doc from 64b and tinyops
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3 years ago
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# A2P Area/timing Build Tests
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## Litex SOC (normal version)
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```
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+----------------------------+------------------+------------+------------+---------+------+------+--------+--------+------------+
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| Instance | Module | Total LUTs | Logic LUTs | LUTRAMs | SRLs | FFs | RAMB36 | RAMB18 | DSP Blocks |
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+----------------------------+------------------+------------+------------+---------+------+------+--------+--------+------------+
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| cmod7 | (top) | 4800 | 4784 | 16 | 0 | 2711 | 18 | 10 | 4 |
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| (cmod7) | (top) | 247 | 231 | 16 | 0 | 671 | 16 | 0 | 0 |
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| A2P_WB | A2P_WB | 4461 | 4461 | 0 | 0 | 1948 | 2 | 10 | 4 |
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| (A2P_WB) | A2P_WB | 2121 | 2121 | 0 | 0 | 1696 | 1 | 4 | 4 |
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| IBusCachedPlugin_cache | InstructionCache | 1271 | 1271 | 0 | 0 | 98 | 1 | 1 | 0 |
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| dataCache_1_ | DataCache | 1075 | 1075 | 0 | 0 | 154 | 0 | 5 | 0 |
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| issiram | issiram | 93 | 93 | 0 | 0 | 92 | 0 | 0 | 0 |
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+----------------------------+------------------+------------+------------+---------+------+------+--------+--------+------------+
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WNS(ns) TNS(ns) TNS Failing Endpoints TNS Total Endpoints WHS(ns) THS(ns) THS Failing Endpoints THS Total Endpoints WPWS(ns) TPWS(ns) TPWS Failing Endpoints TPWS Total Endpoints
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------- ------- --------------------- ------------------- ------- ------- --------------------- ------------------- -------- -------- ---------------------- --------------------
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0.289 0.000 0 7108 0.033 0.000 0 7108 3.750 0.000 0 2794
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```
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## Litex64 SOC (build test-only 64b version for area/timing)
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* initial update to scala source to add configurable 64b
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* OP.nbits=64, OP.abits=32
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* should have main pipe hooked up close enough (but no new logic for mul/div 64)
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* addresses still 32b
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* wishbone is 32b
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```
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+----------------------------+------------------+------------+------------+---------+------+------+--------+--------+------------+
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| Instance | Module | Total LUTs | Logic LUTs | LUTRAMs | SRLs | FFs | RAMB36 | RAMB18 | DSP Blocks |
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+----------------------------+------------------+------------+------------+---------+------+------+--------+--------+------------+
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| cmod7 | (top) | 6550 | 6534 | 16 | 0 | 3315 | 21 | 7 | 4 |
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| (cmod7) | (top) | 248 | 232 | 16 | 0 | 671 | 16 | 0 | 0 |
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| A2P64 | A2P64 | 6211 | 6211 | 0 | 0 | 2552 | 5 | 7 | 4 |
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| (A2P64) | A2P64 | 3229 | 3229 | 0 | 0 | 2309 | 4 | 1 | 4 |
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| IBusCachedPlugin_cache | InstructionCache | 1552 | 1552 | 0 | 0 | 98 | 1 | 1 | 0 |
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| dataCache_1_ | DataCache | 1435 | 1435 | 0 | 0 | 145 | 0 | 5 | 0 |
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| issiram | issiram | 94 | 94 | 0 | 0 | 92 | 0 | 0 | 0 |
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+----------------------------+------------------+------------+------------+---------+------+------+--------+--------+------------+
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WNS(ns) TNS(ns) TNS Failing Endpoints TNS Total Endpoints WHS(ns) THS(ns) THS Failing Endpoints THS Total Endpoints WPWS(ns) TPWS(ns) TPWS Failing Endpoints TPWS Total Endpoints
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------- ------- --------------------- ------------------- ------- ------- --------------------- ------------------- -------- -------- ---------------------- --------------------
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-0.183 -0.334 2 8635 0.024 0.000 0 8635 3.750 0.000 0 3398
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```
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## Litex SOC (tinyOps version)
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* add tinyOps option to delete some of arch bloat (only IntAluPlugin ones; completely unscientific guess):
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* addc, adde, addme, addz, subfc, subfe, subfme, subfze, eqv, andc, orc, extsb, extsh
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* addpcis
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* mfocrf, setb, isel
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* rlwinm, rlwnm, rlwimi
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* crnand, crnor, creqv, crandc, crorc
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* mcrf, mcrxrx, mtocrf
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* cntlzw, cnttzw, popcntb, popcntw, cmpb, prtyw
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```
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+----------------------------+------------------+------------+------------+---------+------+------+--------+--------+------------+
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| Instance | Module | Total LUTs | Logic LUTs | LUTRAMs | SRLs | FFs | RAMB36 | RAMB18 | DSP Blocks |
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+----------------------------+------------------+------------+------------+---------+------+------+--------+--------+------------+
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| cmod7 | (top) | 4555 | 4539 | 16 | 0 | 2704 | 18 | 10 | 4 |
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| (cmod7) | (top) | 246 | 230 | 16 | 0 | 671 | 16 | 0 | 0 |
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| A2P_WB | A2P_WB | 4217 | 4217 | 0 | 0 | 1941 | 2 | 10 | 4 |
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| (A2P_WB) | A2P_WB | 1940 | 1940 | 0 | 0 | 1721 | 1 | 4 | 4 |
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| IBusCachedPlugin_cache | InstructionCache | 1200 | 1200 | 0 | 0 | 98 | 1 | 1 | 0 |
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| dataCache_1_ | DataCache | 1082 | 1082 | 0 | 0 | 122 | 0 | 5 | 0 |
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| issiram | issiram | 93 | 93 | 0 | 0 | 92 | 0 | 0 | 0 |
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+----------------------------+------------------+------------+------------+---------+------+------+--------+--------+------------+
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WNS(ns) TNS(ns) TNS Failing Endpoints TNS Total Endpoints WHS(ns) THS(ns) THS Failing Endpoints THS Total Endpoints WPWS(ns) TPWS(ns) TPWS Failing Endpoints TPWS Total Endpoints
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------- ------- --------------------- ------------------- ------- ------- --------------------- ------------------- -------- -------- ---------------------- --------------------
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0.426 0.000 0 7066 0.033 0.000 0 7066 3.750 0.000 0 2787
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```
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## Litex SOC (A2Node + 4x A2P)
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* simple version, just replace a2p instantiation in SOC with a2node (4 cores below it) and add 4 UARTs
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* probably want to synth core separately and place; neg slack @ 100MHz
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```
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WNS(ns) TNS(ns) TNS Failing Endpoints TNS Total Endpoints WHS(ns) THS(ns) THS Failing Endpoints THS Total Endpoints WPWS(ns) TPWS(ns) TPWS Failing Endpoints TPWS Total Endpoints
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------- ------- --------------------- ------------------- ------- ------- --------------------- ------------------- -------- -------- ---------------------- --------------------
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-0.596 -227.620 1046 20722 0.012 0.000 0 20722 4.500 0.000 0 8479
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+--------------------------------+------------------------+------------+------------+---------+------+------+--------+--------+------------+
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| Instance | Module | Total LUTs | Logic LUTs | LUTRAMs | SRLs | FFs | RAMB36 | RAMB18 | DSP Blocks |
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+--------------------------------+------------------------+------------+------------+---------+------+------+--------+--------+------------+
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| cmod7 | (top) | 17804 | 17804 | 0 | 0 | 8361 | 8 | 40 | 16 |
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| (cmod7) | (top) | 330 | 330 | 0 | 0 | 391 | 0 | 0 | 0 |
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| a2node | a2node | 17464 | 17464 | 0 | 0 | 7963 | 8 | 40 | 16 |
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| bridge | A2WB | 153 | 153 | 0 | 0 | 195 | 0 | 0 | 0 |
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| (bridge) | A2WB | 112 | 112 | 0 | 0 | 0 | 0 | 0 | 0 |
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| arb | arb | 2 | 2 | 0 | 0 | 16 | 0 | 0 | 0 |
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| bus.genblk1_0.bus | bus_wb2 | 5 | 5 | 0 | 0 | 41 | 0 | 0 | 0 |
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| cmd[0].genblk1_2.cmd_wb2 | cmd_wb | 0 | 0 | 0 | 0 | 33 | 0 | 0 | 0 |
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| cmd[1].genblk1_2.cmd_wb2 | cmd_wb__parameterized0 | 1 | 1 | 0 | 0 | 35 | 0 | 0 | 0 |
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| cmd[2].genblk1_2.cmd_wb2 | cmd_wb__parameterized1 | 33 | 33 | 0 | 0 | 35 | 0 | 0 | 0 |
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| cmd[3].genblk1_2.cmd_wb2 | cmd_wb__parameterized2 | 1 | 1 | 0 | 0 | 35 | 0 | 0 | 0 |
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| c0 | A2P_4K1W | 4325 | 4325 | 0 | 0 | 1948 | 2 | 10 | 4 |
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| (c0) | A2P_4K1W | 2397 | 2397 | 0 | 0 | 1693 | 1 | 4 | 4 |
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| IBusCachedPlugin_cache | InstructionCache_7 | 946 | 946 | 0 | 0 | 101 | 1 | 1 | 0 |
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| dataCache_1_ | DataCache_8 | 986 | 986 | 0 | 0 | 154 | 0 | 5 | 0 |
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| c1 | A2P_4K1W_0 | 4320 | 4320 | 0 | 0 | 1948 | 2 | 10 | 4 |
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| (c1) | A2P_4K1W_0 | 2387 | 2387 | 0 | 0 | 1693 | 1 | 4 | 4 |
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| IBusCachedPlugin_cache | InstructionCache_5 | 951 | 951 | 0 | 0 | 101 | 1 | 1 | 0 |
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| dataCache_1_ | DataCache_6 | 985 | 985 | 0 | 0 | 154 | 0 | 5 | 0 |
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| c2 | A2P_4K1W_1 | 4318 | 4318 | 0 | 0 | 1924 | 2 | 10 | 4 |
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| (c2) | A2P_4K1W_1 | 2398 | 2398 | 0 | 0 | 1693 | 1 | 4 | 4 |
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| IBusCachedPlugin_cache | InstructionCache_3 | 942 | 942 | 0 | 0 | 101 | 1 | 1 | 0 |
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| dataCache_1_ | DataCache_4 | 982 | 982 | 0 | 0 | 130 | 0 | 5 | 0 |
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| c3 | A2P_4K1W_2 | 4348 | 4348 | 0 | 0 | 1948 | 2 | 10 | 4 |
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| (c3) | A2P_4K1W_2 | 2407 | 2407 | 0 | 0 | 1693 | 1 | 4 | 4 |
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| IBusCachedPlugin_cache | InstructionCache | 952 | 952 | 0 | 0 | 101 | 1 | 1 | 0 |
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| dataCache_1_ | DataCache | 993 | 993 | 0 | 0 | 154 | 0 | 5 | 0 |
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| issiram | issiram | 11 | 11 | 0 | 0 | 7 | 0 | 0 | 0 |
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+--------------------------------+------------------------+------------+------------+---------+------+------+--------+--------+------------+
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```
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