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Add ARM performance table.

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Ken MacKay
2014-11-26 22:14:51 -08:00
parent 84bf16df55
commit b5c4989c21
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README.md
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@@ -40,6 +40,41 @@ See uECC.h for documentation for each function.
* When compiling for AVR with inline assembly enabled, you must have optimizations enabled (compile with `-O1` or higher).
* When building for Windows, you will need to link in the `advapi32.lib` system library.
### ARM Performance ###
All tests were built using gcc 4.8.2 with `-O3`, and were run on a Raspberry Pi B+. `uECC_ASM` was defined to `uECC_asm_fast` and `ECC_SQUARE_FUNC` was defined to `1` in all cases. All times are in milliseconds.
<table>
<tr>
<th></th>
<th>secp160r1</th>
<th>secp192r1</th>
<th>secp256r1</th>
<th>secp256k1</th>
</tr>
<tr>
<td><em>ECDH:</em></td>
<td>2.3</td>
<td>2.7</td>
<td>7.9</td>
<td>6.5</td>
</tr>
<tr>
<td><em>ECDSA sign:</em></td>
<td>2.8</td>
<td>3.1</td>
<td>8.6</td>
<td>7.2</td>
</tr>
<tr>
<td><em>ECDSA verify:</em></td>
<td>2.7</td>
<td>3.2</td>
<td>9.2</td>
<td>7.0</td>
</tr>
</table>
### AVR Performance ###
All tests were built using avr-gcc 4.8.1 with `-Os`, and were run on a 16 MHz ATmega256RFR2. Code size refers to the space used by micro-ecc code and data.