Magento Load multiple products at once.

Following are load product useing ids.

$productIds = array(5, 22, 45, 75, 88);

$productIds = array(5, 22, 45, 75, 88);
$attributes = Mage::getSingleton('catalog/config')->getProductAttributes();
$collection = Mage::getModel('catalog/product')
                ->getCollection()              
                ->addAttributeToFilter('entity_id', array('in' => $productIds))
                ->addAttributeToSelect($attributes);
               
Following are load product useing SKUs.

$productSku = array('1111', '1112', '1113', 'HTC Touch Diamond', 'microsoftnatural');
$attributes = Mage::getSingleton('catalog/config')->getProductAttributes();
$collection = Mage::getModel('catalog/product')
                ->getCollection()              
                ->addAttributeToFilter('sku', array('in' => $productSku))
                ->addAttributeToSelect($attributes);
               

Hope it helps. Thanks.