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| mithro | litghost: Just FYI, GitHub actions has significantly longer timeouts than Travis | 02:57 |
|---|---|---|
| mithro | The default is 360 minutes, but it can be extended to be much longer by using https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-syntax-for-github-actions#jobsjob_idtimeout-minutes | 02:57 |
| mithro | * Job execution time - Each job in a workflow can run for up to 6 hours of execution time. If a job reaches this limit, the job is terminated and fails to complete. | 02:57 |
| mithro | * Workflow run time - Each workflow run is limited to 72 hours. If a workflow run reaches this limit, the workflow run is cancelled. | 02:57 |
| tpb | Title: Workflow syntax for GitHub Actions - GitHub Docs (at docs.github.com) | 02:57 |
| mithro | kgugala: BTW What is the status of setting up self-hosted runnings for GitHub actions? | 02:58 |
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| sf-slack | <kgugala> mithro: we have the initial stuff running there are some issues with artifacts permissions - working on that | 08:32 |
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| powie | Hey, I have a question about project xray, at its current state is it able to read the contents of blockrams from a bitstream ? | 11:04 |
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| sf-slack | <mholenko> @timo.callahan Do you mean https://github.com/renode/renode-infrastructure/blob/master/src/Emulator/Main/Peripherals/CPU/RegisterValue.cs#L13? `RegisterValue` is a generic class that we use for both 32- and 64-bit CPUs so `RawValue` is expressed as an unsigned 64-bit integer, but there is an additional `Bits` property that allows you to check how many of them are actually important; if the particular register stores a | 14:37 |
| sf-slack | signed value you should cast it manually | 14:37 |
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| * promach3 uploaded an image: image.png (252KiB) < https://matrix.org/_matrix/media/r0/download/matrix.org/BuJMcGRzLNWsvqJZEEjLvNcb/image.png > | 15:03 | |
| promach3 | Why broken pipe when using boolector ? | 15:03 |
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| litghost | powie: Yes and no. There is a specific bug that means that BRAM's in the right most column of the FPGA have their upper bits stripped off, see https://github.com/SymbiFlow/prjxray/issues/1285 and a potential fix in https://github.com/SymbiFlow/prjxray/pull/1335 | 16:29 |
| litghost | powie: Otherwise, we expect BRAM init read/write to work as expected | 16:30 |
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| sf-slack | <syed.ahmed.emails> Hi all, does anyone know a bit about the `router_lookahead_extended_map.cpp` code? I am running into the following error and would love some guidance on where to look at for debugging: ```/media/lilbirb/research/code/pld/third_party/vtr-verilog-to-routing/vpr/src/route/router_lookahead_extended_map.cpp:143 get_src_opin_cost: Assertion 'std::isfinite(expected_delay_cost) && std::isfinite(expected_cong_cost)' | 19:12 |
| sf-slack | failed. make: [Makefile:141: output_fun/out.route] Error 134 (ignored)``` This assertion is failing for me. I printed out the intermediate values and looks like the assertion fails because of infinite values returned from `router_lookahead_cost_map.cpp` (line 112): ```Warning 11139: delta_x: 0.000000 Warning 11140: delta_y: 0.000000 Warning 11141: params.criticality: 1.000000 Warning 11142: reachable_wire_inf.delay: 0.000000 | 19:12 |
| sf-slack | Warning 11143: cost_entry.delay: inf Warning 11144: reachable_wire_inf.congestion: 0.000000 Warning 11145: cost_entry.congestion: inf Warning 11146: this_delay_cost: -nan Warning 11147: this_cong_cost: inf Warning 11148: expected_delay_cost: inf Warning 11149: expected_cong_cost: inf Warning 11150: expected_delay_cost: inf Warning 11151: expected_cong_cost: inf``` | 19:12 |
| litghost | Context? | 19:15 |
| sf-slack | <syed.ahmed.emails> Sorry! This is on a200t, where we are trying to implement some logic on a partial reconfiguration region (@butta’s work). | 19:18 |
| sf-slack | <syed.ahmed.emails> placement passes | 19:18 |
| litghost | I'd expect one of the segments no longer makes sense? | 19:19 |
| litghost | How small of a region did you slice? | 19:19 |
| litghost | Also did you regenerate the lookahead on your subgraph? | 19:19 |
| sf-slack | <syed.ahmed.emails> The region is almost a square shaped and has 6400 luts. | 19:21 |
| sf-slack | <syed.ahmed.emails> What do you mean by regenerating the lookahead? We have been using the lookahead.bin generated when we call the make command on a device definition: e.g. ```make file_xc_xc7_archs_artix7_200t_devices_rr_graph_xc7a200t-${DEVICE_NAME}_test.rr_graph.real.bin``` | 19:23 |
| sf-slack | <syed.ahmed.emails> also thanks for your response! | 19:24 |
| litghost | So the "this_delay_cost: -nan" is definitely a problem | 19:26 |
| sf-slack | <syed.ahmed.emails> `float this_delay_cost = (1. - params.criticality) * (reachable_wire_inf.delay + cost_entry.delay);` yeah not sure how the -nan is coming. Based on the values 0 * inf == -nan? | 19:32 |
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| sf-slack | <naachhilfe> Hello, I have been following the project for a few days now and would like to do my bit. I am interested in reverse engineering the bitstream formats for the machxo2 fpgas. That way the project can support projects like TinyFPGA. How and where do I start? I have scripting experience in Python and have done low level C coding. I speak hex and binary fluently. Please let me know if I can be of any help. | 22:17 |
| tnt | I think cr1901_modern is/was working on that | 22:29 |
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