < ITERATIONS; i++ ) {
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sub[ 1 ] = (int64_t)( (rand_double()*30.0)-15.0 );
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v = (uint8_t)( rand_double()*255.0 );
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s = stdlib_ndarray_set( arr, sub, (void *)&v );
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if ( s != 0 ) {
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printf( "unexpected result\n" );
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break;
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}
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}
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elapsed = tic() - t;
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if ( s != 0 || *(stdlib_ndarray_get_ptr( arr, sub )) != v ) {
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printf( "unexpected result\n" );
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}
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free( arr );
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return elapsed;
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}
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/**
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* Runs a benchmark.
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*
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* @return elapsed time in seconds
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*/
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double benchmark44() {
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double elapsed;
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int64_t sub[3];
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uint8_t v;
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double t;
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int8_t s;
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int i;
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uint8_t buffer[] = { 1, 2, 3, 4, 5, 6 };
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int64_t ndims = 3;
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int64_t shape[] = { 1, 3, 2 };
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int64_t strides[] = { 6, 2, 1 };
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int64_t offset = 0;
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int64_t nsubmodes = 1;
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enum STDLIB_NDARRAY_INDEX_MODE mode = STDLIB_NDARRAY_INDEX_CLAMP;
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enum STDLIB_NDARRAY_INDEX_MODE submodes[] = { mode };
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struct ndarray *arr = stdlib_ndarray_constructor( STDLIB_NDARRAY_UINT8, buffer, ndims, shape, strides, offset, STDLIB_NDARRAY_ROW_MAJOR, mode, nsubmodes, submodes );
2150+
if ( arr == NULL ) {
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printf( "unable to allocate memory\n" );
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exit( 1 );
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}
2154+
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sub[ 0 ] = 0;
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sub[ 2 ] = 1;
2157+
2158+
t = tic();
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for ( i = 0; i < ITERATIONS; i++ ) {
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sub[ 1 ] = (int64_t)( (rand_double()*30.0)-15.0 );
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v = (uint8_t)( rand_double()*255.0 );
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s = stdlib_ndarray_set( arr, sub, (void *)&v );
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if ( s != 0 ) {
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printf( "unexpected result\n" );
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break;
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}
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}
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elapsed = tic() - t;
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if ( s != 0 || *(stdlib_ndarray_get_ptr( arr, sub )) != v ) {
2171+
printf( "unexpected result\n" );
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}
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free( arr );
2174+
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return elapsed;
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}
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/**
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* Main execution sequence.
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*/
@@ -2323,5 +2476,26 @@ int main( void ) {
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print_results( elapsed );
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printf( "ok %d benchmark finished\n", count );
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}
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for ( i = 0; i < REPEATS; i++ ) {
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count += 1;
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printf( "# c::native::%s::3d:set:mode=error\n", NAME );
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elapsed = benchmark41();
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print_results( elapsed );
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printf( "ok %d benchmark finished\n", count );
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}
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for ( i = 0; i < REPEATS; i++ ) {
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count += 1;
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printf( "# c::native::%s::3d:set:mode=wrap\n", NAME );
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elapsed = benchmark42();
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print_results( elapsed );
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printf( "ok %d benchmark finished\n", count );
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}
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for ( i = 0; i < REPEATS; i++ ) {
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count += 1;
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printf( "# c::native::%s::3d:set:mode=clamp\n", NAME );
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elapsed = benchmark43();
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print_results( elapsed );
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printf( "ok %d benchmark finished\n", count );
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}
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print_summary( count, count );
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}

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