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a woman’s outer garment consisting of a wide and long cape with slits for the arms or with short sleeves. Slops were made of various fabrics and lined with cotton wadding or fur. They had velvet or fur turndown collars. They were worn by city women in Western Europe and Russia mainly in the first half of the 19th century. Slops were later worn only by small-scale shopkeepers and petite bourgeoisie.
2. The percentage of "extra" code generated by a compiler over the size of equivalent assembly code produced by hand-hacking; i.e. the space (or maybe time) you lose because you didn't do it yourself. This number is often used as a measure of the quality of a compiler; slop below 5% is very good, and 10% is usually acceptable. Modern compilers, especially on RISCs, may actually have *negative* slop; that is, they may generate better code than humans. This is one of the reasons assembler programming is becoming less common.