Jemalloc for EVM

Also update the version used elsewhere.

README.md

@@ -29,7 +29,7 @@ RUSTFLAGS=-Ctarget-cpu=native cargo run --release --example bench_recursion -- -
 
 ## Jemalloc
 
-Plonky2 prefers the [Jemalloc](http://jemalloc.net) memory allocator due to its superior performance. To use it, include `jemallocator = "0.3.2"` in`Cargo.toml`and add the following lines
+Plonky2 prefers the [Jemalloc](http://jemalloc.net) memory allocator due to its superior performance. To use it, include `jemallocator = "0.5.0"` in`Cargo.toml`and add the following lines
 to your `main.rs`:
 
 ```rust

evm/Cargo.toml

@@ -31,6 +31,9 @@ sha2 = "0.10.2"
 static_assertions = "1.1.0"
 tiny-keccak = "2.0.2"
 
+[target.'cfg(not(target_env = "msvc"))'.dependencies]
+jemallocator = "0.5.0"
+
 [dev-dependencies]
 criterion = "0.4.0"
 hex = "0.4.3"

evm/src/lib.rs

@@ -30,3 +30,11 @@ pub mod vanishing_poly;
 pub mod vars;
 pub mod verifier;
 pub mod witness;
+
+// Set up Jemalloc
+#[cfg(not(target_env = "msvc"))]
+use jemallocator::Jemalloc;
+
+#[cfg(not(target_env = "msvc"))]
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;

plonky2/Cargo.toml

@@ -46,7 +46,7 @@ structopt = { version = "0.3.26", default-features = false }
 tynm = { version = "0.1.6", default-features = false }
 
 [target.'cfg(not(target_env = "msvc"))'.dev-dependencies]
-jemallocator = "0.3.2"
+jemallocator = "0.5.0"
 
 [[bin]]
 name = "generate_constants"

system_zero/Cargo.toml

@@ -23,4 +23,4 @@ name = "lookup_permuted_cols"
 harness = false
 
 [target.'cfg(not(target_env = "msvc"))'.dev-dependencies]
-jemallocator = "0.3.2"
+jemallocator = "0.5.0"