update readme

sp1/Makefile

@@ -1,13 +0,0 @@
-# TODO: Separate out run and build, store run logs in prove.log instead of cycles.txt
-export RUST_LOG=info
-
-# Rust benchmarks
-nth-prime-rust = algos/nth_prime
-
-all:
-	@echo "Running all benchmarks..."
-	make run-nth-prime
-
-run-nth-prime:
-	@echo "Running nth-prime benchmark..."
-	cd ${nth-prime-rust}/native_sp1/script; SP1_PROVER=network cargo run --release > cycles.txt

sp1/Readme.md

@@ -1,5 +1,9 @@
 # SP1
 
+## Quickstart
+
+Go to each benchmark folder. Then go to `script` folder. Run.
+`cargo run --release -- --prove --n 10`
 
 
 Two different execution environment.

sp1/algos/sha256/program/src/main.rs

@@ -19,7 +19,7 @@ pub fn main() {
     let n = sp1_zkvm::io::read::<u32>();
 
     // Compute the n'th fibonacci number using a function from the workspace lib crate.
-    let input = &[5u8; 20000];
+    let input = &[5u8; 100];
     let a = sha2(input);
 
     // Encode the public values of the program.