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- major size optimisations |
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- struct layout for both typical CISC and RISC cpus. |
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- optional error messages. |
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- optional error checking. |
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- cell size reduced by not storing both float and int forms of a number, |
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- major dependency optimisations (no stdio etc.) |
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- faster and vastly simpler vector memory management (execution speed |
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is roughly twice faster than tinyscheme when optimised for size, and 2.5 |
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times faster when optimised for speed). |
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- no need for consecutive cells |
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- more compact and faster vectors. |
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- resizable vectors (TODO) |
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- simpler cell memory management, only one block |
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- much faster call stack implementation, fully supporting continuations, |
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while greatly reducing cell thrashing, thus fewer gc's and overall |
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much faster execution. |
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- allow full 32 bit size range for strings and vectors. |
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- made ports optional. |
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- made error checking and error strings optional. |
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- ripped out features: dynamic loading, nonstandard C targets. |
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- fix numerous ISO C violations (mostly _ namespace). |
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- fix numerous uninitialised value violations. |
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- fix some bufer overflows (mostly relying on _sprintf terminating with 0). |
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- fix numerous sign/truncation problems. |
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- remove limit of 65535 args maximum. |
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- move ~5kb opcode table into read-only segemnt, saves 5kb rss. |
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- reduce ~5kb opcode table to 1.2kb. |
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- subnormals are no longer flushed to zero in some comparisons. |
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|
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TODO: atom names starting with dot cannot currently be parsed due to a tinyscheme bug. |
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