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63 lines
2.1 KiB
Markdown
63 lines
2.1 KiB
Markdown
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Synthesis results for the PicoRV32 core (in its default configuration) with Yosys 0.5+383 (git sha1 8648089), Synplify Pro and Lattice LSE from iCEcube2.2014.08, and Xilinx Vivado 2015.3.
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No timing constraints were used for synthesis; only resource utilisation is compared.
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Last updated: 2015-10-30
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Results for iCE40 Synthesis
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---------------------------
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| Cell | Yosys | Synplify Pro | Lattice LSE |
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|:--------------|------:|-------------:|------------:|
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| `SB_CARRY` | 405 | 349 | 309 |
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| `SB_DFF` | 125 | 256 | 114 |
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| `SB_DFFE` | 251 | 268 | 76 |
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| `SB_DFFESR` | 172 | 39 | 147 |
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| `SB_DFFESS` | 1 | 0 | 69 |
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| `SB_DFFSR` | 69 | 137 | 134 |
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| `SB_DFFSS` | 0 | 0 | 36 |
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| `SB_LUT4` | 1795 | 1657 | 1621 |
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| `SB_RAM40_4K` | 4 | 4 | 4 |
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Summary:
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| Cell | Yosys | Synplify Pro | Lattice LSE |
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|:--------------|------:|-------------:|------------:|
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| `SB_CARRY` | 405 | 349 | 309 |
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| `SB_DFF*` | 618 | 700 | 576 |
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| `SB_LUT4` | 1795 | 1657 | 1621 |
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| `SB_RAM40_4K` | 4 | 4 | 4 |
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Results for Xilinx 7-Series Synthesis
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-------------------------------------
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| Cell | Yosys | Vivado |
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|:------------|------:|-------:|
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| `FDRE` | 671 | 553 |
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| `FDSE` | 0 | 21 |
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| `LUT1` | 41 | 160 |
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| `LUT2` | 517 | 122 |
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| `LUT3` | 77 | 120 |
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| `LUT4` | 136 | 204 |
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| `LUT5` | 142 | 135 |
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| `LUT6` | 490 | 405 |
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| `MUXF7` | 54 | 0 |
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| `MUXF8` | 15 | 0 |
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| `MUXCY` | 420 | 0 |
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| `XORCY` | 359 | 0 |
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| `CARRY4` | 0 | 83 |
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| `RAMD32` | 0 | 72 |
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| `RAMS32` | 0 | 24 |
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| `RAM64X1D` | 64 | 0 |
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Summary:
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| Cell | Yosys | Vivado |
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|:------------|------:|-------:|
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| `FD*` | 671 | 574 |
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| `LUT*` | 1403 | 1146 |
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