[release, metrics] Add a comparison between OPy and CPython.

benchmarks/bytecode.R

@@ -287,6 +287,28 @@ FileSizes = function(all_deps_py, pyc_base_dir) {
   py_pyc
 }
 
+
+CompareCol = function(ctx) {
+  c(nrow(ctx$frames),
+    nrow(ctx$names),
+    nrow(ctx$consts),
+    nrow(ctx$flags),
+    nrow(ctx$ops)
+  )
+}
+
+Compare = function(cpython_ctx, opy_ctx) {
+  Banner('CPYTHON vs. OPY')
+
+  data_frame(
+    table_name = c('frames', 'names', 'consts', 'flags', 'ops'),
+    cpython = CompareCol(cpython_ctx),
+    opy = CompareCol(opy_ctx)
+  ) -> f1
+
+  ShowFrame('Overview', f1)
+}
+
 main = function(argv) {
   action = argv[[1]]
 
@@ -295,6 +317,11 @@ main = function(argv) {
     ctx = Load(in_dir)
     Report(ctx)
 
+  } else if (action == 'compare') {
+    cpython_ctx = Load(argv[[2]])
+    opy_ctx = Load(argv[[3]])
+    Compare(cpython_ctx, opy_ctx)
+
   } else if (action == 'src-bin-ratio') {  # This takes different inputs
     all_deps_py = argv[[2]]
     pyc_base_dir = argv[[3]]

benchmarks/bytecode.sh

@@ -92,6 +92,10 @@ metrics-opy() {
   report metrics $BASE_DIR/opy 
 }
 
+compare() {
+  report compare $BASE_DIR/cpython-dis-tables $BASE_DIR/opy-dis-tables
+}
+
 # Reads a .py / .pyc manifest and calculates the ratio of input/output file
 # sizes.
 src-bin-ratio() {
@@ -116,6 +120,10 @@ run-for-release() {
   out=$BASE_DIR/src-bin-ratio-with-opy.txt
   src-bin-ratio > $out
   log "Wrote $out"
+
+  out=$BASE_DIR/overview.txt
+  compare > $out
+  log "Wrote $out"
 }
 
 # TODO:

doc/release-index.md

@@ -37,6 +37,7 @@ Oil Version 0.6.pre5
   - [nativedeps](metrics.wwz/line-counts/nativedeps.txt).  Oil code plus A
     slice of CPython.
 - Bytecode Metrics
+  - [overview](metrics.wwz/bytecode/overview.txt) - Compare OPy vs. CPython.
   - [oil-with-opy](metrics.wwz/bytecode/oil-with-opy.txt) - Oil compiled with
     OPy.
   - [oil-with-cpython](metrics.wwz/bytecode/oil-with-cpython.txt) - Oil