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VexRiscv
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update Synthesis results

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Dolu1990 2020-03-07 18:22:01 +01:00
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commit 44005ebf31
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76
README.md
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@ -66,53 +66,53 @@ The CPU configurations used below can be found in the `src/scala/vexriscv/demo`
``` ```
VexRiscv small (RV32I, 0.52 DMIPS/Mhz, no datapath bypass, no interrupt) -> VexRiscv small (RV32I, 0.52 DMIPS/Mhz, no datapath bypass, no interrupt) ->
Artix 7 -> 253 Mhz 498 LUT 505 FF Artix 7 -> 243 Mhz 504 LUT 505 FF
Cyclone V -> 205 Mhz 350 ALMs Cyclone V -> 174 Mhz 352 ALMs
Cyclone IV -> 172 Mhz 731 LUT 494 FF Cyclone IV -> 179 Mhz 731 LUT 494 FF
iCE40 -> 92 Mhz 1130 LC iCE40 -> 92 Mhz 1130 LC
VexRiscv small (RV32I, 0.52 DMIPS/Mhz, no datapath bypass) -> VexRiscv small (RV32I, 0.52 DMIPS/Mhz, no datapath bypass) ->
Artix 7 -> 225 Mhz 549 LUT 563 FF Artix 7 -> 240 Mhz 556 LUT 566 FF
Cyclone V -> 194 Mhz 392 ALMs Cyclone V -> 194 Mhz 394 ALMs
Cyclone IV -> 172 Mhz 830 LUT 551 FF Cyclone IV -> 174 Mhz 831 LUT 555 FF
iCE40 -> 85 Mhz 1292 LC iCE40 -> 85 Mhz 1292 LC
VexRiscv small and productive (RV32I, 0.82 DMIPS/Mhz) -> VexRiscv small and productive (RV32I, 0.82 DMIPS/Mhz) ->
Artix 7 -> 213 Mhz 787 LUT 531 FF Artix 7 -> 232 Mhz 816 LUT 534 FF
Cyclone V -> 150 Mhz 487 ALMs Cyclone V -> 155 Mhz 492 ALMs
Cyclone IV -> 151 Mhz 1,115 LUT 526 FF Cyclone IV -> 155 Mhz 1,111 LUT 530 FF
iCE40 -> 63 Mhz 1596 LC iCE40 -> 63 Mhz 1596 LC
VexRiscv small and productive with I$ (RV32I, 0.70 DMIPS/Mhz, 4KB-I$) -> VexRiscv small and productive with I$ (RV32I, 0.70 DMIPS/Mhz, 4KB-I$) ->
Artix 7 -> 220 Mhz 719 LUT 570 FF Artix 7 -> 220 Mhz 730 LUT 570 FF
Cyclone V -> 147 Mhz 516 ALMs Cyclone V -> 142 Mhz 501 ALMs
Cyclone IV -> 144 Mhz 1,139 LUT 532 FF Cyclone IV -> 150 Mhz 1,139 LUT 536 FF
iCE40 -> 66 Mhz 1680 LC iCE40 -> 66 Mhz 1680 LC
VexRiscv full no cache (RV32IM, 1.21 DMIPS/Mhz 2.30 Coremark/Mhz, single cycle barrel shifter, debug module, catch exceptions, static branch) -> VexRiscv full no cache (RV32IM, 1.21 DMIPS/Mhz 2.30 Coremark/Mhz, single cycle barrel shifter, debug module, catch exceptions, static branch) ->
Artix 7 -> 210 Mhz 1410 LUT 975 FF Artix 7 -> 216 Mhz 1418 LUT 949 FF
Cyclone V -> 144 Mhz 927 ALMs Cyclone V -> 133 Mhz 933 ALMs
Cyclone IV -> 141 Mhz 2,074 LUT 966 FF Cyclone IV -> 143 Mhz 2,076 LUT 972 FF
VexRiscv full (RV32IM, 1.21 DMIPS/Mhz 2.30 Coremark/Mhz with cache trashing, 4KB-I$,4KB-D$, single cycle barrel shifter, debug module, catch exceptions, static branch) -> VexRiscv full (RV32IM, 1.21 DMIPS/Mhz 2.30 Coremark/Mhz with cache trashing, 4KB-I$,4KB-D$, single cycle barrel shifter, debug module, catch exceptions, static branch) ->
Artix 7 -> 199 Mhz 1736 LUT 1120 FF Artix 7 -> 199 Mhz 1840 LUT 1158 FF
Cyclone V -> 137 Mhz 1,177 ALMs Cyclone V -> 141 Mhz 1,166 ALMs
Cyclone IV -> 142 Mhz 2,409 LUT 1,061 FF Cyclone IV -> 131 Mhz 2,407 LUT 1,067 FF
VexRiscv full max perf (HZ*IPC) -> (RV32IM, 1.38 DMIPS/Mhz 2.57 Coremark/Mhz, 8KB-I$,8KB-D$, single cycle barrel shifter, debug module, catch exceptions, dynamic branch prediction in the fetch stage, branch and shift operations done in the Execute stage) -> VexRiscv full max perf (HZ*IPC) -> (RV32IM, 1.38 DMIPS/Mhz 2.57 Coremark/Mhz, 8KB-I$,8KB-D$, single cycle barrel shifter, debug module, catch exceptions, dynamic branch prediction in the fetch stage, branch and shift operations done in the Execute stage) ->
Artix 7 -> 197 Mhz 1788 LUT 1210 FF Artix 7 -> 200 Mhz 1935 LUT 1216 FF
Cyclone V -> 130 Mhz 1,173 ALMs Cyclone V -> 130 Mhz 1,166 ALMs
Cyclone IV -> 124 Mhz 2,483 LUT 1,114 FF Cyclone IV -> 126 Mhz 2,484 LUT 1,120 FF
VexRiscv full with MMU (RV32IM, 1.24 DMIPS/Mhz 2.35 Coremark/Mhz, with cache trashing, 4KB-I$, 4KB-D$, single cycle barrel shifter, debug module, catch exceptions, dynamic branch, MMU) -> VexRiscv full with MMU (RV32IM, 1.24 DMIPS/Mhz 2.35 Coremark/Mhz, with cache trashing, 4KB-I$, 4KB-D$, single cycle barrel shifter, debug module, catch exceptions, dynamic branch, MMU) ->
Artix 7 -> 164 Mhz 2000 LUT 1501 FF Artix 7 -> 151 Mhz 2021 LUT 1541 FF
Cyclone V -> 125 Mhz 1,375 ALMs Cyclone V -> 124 Mhz 1,368 ALMs
Cyclone IV -> 121 Mhz 2,821 LUT 1,444 FF Cyclone IV -> 128 Mhz 2,826 LUT 1,474 FF
VexRiscv linux balanced (RV32IMA, 1.21 DMIPS/Mhz 2.27 Coremark/Mhz, with cache trashing, 4KB-I$, 4KB-D$, single cycle barrel shifter, catch exceptions, static branch, MMU, Supervisor, Compatible with mainstream linux) -> VexRiscv linux balanced (RV32IMA, 1.21 DMIPS/Mhz 2.27 Coremark/Mhz, with cache trashing, 4KB-I$, 4KB-D$, single cycle barrel shifter, catch exceptions, static branch, MMU, Supervisor, Compatible with mainstream linux) ->
Artix 7 -> 176 Mhz 2678 LUT 2087 FF Artix 7 -> 180 Mhz 2883 LUT 2130 FF
Cyclone V -> 137 Mhz 1,797 ALMs Cyclone V -> 131 Mhz 1,764 ALMs
Cyclone IV -> 120 Mhz 3,544 LUT 2,059 FF Cyclone IV -> 121 Mhz 3,608 LUT 2,082 FF
``` ```
The following configuration results in 1.44 DMIPS/MHz: The following configuration results in 1.44 DMIPS/MHz:
@ -318,9 +318,9 @@ You can find some FPGA projects which instantiate the Briey SoC here (DE1-SoC, D
Here are some measurements of Briey SoC timings and area : Here are some measurements of Briey SoC timings and area :
``` ```
Artix 7 -> 186 Mhz 3138 LUT 3328 FF Artix 7 -> 181 Mhz 3220 LUT 3181 FF
Cyclone V -> 139 Mhz 2,175 ALMs Cyclone V -> 142 Mhz 2,222 ALMs
Cyclone IV -> 129 Mhz 4,337 LUT 3,170 FF Cyclone IV -> 130 Mhz 4,538 LUT 3,211 FF
``` ```
## Murax SoC ## Murax SoC
@ -373,16 +373,16 @@ Here are some timing and area measurements of the Murax SoC:
``` ```
Murax interlocked stages (0.45 DMIPS/Mhz, 8 bits GPIO) -> Murax interlocked stages (0.45 DMIPS/Mhz, 8 bits GPIO) ->
Artix 7 -> 215 Mhz 1044 LUT 1202 FF Artix 7 -> 216 Mhz 1109 LUT 1201 FF
Cyclone V -> 173 Mhz 737 ALMs Cyclone V -> 182 Mhz 725 ALMs
Cyclone IV -> 144 Mhz 1,484 LUT 1,206 FF Cyclone IV -> 147 Mhz 1,551 LUT 1,223 FF
iCE40 -> 64 Mhz 2422 LC (nextpnr) iCE40 -> 64 Mhz 2422 LC (nextpnr)
MuraxFast bypassed stages (0.65 DMIPS/Mhz, 8 bits GPIO) -> MuraxFast bypassed stages (0.65 DMIPS/Mhz, 8 bits GPIO) ->
Artix 7 -> 229 Mhz 1269 LUT 1302 FF Artix 7 -> 224 Mhz 1278 LUT 1300 FF
Cyclone V -> 159 Mhz 864 ALMs Cyclone V -> 173 Mhz 867 ALMs
Cyclone IV -> 137 Mhz 1,688 LUT 1,241 FF Cyclone IV -> 143 Mhz 1,755 LUT 1,258 FF
iCE40 -> 66 Mhz 2799 LC (nextpnr) iCE40 -> 66 Mhz 2799 LC (nextpnr)
``` ```
Some scripts to generate the SoC and call the icestorm toolchain can be found here: `scripts/Murax/` Some scripts to generate the SoC and call the icestorm toolchain can be found here: `scripts/Murax/`

8
src/main/scala/vexriscv/demo/SynthesisBench.scala
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@ -117,7 +117,7 @@ object VexRiscvSynthesisBench {
val targets = XilinxStdTargets() ++ AlteraStdTargets() ++ IcestormStdTargets().take(1) val targets = XilinxStdTargets() ++ AlteraStdTargets() ++ IcestormStdTargets().take(1)
// val targets = IcestormStdTargets() // val targets = IcestormStdTargets()
Bench(rtls, targets, "/media/miaou/HD/linux/tmp/") Bench(rtls, targets)
} }
} }
@ -137,9 +137,9 @@ object BrieySynthesisBench {
val rtls = List(briey) val rtls = List(briey)
val targets = XilinxStdTargets() ++ AlteraStdTargets() ++ IcestormStdTargets().take(1) val targets = XilinxStdTargets() ++ AlteraStdTargets() ++ IcestormStdTargets().take(1)
Bench(rtls, targets, "/media/miaou/HD/linux/tmp") Bench(rtls, targets)
} }
} }
@ -173,7 +173,7 @@ object MuraxSynthesisBench {
val targets = XilinxStdTargets() ++ AlteraStdTargets() ++ IcestormStdTargets().take(1) val targets = XilinxStdTargets() ++ AlteraStdTargets() ++ IcestormStdTargets().take(1)
Bench(rtls, targets, "/media/miaou/HD/linux/tmp") Bench(rtls, targets)
} }
} }