From 8d242a3c9f0a83ae4b697639cc82c66de73baed0 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 10:51:25 -0800
Subject: [PATCH 01/19] add plot script

---
 Cargo.lock                        | 413 ++++++++++++++++++++++++++++++
 Cargo.toml                        |   1 +
 src/blocks/sram/testbench/mod.rs  |   1 +
 src/blocks/sram/testbench/plot.rs |  96 +++++++
 4 files changed, 511 insertions(+)
 create mode 100644 src/blocks/sram/testbench/plot.rs

diff --git a/Cargo.lock b/Cargo.lock
index 1b51f736..ec39cc85 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,6 +14,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "adler2"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "512761e0bb2578dd7380c6baaa0f4ce03e84f95e960231d1dec8bf4d7d6e2627"
+
 [[package]]
 name = "ahash"
 version = "0.7.8"
@@ -257,6 +263,12 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "bytemuck"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8334215b81e418a0a7bdb8ef0849474f40bb10c8b71f1c4ed315cff49f32494d"
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -393,6 +405,12 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "color_quant"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
+
 [[package]]
 name = "colorchoice"
 version = "1.0.3"
@@ -428,12 +446,58 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
 
+[[package]]
+name = "core-foundation"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "773648b94d0e5d620f64f280777445740e61fe701025087ec8b57f45c791888b"
 
+[[package]]
+name = "core-graphics"
+version = "0.23.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c07782be35f9e1140080c6b96f0d44b739e2278479f64e02fdab4e32dfd8b081"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation",
+ "core-graphics-types",
+ "foreign-types",
+ "libc",
+]
+
+[[package]]
+name = "core-graphics-types"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "45390e6114f68f718cc7a830514a96f903cccd70d02a8f6d9f643ac4ba45afaf"
+dependencies = [
+ "bitflags 1.3.2",
+ "core-foundation",
+ "libc",
+]
+
+[[package]]
+name = "core-text"
+version = "20.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9d2790b5c08465d49f8dc05c8bcae9fea467855947db39b0f8145c091aaced5"
+dependencies = [
+ "core-foundation",
+ "core-graphics",
+ "foreign-types",
+ "libc",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.14"
@@ -443,6 +507,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc32fast"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a97769d94ddab943e4510d138150169a2758b5ef3eb191a9ee688de3e23ef7b3"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "crossbeam-deque"
 version = "0.8.5"
@@ -708,6 +781,48 @@ dependencies = [
  "crypto-common",
 ]
 
+[[package]]
+name = "dirs"
+version = "5.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44c45a9d03d6676652bcb5e724c7e988de1acad23a711b5217ab9cbecbec2225"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "520f05a5cbd335fae5a99ff7a6ab8627577660ee5cfd6a94a6a929b52ff0321c"
+dependencies = [
+ "libc",
+ "option-ext",
+ "redox_users",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "dlib"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "330c60081dcc4c72131f8eb70510f1ac07223e5d4163db481a04a0befcffa412"
+dependencies = [
+ "libloading",
+]
+
+[[package]]
+name = "dwrote"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70182709525a3632b2ba96b6569225467b18ecb4a77f46d255f713a6bebf05fd"
+dependencies = [
+ "lazy_static",
+ "libc",
+ "winapi",
+ "wio",
+]
+
 [[package]]
 name = "dyn-clone"
 version = "1.0.17"
@@ -760,6 +875,25 @@ version = "2.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8c02a5121d4ea3eb16a80748c74f5549a5665e4c21333c6098f283870fbdea6"
 
+[[package]]
+name = "fdeflate"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07c6f4c64c1d33a3111c4466f7365ebdcc37c5bd1ea0d62aae2e3d722aacbedb"
+dependencies = [
+ "simd-adler32",
+]
+
+[[package]]
+name = "flate2"
+version = "1.0.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1b589b4dc103969ad3cf85c950899926ec64300a1a46d76c03a6072957036f0"
+dependencies = [
+ "crc32fast",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "flexbuffers"
 version = "2.0.0"
@@ -773,6 +907,12 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "float-ord"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ce81f49ae8a0482e4c55ea62ebbd7e5a686af544c00b9d090bba3ff9be97b3d"
+
 [[package]]
 name = "float_eq"
 version = "1.0.1"
@@ -785,6 +925,69 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
+[[package]]
+name = "font-kit"
+version = "0.14.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b64b34f4efd515f905952d91bc185039863705592c0c53ae6d979805dd154520"
+dependencies = [
+ "bitflags 2.6.0",
+ "byteorder",
+ "core-foundation",
+ "core-graphics",
+ "core-text",
+ "dirs",
+ "dwrote",
+ "float-ord",
+ "freetype-sys",
+ "lazy_static",
+ "libc",
+ "log",
+ "pathfinder_geometry",
+ "pathfinder_simd",
+ "walkdir",
+ "winapi",
+ "yeslogic-fontconfig-sys",
+]
+
+[[package]]
+name = "foreign-types"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d737d9aa519fb7b749cbc3b962edcf310a8dd1f4b67c91c4f83975dbdd17d965"
+dependencies = [
+ "foreign-types-macros",
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-macros"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a5c6c585bc94aaf2c7b51dd4c2ba22680844aba4c687be581871a6f518c5742"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.87",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa9a19cbb55df58761df49b23516a86d432839add4af60fc256da840f66ed35b"
+
+[[package]]
+name = "freetype-sys"
+version = "0.20.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0e7edc5b9669349acfda99533e9e0bcf26a51862ab43b08ee7745c55d28eb134"
+dependencies = [
+ "cc",
+ "libc",
+ "pkg-config",
+]
+
 [[package]]
 name = "fstrings"
 version = "0.2.3"
@@ -873,6 +1076,16 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "gif"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80792593675e051cf94a4b111980da2ba60d4a83e43e0048c5693baab3977045"
+dependencies = [
+ "color_quant",
+ "weezl",
+]
+
 [[package]]
 name = "globset"
 version = "0.4.15"
@@ -981,6 +1194,20 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "image"
+version = "0.24.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5690139d2f55868e080017335e4b94cb7414274c74f1669c84fb5feba2c9f69d"
+dependencies = [
+ "bytemuck",
+ "byteorder",
+ "color_quant",
+ "jpeg-decoder",
+ "num-traits",
+ "png",
+]
+
 [[package]]
 name = "indexmap"
 version = "1.9.3"
@@ -1053,6 +1280,12 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
+[[package]]
+name = "jpeg-decoder"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5d4a7da358eff58addd2877a45865158f0d78c911d43a5784ceb7bbf52833b0"
+
 [[package]]
 name = "js-sys"
 version = "0.3.72"
@@ -1123,12 +1356,32 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "libloading"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4979f22fdb869068da03c9f7528f8297c6fd2606bc3a4affe42e6a823fdb8da4"
+dependencies = [
+ "cfg-if",
+ "windows-targets 0.52.6",
+]
+
 [[package]]
 name = "libm"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8355be11b20d696c8f18f6cc018c4e372165b1fa8126cef092399c9951984ffa"
 
+[[package]]
+name = "libredox"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0ff37bd590ca25063e35af745c343cb7a0271906fb7b37e4813e8f79f00268d"
+dependencies = [
+ "bitflags 2.6.0",
+ "libc",
+]
+
 [[package]]
 name = "linked-hash-map"
 version = "0.5.6"
@@ -1183,6 +1436,16 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
+[[package]]
+name = "miniz_oxide"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2d80299ef12ff69b16a84bb182e3b9df68b5a91574d3d4fa6e41b65deec4df1"
+dependencies = [
+ "adler2",
+ "simd-adler32",
+]
+
 [[package]]
 name = "ngspice"
 version = "0.0.1"
@@ -1342,6 +1605,12 @@ version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
+[[package]]
+name = "option-ext"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
+
 [[package]]
 name = "overload"
 version = "0.1.1"
@@ -1363,6 +1632,25 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
+[[package]]
+name = "pathfinder_geometry"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b7b7e7b4ea703700ce73ebf128e1450eb69c3a8329199ffbfb9b2a0418e5ad3"
+dependencies = [
+ "log",
+ "pathfinder_simd",
+]
+
+[[package]]
+name = "pathfinder_simd"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5cf07ef4804cfa9aea3b04a7bbdd5a40031dbb6b4f2cbaf2b011666c80c5b4f2"
+dependencies = [
+ "rustc_version",
+]
+
 [[package]]
 name = "pathfinding"
 version = "4.11.0"
@@ -1472,6 +1760,71 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
+
+[[package]]
+name = "plotters"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aeb6f403d7a4911efb1e33402027fc44f29b5bf6def3effcc22d7bb75f2b747"
+dependencies = [
+ "chrono",
+ "font-kit",
+ "image",
+ "lazy_static",
+ "num-traits",
+ "pathfinder_geometry",
+ "plotters-backend",
+ "plotters-bitmap",
+ "plotters-svg",
+ "ttf-parser",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "plotters-backend"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df42e13c12958a16b3f7f4386b9ab1f3e7933914ecea48da7139435263a4172a"
+
+[[package]]
+name = "plotters-bitmap"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72ce181e3f6bf82d6c1dc569103ca7b1bd964c60ba03d7e6cdfbb3e3eb7f7405"
+dependencies = [
+ "gif",
+ "image",
+ "plotters-backend",
+]
+
+[[package]]
+name = "plotters-svg"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51bae2ac328883f7acdfea3d66a7c35751187f870bc81f94563733a154d7a670"
+dependencies = [
+ "plotters-backend",
+]
+
+[[package]]
+name = "png"
+version = "0.17.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52f9d46a34a05a6a57566bc2bfae066ef07585a6e3fa30fbbdff5936380623f0"
+dependencies = [
+ "bitflags 1.3.2",
+ "crc32fast",
+ "fdeflate",
+ "flate2",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "portable-atomic"
 version = "1.9.0"
@@ -1658,6 +2011,17 @@ dependencies = [
  "rand_core 0.3.1",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43"
+dependencies = [
+ "getrandom",
+ "libredox",
+ "thiserror",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.1"
@@ -1968,6 +2332,12 @@ version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
+[[package]]
+name = "simd-adler32"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
+
 [[package]]
 name = "simdutf8"
 version = "0.1.5"
@@ -2095,6 +2465,7 @@ dependencies = [
  "log",
  "ngspice",
  "paste",
+ "plotters",
  "psfparser",
  "rust_decimal",
  "rust_decimal_macros",
@@ -2474,6 +2845,12 @@ dependencies = [
  "tracing-log",
 ]
 
+[[package]]
+name = "ttf-parser"
+version = "0.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17f77d76d837a7830fe1d4f12b7b4ba4192c1888001c7164257e4bc6d21d96b4"
+
 [[package]]
 name = "typenum"
 version = "1.17.0"
@@ -2649,6 +3026,22 @@ version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
 
+[[package]]
+name = "web-sys"
+version = "0.3.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6488b90108c040df0fe62fa815cbdee25124641df01814dd7282749234c6112"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "weezl"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "53a85b86a771b1c87058196170769dd264f66c0782acf1ae6cc51bfd64b39082"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2864,6 +3257,15 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "wio"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d129932f4644ac2396cb456385cbf9e63b5b30c6e8dc4820bdca4eb082037a5"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "wyz"
 version = "0.5.1"
@@ -2882,6 +3284,17 @@ dependencies = [
  "linked-hash-map",
 ]
 
+[[package]]
+name = "yeslogic-fontconfig-sys"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "503a066b4c037c440169d995b869046827dbc71263f6e8f3be6d77d4f3229dbd"
+dependencies = [
+ "dlib",
+ "once_cell",
+ "pkg-config",
+]
+
 [[package]]
 name = "zerocopy"
 version = "0.7.35"
diff --git a/Cargo.toml b/Cargo.toml
index 608ded47..25c5f1c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -42,6 +42,7 @@ spectre = { git = "https://github.com/substrate-labs/substrate", branch = "main"
 sub_calibre = { git = "ssh://git@bwrcrepo.eecs.berkeley.edu/rohankumar/substrate_mentor_plugins.git", branch = "main", optional = true }
 rust_decimal = "1"
 rust_decimal_macros = "1"
+plotters = "0.3.7"
 
 [dev-dependencies]
 tempfile = "3"
diff --git a/src/blocks/sram/testbench/mod.rs b/src/blocks/sram/testbench/mod.rs
index d2e30b19..816fec67 100644
--- a/src/blocks/sram/testbench/mod.rs
+++ b/src/blocks/sram/testbench/mod.rs
@@ -21,6 +21,7 @@ use substrate::verification::simulation::waveform::{TimeWaveform, Waveform};
 
 use super::{Sram, SramParams, SramPex, SramPexParams, SramPhysicalDesign};
 
+pub mod plot;
 pub mod verify;
 
 #[derive(Debug, Clone, Builder, Serialize, Deserialize)]
diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
new file mode 100644
index 00000000..ce3c0d7d
--- /dev/null
+++ b/src/blocks/sram/testbench/plot.rs
@@ -0,0 +1,96 @@
+use crate::blocks::sram::testbench::{TbParams, TbSignals};
+use psfparser::analysis::transient::TransientData;
+use psfparser::binary::ast::PsfAst;
+use std::path::PathBuf;
+use substrate::verification::simulation::waveform::SharedWaveform;
+
+pub struct PlotParams {
+    tb: TbParams,
+    psf: PathBuf,
+    output_path: PathBuf,
+}
+
+pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
+    use plotters::prelude::*;
+
+    let data = std::fs::read(params.psf)?;
+    let ast = psfparser::binary::parse(&data)?;
+    let data = TransientData::from_binary(ast);
+    let t = data.signal("time").unwrap();
+    let y = data
+        .signal(&params.tb.sram_signal_path(TbSignals::Bl(0)))
+        .unwrap();
+
+    let root = BitMapBackend::new(&params.output_path, (1920, 1080)).into_drawing_area();
+    root.fill(&WHITE).unwrap();
+
+    let mut chart = ChartBuilder::on(&root)
+        .x_label_area_size(35)
+        .y_label_area_size(40)
+        .margin(5)
+        .caption("Dual Y-Axis Example", ("sans-serif", 50.0).into_font())
+        .build_cartesian_2d(0f32..20e-9f32, -0.2f32..2.2f32)
+        .unwrap();
+
+    chart
+        .configure_mesh()
+        .disable_x_mesh()
+        .disable_y_mesh()
+        .y_desc("Voltage")
+        .draw()
+        .unwrap();
+
+    chart
+        .draw_series(LineSeries::new(
+            t.iter().zip(y).map(|(x, y)| (*x as f32, *y as f32)),
+            &BLUE,
+        ))
+        .unwrap()
+        .label("bl[0]")
+        .legend(|(x, y)| PathElement::new(vec![(x, y), (x + 20, y)], BLUE));
+
+    chart
+        .configure_series_labels()
+        .background_style(RGBColor(128, 128, 128))
+        .draw()
+        .unwrap();
+
+    // To avoid the IO failure being ignored silently, we manually call the present function
+    root.present().expect("Unable to write result to file");
+    println!("Result has been saved to {:?}", &params.output_path);
+
+    Ok(())
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::blocks::sram::testbench::plot::PlotParams;
+    use crate::blocks::sram::testbench::TestSequence;
+    use crate::blocks::sram::tests::SRAM22_512X64M4W8;
+    use crate::blocks::sram::SramPhysicalDesignScript;
+    use crate::setup_ctx;
+    use crate::tests::test_work_dir;
+
+    #[test]
+    fn plot_sram() {
+        let ctx = setup_ctx();
+        let params = SRAM22_512X64M4W8;
+        let seq = TestSequence::Short;
+        let dsn = ctx
+            .run_script::<SramPhysicalDesignScript>(&params)
+            .expect("failed to run sram design script");
+        let pex_level = calibre::pex::PexLevel::Rc;
+        let sram_work_dir = test_work_dir("test_sram22_512x64m4w8");
+        let pex_netlist_path = crate::paths::out_pex(&sram_work_dir, "pex_netlist", pex_level);
+        let pex_netlist = Some((pex_netlist_path.clone(), pex_level));
+        let tb = crate::blocks::sram::testbench::tb_params(params, dsn, 1.8f64, seq, pex_netlist);
+        let psf = sram_work_dir.join("tt_1.80_short/psf");
+
+        let work_dir = test_work_dir("plot_sram");
+        let plot = PlotParams {
+            tb,
+            psf,
+            output_path: work_dir.join("waveforms.png"),
+        };
+    }
+}

From 22da1466aba82f3943f2c098d6ab67bcd6273f5b Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 10:56:58 -0800
Subject: [PATCH 02/19] hardcode psf path

---
 src/blocks/sram/testbench/plot.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index ce3c0d7d..eeafbc1c 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -70,6 +70,7 @@ mod tests {
     use crate::blocks::sram::SramPhysicalDesignScript;
     use crate::setup_ctx;
     use crate::tests::test_work_dir;
+    use std::path::PathBuf;
 
     #[test]
     fn plot_sram() {
@@ -80,7 +81,8 @@ mod tests {
             .run_script::<SramPhysicalDesignScript>(&params)
             .expect("failed to run sram design script");
         let pex_level = calibre::pex::PexLevel::Rc;
-        let sram_work_dir = test_work_dir("test_sram22_512x64m4w8");
+        let sram_work_dir =
+            PathBuf::from("/tools/C/rohankumar/sram22/build/test_sram22_512x64m4w8");
         let pex_netlist_path = crate::paths::out_pex(&sram_work_dir, "pex_netlist", pex_level);
         let pex_netlist = Some((pex_netlist_path.clone(), pex_level));
         let tb = crate::blocks::sram::testbench::tb_params(params, dsn, 1.8f64, seq, pex_netlist);

From 258f1e847d453f6cc4271fd32f381a4b7c404a50 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 11:38:09 -0800
Subject: [PATCH 03/19] plot

---
 src/blocks/sram/testbench/plot.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index eeafbc1c..3f4f7956 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -64,7 +64,7 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
 
 #[cfg(test)]
 mod tests {
-    use crate::blocks::sram::testbench::plot::PlotParams;
+    use crate::blocks::sram::testbench::plot::{plot_sim, PlotParams};
     use crate::blocks::sram::testbench::TestSequence;
     use crate::blocks::sram::tests::SRAM22_512X64M4W8;
     use crate::blocks::sram::SramPhysicalDesignScript;
@@ -94,5 +94,6 @@ mod tests {
             psf,
             output_path: work_dir.join("waveforms.png"),
         };
+        plot_sim(plot).unwrap();
     }
 }

From f41ff510b8bfcb7f9e176a658fcfd343cc2f61a6 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 11:50:21 -0800
Subject: [PATCH 04/19] create work dir

---
 src/blocks/sram/testbench/plot.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index 3f4f7956..e71d3f63 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -89,6 +89,7 @@ mod tests {
         let psf = sram_work_dir.join("tt_1.80_short/psf");
 
         let work_dir = test_work_dir("plot_sram");
+        std::fs::create_dir_all(&work_dir).unwrap();
         let plot = PlotParams {
             tb,
             psf,

From 53ca186e2e16ae1faad6b67568c6e141f6e9f403 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@eecs.berkeley.edu>
Date: Tue, 5 Nov 2024 11:54:14 -0800
Subject: [PATCH 05/19] fix psf path

---
 src/blocks/sram/testbench/plot.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index e71d3f63..677bce64 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -86,7 +86,7 @@ mod tests {
         let pex_netlist_path = crate::paths::out_pex(&sram_work_dir, "pex_netlist", pex_level);
         let pex_netlist = Some((pex_netlist_path.clone(), pex_level));
         let tb = crate::blocks::sram::testbench::tb_params(params, dsn, 1.8f64, seq, pex_netlist);
-        let psf = sram_work_dir.join("tt_1.80_short/psf");
+        let psf = sram_work_dir.join("tt_1.80_short/psf/analysis_0.tran.tran");
 
         let work_dir = test_work_dir("plot_sram");
         std::fs::create_dir_all(&work_dir).unwrap();

From 4f58724d9234f6b28533c34159b42f8515e4ec72 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 12:08:50 -0800
Subject: [PATCH 06/19] plot useful signals

---
 src/blocks/sram/testbench/plot.rs | 39 ++++++++++++++++++++-----------
 1 file changed, 26 insertions(+), 13 deletions(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index 677bce64..29aff1fa 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -17,9 +17,6 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
     let ast = psfparser::binary::parse(&data)?;
     let data = TransientData::from_binary(ast);
     let t = data.signal("time").unwrap();
-    let y = data
-        .signal(&params.tb.sram_signal_path(TbSignals::Bl(0)))
-        .unwrap();
 
     let root = BitMapBackend::new(&params.output_path, (1920, 1080)).into_drawing_area();
     root.fill(&WHITE).unwrap();
@@ -29,25 +26,41 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
         .y_label_area_size(40)
         .margin(5)
         .caption("Dual Y-Axis Example", ("sans-serif", 50.0).into_font())
-        .build_cartesian_2d(0f32..20e-9f32, -0.2f32..2.2f32)
+        .build_cartesian_2d(138e-9f32..158e-9f32, -0.2f32..2.2f32)
         .unwrap();
 
     chart
         .configure_mesh()
         .disable_x_mesh()
         .disable_y_mesh()
-        .y_desc("Voltage")
+        .x_desc("Time (ns)")
+        .x_label_formatter(&|x| format!("{:.1}", x * 1e9f32))
+        .y_desc("Voltage (V)")
         .draw()
         .unwrap();
 
-    chart
-        .draw_series(LineSeries::new(
-            t.iter().zip(y).map(|(x, y)| (*x as f32, *y as f32)),
-            &BLUE,
-        ))
-        .unwrap()
-        .label("bl[0]")
-        .legend(|(x, y)| PathElement::new(vec![(x, y), (x + 20, y)], BLUE));
+    let mut plot = |name: &str, sig: TbSignals| {
+        let y = data.signal(&params.tb.sram_signal_path(sig)).unwrap();
+        chart
+            .draw_series(LineSeries::new(
+                t.iter().zip(y).map(|(x, y)| (*x as f32, *y as f32)),
+                &BLUE,
+            ))
+            .unwrap()
+            .label(name)
+            .legend(|(x, y)| PathElement::new(vec![(x, y), (x + 20, y)], BLUE));
+    };
+
+    plot("bl[4]", TbSignals::Bl(4));
+    plot("br[4]", TbSignals::Br(4));
+    plot("sae", TbSignals::SenseEnEnd);
+    plot("pcb", TbSignals::PcBEnd);
+    plot("wlen", TbSignals::Wlen);
+    plot("wl[0]", TbSignals::WlEnd(0));
+    plot("rbl", TbSignals::Rbl);
+    plot("rwl", TbSignals::Rwl);
+    plot("clk", TbSignals::Clk);
+    plot("dout[1]", TbSignals::Dout(1));
 
     chart
         .configure_series_labels()

From 8dae00465c58983bd0fdb57af27c22b5eab46784 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 12:20:29 -0800
Subject: [PATCH 07/19] change plot title

---
 src/blocks/sram/testbench/plot.rs | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index 29aff1fa..647f9522 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -1,4 +1,11 @@
 use crate::blocks::sram::testbench::{TbParams, TbSignals};
+use plotters::backend::BitMapBackend;
+use plotters::chart::ChartBuilder;
+use plotters::drawing::IntoDrawingArea;
+use plotters::element::PathElement;
+use plotters::prelude::IntoFont;
+use plotters::series::LineSeries;
+use plotters::style::RGBColor;
 use psfparser::analysis::transient::TransientData;
 use psfparser::binary::ast::PsfAst;
 use std::path::PathBuf;
@@ -11,8 +18,6 @@ pub struct PlotParams {
 }
 
 pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
-    use plotters::prelude::*;
-
     let data = std::fs::read(params.psf)?;
     let ast = psfparser::binary::parse(&data)?;
     let data = TransientData::from_binary(ast);
@@ -25,7 +30,7 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
         .x_label_area_size(35)
         .y_label_area_size(40)
         .margin(5)
-        .caption("Dual Y-Axis Example", ("sans-serif", 50.0).into_font())
+        .caption("SRAM Read", ("sans-serif", 32.0).into_font())
         .build_cartesian_2d(138e-9f32..158e-9f32, -0.2f32..2.2f32)
         .unwrap();
 
@@ -39,16 +44,23 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
         .draw()
         .unwrap();
 
+    use plotters::style::colors::full_palette::*;
+    let styles = [
+        RED, PURPLE, INDIGO, BLUE, CYAN, TEAL, LIGHTGREEN, YELLOW, ORANGE, DEEPORANGE, BROWN, GREY,
+        BLUEGREY,
+    ];
+    let mut styles = styles.into_iter().cycle();
     let mut plot = |name: &str, sig: TbSignals| {
+        let style = styles.next().unwrap();
         let y = data.signal(&params.tb.sram_signal_path(sig)).unwrap();
         chart
             .draw_series(LineSeries::new(
                 t.iter().zip(y).map(|(x, y)| (*x as f32, *y as f32)),
-                &BLUE,
+                &style,
             ))
             .unwrap()
             .label(name)
-            .legend(|(x, y)| PathElement::new(vec![(x, y), (x + 20, y)], BLUE));
+            .legend(move |(x, y)| PathElement::new(vec![(x, y), (x + 20, y)], style.clone()));
     };
 
     plot("bl[4]", TbSignals::Bl(4));

From 8bcebcf798d1ce2eb5d98e227c2469c074c2e47a Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 12:29:16 -0800
Subject: [PATCH 08/19] fix stroke

---
 src/blocks/sram/testbench/plot.rs | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index 647f9522..c5c79a9f 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -5,7 +5,7 @@ use plotters::drawing::IntoDrawingArea;
 use plotters::element::PathElement;
 use plotters::prelude::IntoFont;
 use plotters::series::LineSeries;
-use plotters::style::RGBColor;
+use plotters::style::{Color, RGBColor, ShapeStyle};
 use psfparser::analysis::transient::TransientData;
 use psfparser::binary::ast::PsfAst;
 use std::path::PathBuf;
@@ -46,12 +46,17 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
 
     use plotters::style::colors::full_palette::*;
     let styles = [
-        RED, PURPLE, INDIGO, BLUE, CYAN, TEAL, LIGHTGREEN, YELLOW, ORANGE, DEEPORANGE, BROWN, GREY,
+        RED, PURPLE, INDIGO, BLUE, CYAN, TEAL, LIGHTGREEN, ORANGE, DEEPORANGE, BROWN, GREY,
         BLUEGREY,
     ];
     let mut styles = styles.into_iter().cycle();
     let mut plot = |name: &str, sig: TbSignals| {
         let style = styles.next().unwrap();
+        let style = ShapeStyle {
+            color: style.mix(1.0f32),
+            filled: true,
+            stroke_width: 3,
+        };
         let y = data.signal(&params.tb.sram_signal_path(sig)).unwrap();
         chart
             .draw_series(LineSeries::new(
@@ -67,16 +72,16 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
     plot("br[4]", TbSignals::Br(4));
     plot("sae", TbSignals::SenseEnEnd);
     plot("pcb", TbSignals::PcBEnd);
-    plot("wlen", TbSignals::Wlen);
-    plot("wl[0]", TbSignals::WlEnd(0));
+    // plot("wlen", TbSignals::Wlen);
+    // plot("wl[0]", TbSignals::WlEnd(0));
     plot("rbl", TbSignals::Rbl);
     plot("rwl", TbSignals::Rwl);
-    plot("clk", TbSignals::Clk);
+    // plot("clk", TbSignals::Clk);
     plot("dout[1]", TbSignals::Dout(1));
 
     chart
         .configure_series_labels()
-        .background_style(RGBColor(128, 128, 128))
+        .background_style(RGBColor(64, 64, 64))
         .draw()
         .unwrap();
 

From cea9ae1321e859ff5bee5399dcc6f90ce33f0cbc Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 12:30:17 -0800
Subject: [PATCH 09/19] compile errors

---
 src/blocks/sram/testbench/plot.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index c5c79a9f..cb86eca8 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -53,7 +53,7 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
     let mut plot = |name: &str, sig: TbSignals| {
         let style = styles.next().unwrap();
         let style = ShapeStyle {
-            color: style.mix(1.0f32),
+            color: style.mix(1.0),
             filled: true,
             stroke_width: 3,
         };
@@ -61,7 +61,7 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
         chart
             .draw_series(LineSeries::new(
                 t.iter().zip(y).map(|(x, y)| (*x as f32, *y as f32)),
-                &style,
+                style.clone(),
             ))
             .unwrap()
             .label(name)

From 08aefa8753724fd97dc004fd179289bce8c8a896 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 12:35:06 -0800
Subject: [PATCH 10/19] updates

---
 src/blocks/sram/testbench/plot.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index cb86eca8..79364a9a 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -81,7 +81,7 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
 
     chart
         .configure_series_labels()
-        .background_style(RGBColor(64, 64, 64))
+        .background_style(RGBColor(192, 192, 192))
         .draw()
         .unwrap();
 

From c45107fbb2ee532977251833bf737d45ee872701 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 16:10:35 -0800
Subject: [PATCH 11/19] read and write plots

---
 src/blocks/sram/testbench/plot.rs | 92 ++++++++++++++++++++++++-------
 1 file changed, 72 insertions(+), 20 deletions(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index 79364a9a..42585223 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -1,6 +1,7 @@
 use crate::blocks::sram::testbench::{TbParams, TbSignals};
 use plotters::backend::BitMapBackend;
 use plotters::chart::ChartBuilder;
+use plotters::coord::types::RangedCoordf32;
 use plotters::drawing::IntoDrawingArea;
 use plotters::element::PathElement;
 use plotters::prelude::IntoFont;
@@ -8,16 +9,23 @@ use plotters::series::LineSeries;
 use plotters::style::{Color, RGBColor, ShapeStyle};
 use psfparser::analysis::transient::TransientData;
 use psfparser::binary::ast::PsfAst;
+use std::ops::Range;
 use std::path::PathBuf;
 use substrate::verification::simulation::waveform::SharedWaveform;
 
+#[derive(Debug, Clone)]
 pub struct PlotParams {
     tb: TbParams,
     psf: PathBuf,
     output_path: PathBuf,
+    plot_name: String,
 }
 
-pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
+fn plot_inner(
+    params: PlotParams,
+    time_span: Range<f32>,
+    signals: &[(&str, TbSignals)],
+) -> substrate::error::Result<()> {
     let data = std::fs::read(params.psf)?;
     let ast = psfparser::binary::parse(&data)?;
     let data = TransientData::from_binary(ast);
@@ -30,8 +38,8 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
         .x_label_area_size(35)
         .y_label_area_size(40)
         .margin(5)
-        .caption("SRAM Read", ("sans-serif", 32.0).into_font())
-        .build_cartesian_2d(138e-9f32..158e-9f32, -0.2f32..2.2f32)
+        .caption(params.plot_name, ("sans-serif", 32.0).into_font())
+        .build_cartesian_2d(time_span, -0.2f32..2.2f32)
         .unwrap();
 
     chart
@@ -68,17 +76,9 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
             .legend(move |(x, y)| PathElement::new(vec![(x, y), (x + 20, y)], style.clone()));
     };
 
-    plot("bl[4]", TbSignals::Bl(4));
-    plot("br[4]", TbSignals::Br(4));
-    plot("sae", TbSignals::SenseEnEnd);
-    plot("pcb", TbSignals::PcBEnd);
-    // plot("wlen", TbSignals::Wlen);
-    // plot("wl[0]", TbSignals::WlEnd(0));
-    plot("rbl", TbSignals::Rbl);
-    plot("rwl", TbSignals::Rwl);
-    // plot("clk", TbSignals::Clk);
-    plot("dout[1]", TbSignals::Dout(1));
-
+    for (name, sig) in signals {
+        plot(name, sig.clone());
+    }
     chart
         .configure_series_labels()
         .background_style(RGBColor(192, 192, 192))
@@ -92,9 +92,42 @@ pub fn plot_sim(params: PlotParams) -> substrate::error::Result<()> {
     Ok(())
 }
 
+pub fn plot_read(params: PlotParams) -> substrate::error::Result<()> {
+    plot_inner(
+        params,
+        138e-9f32..158e-9f32,
+        &vec![
+            ("clk", TbSignals::Clk),
+            ("rwl", TbSignals::Rwl),
+            ("rbl", TbSignals::Rbl),
+            ("bl[4]", TbSignals::Bl(4)),
+            ("br[4]", TbSignals::Br(4)),
+            ("sae", TbSignals::SenseEnEnd),
+            ("dout[1]", TbSignals::Dout(1)),
+            ("pcb", TbSignals::PcBEnd),
+        ],
+    )
+}
+
+pub fn plot_write(params: PlotParams) -> substrate::error::Result<()> {
+    plot_inner(
+        params,
+        38e-9f32..58e-9f32,
+        &vec![
+            ("clk", TbSignals::Clk),
+            ("write_driver_en[0]", TbSignals::WeI(0)),
+            ("write_driver_enb[0]", TbSignals::WeIb(0)),
+            ("wl[0]", TbSignals::WlEnd(0)),
+            ("bl[4]", TbSignals::Bl(4)),
+            ("br[4]", TbSignals::Br(4)),
+            ("pcb", TbSignals::PcBEnd),
+        ],
+    )
+}
+
 #[cfg(test)]
 mod tests {
-    use crate::blocks::sram::testbench::plot::{plot_sim, PlotParams};
+    use crate::blocks::sram::testbench::plot::*;
     use crate::blocks::sram::testbench::TestSequence;
     use crate::blocks::sram::tests::SRAM22_512X64M4W8;
     use crate::blocks::sram::SramPhysicalDesignScript;
@@ -111,20 +144,39 @@ mod tests {
             .run_script::<SramPhysicalDesignScript>(&params)
             .expect("failed to run sram design script");
         let pex_level = calibre::pex::PexLevel::Rc;
-        let sram_work_dir =
-            PathBuf::from("/tools/C/rohankumar/sram22/build/test_sram22_512x64m4w8");
+        let sram_work_dir = PathBuf::from(format!(
+            "/tools/C/rohankumar/sram22/build/test_{}",
+            params.name()
+        ));
+        let corner = "tt";
         let pex_netlist_path = crate::paths::out_pex(&sram_work_dir, "pex_netlist", pex_level);
         let pex_netlist = Some((pex_netlist_path.clone(), pex_level));
         let tb = crate::blocks::sram::testbench::tb_params(params, dsn, 1.8f64, seq, pex_netlist);
-        let psf = sram_work_dir.join("tt_1.80_short/psf/analysis_0.tran.tran");
+        let psf = sram_work_dir.join(format!("{corner}_1.80_short/psf/analysis_0.tran.tran"));
 
         let work_dir = test_work_dir("plot_sram");
         std::fs::create_dir_all(&work_dir).unwrap();
+        let plot = PlotParams {
+            tb: tb.clone(),
+            psf: psf.clone(),
+            output_path: work_dir.join(format!("{}_read.png", params.name())),
+            plot_name: format!(
+                "{} read (RC extracted, {}/25C/1.8V)",
+                params.name(),
+                corner.to_uppercase()
+            ),
+        };
+        plot_read(plot).unwrap();
         let plot = PlotParams {
             tb,
             psf,
-            output_path: work_dir.join("waveforms.png"),
+            output_path: work_dir.join(format!("{}_write.png", params.name())),
+            plot_name: format!(
+                "{} write (RC extracted, {}/25C/1.8V)",
+                params.name(),
+                corner.to_uppercase()
+            ),
         };
-        plot_sim(plot).unwrap();
+        plot_write(plot.clone()).unwrap();
     }
 }

From 458555adda51aac09eed3275eb04bb37ea2751fc Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 16:11:43 -0800
Subject: [PATCH 12/19] add corner to file name

---
 src/blocks/sram/testbench/plot.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index 42585223..4f14df0c 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -159,7 +159,7 @@ mod tests {
         let plot = PlotParams {
             tb: tb.clone(),
             psf: psf.clone(),
-            output_path: work_dir.join(format!("{}_read.png", params.name())),
+            output_path: work_dir.join(format!("{}_{}_read.png", params.name(), corner)),
             plot_name: format!(
                 "{} read (RC extracted, {}/25C/1.8V)",
                 params.name(),
@@ -170,7 +170,7 @@ mod tests {
         let plot = PlotParams {
             tb,
             psf,
-            output_path: work_dir.join(format!("{}_write.png", params.name())),
+            output_path: work_dir.join(format!("{}_{}_write.png", params.name(), corner)),
             plot_name: format!(
                 "{} write (RC extracted, {}/25C/1.8V)",
                 params.name(),

From 8389cc42b45f2bb7fe2b61cfe6660f007e904cab Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 16:19:05 -0800
Subject: [PATCH 13/19] plot all srams

---
 src/blocks/sram/testbench/plot.rs | 102 ++++++++++++++++++------------
 1 file changed, 63 insertions(+), 39 deletions(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index 4f14df0c..cd0b31d4 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -129,7 +129,7 @@ pub fn plot_write(params: PlotParams) -> substrate::error::Result<()> {
 mod tests {
     use crate::blocks::sram::testbench::plot::*;
     use crate::blocks::sram::testbench::TestSequence;
-    use crate::blocks::sram::tests::SRAM22_512X64M4W8;
+    use crate::blocks::sram::tests::*;
     use crate::blocks::sram::SramPhysicalDesignScript;
     use crate::setup_ctx;
     use crate::tests::test_work_dir;
@@ -138,45 +138,69 @@ mod tests {
     #[test]
     fn plot_sram() {
         let ctx = setup_ctx();
-        let params = SRAM22_512X64M4W8;
         let seq = TestSequence::Short;
-        let dsn = ctx
-            .run_script::<SramPhysicalDesignScript>(&params)
-            .expect("failed to run sram design script");
-        let pex_level = calibre::pex::PexLevel::Rc;
-        let sram_work_dir = PathBuf::from(format!(
-            "/tools/C/rohankumar/sram22/build/test_{}",
-            params.name()
-        ));
-        let corner = "tt";
-        let pex_netlist_path = crate::paths::out_pex(&sram_work_dir, "pex_netlist", pex_level);
-        let pex_netlist = Some((pex_netlist_path.clone(), pex_level));
-        let tb = crate::blocks::sram::testbench::tb_params(params, dsn, 1.8f64, seq, pex_netlist);
-        let psf = sram_work_dir.join(format!("{corner}_1.80_short/psf/analysis_0.tran.tran"));
+        for params in [
+            SRAM22_64X24M4W8,
+            SRAM22_64X32M4W8,
+            SRAM22_128X16M4W8,
+            SRAM22_128X24M4W8,
+            SRAM22_128X32M4W8,
+            SRAM22_256X8M8W1,
+            SRAM22_256X16M8W8,
+            SRAM22_256X32M4W8,
+            SRAM22_256X64M4W8,
+            SRAM22_256X128M4W8,
+            SRAM22_512X8M8W1,
+            SRAM22_512X32M4W8,
+            SRAM22_512X64M4W8,
+            SRAM22_512X128M4W8,
+            SRAM22_1024X8M8W1,
+            SRAM22_1024X32M8W8,
+            SRAM22_1024X64M4W8,
+            SRAM22_2048X8M8W1,
+            SRAM22_2048X32M8W8,
+        ] {
+            let dsn = ctx
+                .run_script::<SramPhysicalDesignScript>(&params)
+                .expect("failed to run sram design script");
+            let pex_level = calibre::pex::PexLevel::Rc;
+            let sram_work_dir = PathBuf::from(format!(
+                "/tools/C/rohankumar/sram22/build/test_{}",
+                params.name()
+            ));
+            let pex_netlist_path = crate::paths::out_pex(&sram_work_dir, "pex_netlist", pex_level);
+            let pex_netlist = Some((pex_netlist_path.clone(), pex_level));
+            let tb =
+                crate::blocks::sram::testbench::tb_params(params, dsn, 1.8f64, seq, pex_netlist);
+            for corner in ["tt", "sf", "fs", "ss", "ff"] {
+                let psf =
+                    sram_work_dir.join(format!("{corner}_1.80_short/psf/analysis_0.tran.tran"));
 
-        let work_dir = test_work_dir("plot_sram");
-        std::fs::create_dir_all(&work_dir).unwrap();
-        let plot = PlotParams {
-            tb: tb.clone(),
-            psf: psf.clone(),
-            output_path: work_dir.join(format!("{}_{}_read.png", params.name(), corner)),
-            plot_name: format!(
-                "{} read (RC extracted, {}/25C/1.8V)",
-                params.name(),
-                corner.to_uppercase()
-            ),
-        };
-        plot_read(plot).unwrap();
-        let plot = PlotParams {
-            tb,
-            psf,
-            output_path: work_dir.join(format!("{}_{}_write.png", params.name(), corner)),
-            plot_name: format!(
-                "{} write (RC extracted, {}/25C/1.8V)",
-                params.name(),
-                corner.to_uppercase()
-            ),
-        };
-        plot_write(plot.clone()).unwrap();
+                let work_dir = test_work_dir("plot_sram");
+                std::fs::create_dir_all(&work_dir).unwrap();
+                let plot = PlotParams {
+                    tb: tb.clone(),
+                    psf: psf.clone(),
+                    output_path: work_dir.join(format!("{}_{}_read.png", params.name(), corner)),
+                    plot_name: format!(
+                        "{} read (RC extracted, {}/25C/1.8V)",
+                        params.name(),
+                        corner.to_uppercase()
+                    ),
+                };
+                plot_read(plot).unwrap();
+                let plot = PlotParams {
+                    tb: tb.clone(),
+                    psf: psf.clone(),
+                    output_path: work_dir.join(format!("{}_{}_write.png", params.name(), corner)),
+                    plot_name: format!(
+                        "{} write (RC extracted, {}/25C/1.8V)",
+                        params.name(),
+                        corner.to_uppercase()
+                    ),
+                };
+                plot_write(plot.clone()).unwrap();
+            }
+        }
     }
 }

From c27a1d417bbc063055d97404672441a7a482c6b7 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 16:58:19 -0800
Subject: [PATCH 14/19] use bl/br 8

---
 src/blocks/sram/testbench/plot.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index cd0b31d4..3777baff 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -100,8 +100,8 @@ pub fn plot_read(params: PlotParams) -> substrate::error::Result<()> {
             ("clk", TbSignals::Clk),
             ("rwl", TbSignals::Rwl),
             ("rbl", TbSignals::Rbl),
-            ("bl[4]", TbSignals::Bl(4)),
-            ("br[4]", TbSignals::Br(4)),
+            ("bl[4]", TbSignals::Bl(8)),
+            ("br[4]", TbSignals::Br(8)),
             ("sae", TbSignals::SenseEnEnd),
             ("dout[1]", TbSignals::Dout(1)),
             ("pcb", TbSignals::PcBEnd),
@@ -118,8 +118,8 @@ pub fn plot_write(params: PlotParams) -> substrate::error::Result<()> {
             ("write_driver_en[0]", TbSignals::WeI(0)),
             ("write_driver_enb[0]", TbSignals::WeIb(0)),
             ("wl[0]", TbSignals::WlEnd(0)),
-            ("bl[4]", TbSignals::Bl(4)),
-            ("br[4]", TbSignals::Br(4)),
+            ("bl[4]", TbSignals::Bl(8)),
+            ("br[4]", TbSignals::Br(8)),
             ("pcb", TbSignals::PcBEnd),
         ],
     )

From 539eecf24999dbdb78caf11ef3a7910609c042b4 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@eecs.berkeley.edu>
Date: Tue, 5 Nov 2024 16:59:05 -0800
Subject: [PATCH 15/19] remove tt corner

---
 src/blocks/sram/testbench/plot.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/blocks/sram/testbench/plot.rs b/src/blocks/sram/testbench/plot.rs
index cd0b31d4..d133ae0e 100644
--- a/src/blocks/sram/testbench/plot.rs
+++ b/src/blocks/sram/testbench/plot.rs
@@ -172,7 +172,7 @@ mod tests {
             let pex_netlist = Some((pex_netlist_path.clone(), pex_level));
             let tb =
                 crate::blocks::sram::testbench::tb_params(params, dsn, 1.8f64, seq, pex_netlist);
-            for corner in ["tt", "sf", "fs", "ss", "ff"] {
+            for corner in ["sf", "fs", "ss", "ff"] {
                 let psf =
                     sram_work_dir.join(format!("{corner}_1.80_short/psf/analysis_0.tran.tran"));
 

From 40ce26db9f5b994a9f9c3641983cd97e569afff4 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 22:11:04 -0800
Subject: [PATCH 16/19] add vpb/vnb ports

---
 tech/sky130/gds/sramgen_sp_sense_amp.gds | Bin 38912 -> 37400 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/tech/sky130/gds/sramgen_sp_sense_amp.gds b/tech/sky130/gds/sramgen_sp_sense_amp.gds
index a5b5a762f110a2dd0e148dd6c1d5f2e082123993..c4b8c0473ad3bb1e644d417ea6dd91919cafd826 100644
GIT binary patch
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AQ2+n{


From f5ddefc056dfdee6c2484b87ddbb18b712370e94 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 22:12:25 -0800
Subject: [PATCH 17/19] pins

---
 tech/sky130/gds/sramgen_sp_sense_amp.gds | Bin 37400 -> 37592 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/tech/sky130/gds/sramgen_sp_sense_amp.gds b/tech/sky130/gds/sramgen_sp_sense_amp.gds
index c4b8c0473ad3bb1e644d417ea6dd91919cafd826..f770c5656a6487c25b010e3d21d2e160e54d8a04 100644
GIT binary patch
delta 179
zcmbQSgz3goCM5<o1}3Hm1{p>s_7@D?46F=d3_J`X$n1$qn*3-&8>8+|nEZ2s1dlrd
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delta 75
zcmcbylxfBiCM5<o1}3Hm1{p>s_7@D?46F=d3|tJR$n1$qn*3-&8>8+|m|QvWCL22g
I0}BfS0PvO#i~s-t


From 2e038403e7762df0e45569d9cf739a2158b4a279 Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 22:39:57 -0800
Subject: [PATCH 18/19] add tapped sense amp

---
 tech/sky130/gds/sramgen_sp_sense_amp.gds      | Bin 37592 -> 37144 bytes
 .../gds/sramgen_sp_sense_amp_tapped.gds       | Bin 0 -> 52896 bytes
 2 files changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 tech/sky130/gds/sramgen_sp_sense_amp_tapped.gds

diff --git a/tech/sky130/gds/sramgen_sp_sense_amp.gds b/tech/sky130/gds/sramgen_sp_sense_amp.gds
index f770c5656a6487c25b010e3d21d2e160e54d8a04..cc7de41b8b0423590e7bf7ef990d86da55b41cd7 100644
GIT binary patch
delta 75
zcmcbylxfByCM5<o1}3Hm1{p>s_7@D?46F=d3?dBN$n1$qn*3-&8>8k=m|Qtgl8v2#
IfrW(u0M}Ry3IG5A

delta 475
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diff --git a/tech/sky130/gds/sramgen_sp_sense_amp_tapped.gds b/tech/sky130/gds/sramgen_sp_sense_amp_tapped.gds
new file mode 100644
index 0000000000000000000000000000000000000000..5a8bb1443553478777351887725cf439459f41b7
GIT binary patch
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literal 0
HcmV?d00001


From aed25a1f5b05dbc91d7ed8fbdef580367bb6bf9e Mon Sep 17 00:00:00 2001
From: Rahul Kumar <rahulkumar@berkeley.edu>
Date: Tue, 5 Nov 2024 22:44:51 -0800
Subject: [PATCH 19/19] add missing pins

---
 .../gds/sramgen_sp_sense_amp_tapped.gds       | Bin 52896 -> 53000 bytes
 1 file changed, 0 insertions(+), 0 deletions(-)

diff --git a/tech/sky130/gds/sramgen_sp_sense_amp_tapped.gds b/tech/sky130/gds/sramgen_sp_sense_amp_tapped.gds
index 5a8bb1443553478777351887725cf439459f41b7..5bfef3e7f6e5005c58af9a81bcfa401a337a1349 100644
GIT binary patch
delta 185
zcmZ25m$_pevnB%@0~1pOgA5}R`wIqc237_!1|0@%WHti_6Pu5x(?mx}31nep_Qs;3
z)0*Op3>*w>Qj81?3_Q}Tjt77=2=E9nGcfR#GB6x;W#EuxOU}uj9C$`-a{n3b&F@b0
cG2zuFwuymZp&m$EW?tT8`E$CHh0gT>0G?zZPyhe`

delta 112
zcmeB}$Gl)Jvnm4{0~1pOgA5}R11_MzG%;3AUxb;}&au<n``GdimM%N=7tD?dVUS_P
YscU0Y(do@RXC#;=&pRhJx$0aW0Da38O8@`>