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1185.1.29
by Robert Collins
merge merge tweaks from aaron, which includes latest .dev |
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Costs |
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User thought is most expensive. User time spent waiting is next. |
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Developer time for the version control system is also relatively |
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expensive. |
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Machine resources are cheap. In particular; disk is generally very |
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cheap; an ordinary programmer earns enough to buy hundreds of GB of |
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disk per day. However, it is sometimes limited, as on a laptop. |
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Therefore it is generally OK to trade off disk space for anything |
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else, but it should be possible to be compact. |
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Network round trips are very bad. |
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Consider scalability also; avoid anything worse than O(n). Try to |
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avoid anything that needs e.g. to hold the whole tree in memory at any |
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time, or to hold the entire history of the project. |
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