diff --git a/Racket/Makefile b/Racket/Makefile
index ed6ae87..c131399 100644
--- a/Racket/Makefile
+++ b/Racket/Makefile
@@ -79,9 +79,10 @@ space := $(nullstring) # end of the line
 spaces-to-commas = $(subst $(space),$(comma),$(strip $(1)))
 
 # A selection of powers of two for the escalating
-# iteration count.  These start at one, and are multiplied by 2**3 each
+# iteration count.  These start at one, and are multiplied by 2**6 each
 # increase to derive the new number.
 # This variable is applied universally across the benchmarks.
+#ITERATIONS = 1 8 64 512 4096 #32768 262144 2097152 16777216
 ITERATIONS = 1 64 4096 #262144 16777216
 
 # For most programs, this is the number of threads to be used.  For 
@@ -138,12 +139,12 @@ define for_iters =
 endef
 
 bench_all: $(bench_names)
+#bench_all: bench_commstime bench_montecarlopi bench_selecttime
 
 # bench_commstime works differently from the others, since, at present
 # at least, it only takes one parameter, meaning that hyperfine
 # can handle everything without resorting to an external for loop.
 bench_commstime: $(exes_dir)/commstime | $(benches_dir)
-	@echo benches_record_name = $(benches_record_name)
 	$(hypw3) --parameter-list num_iters "$(call spaces-to-commas,$(ITERATIONS))" "$< {num_iters}"
 
 # Note that this one is different from most of the others in that it
@@ -151,24 +152,75 @@ bench_commstime: $(exes_dir)/commstime | $(benches_dir)
 # as well as wrapping for_iters with another for loop.  Unfortunately,
 # to get things to work, I need to use a variable named j in the loop
 # wrapping the one which uses the variable i...
-bench_linalg: $(exes_dir)/linalg | $(benches_dir)
+#~ bench_linalg: $(exes_dir)/linalg | $(benches_dir)
+#~ 	for j in $(LINALG_OPTS); do\
+#~ 		$(for_iters);\
+#~ 	done
+	
+bench_linalg:
+	make bench_linalg1
+	make bench_linalg2
+
+bench_linalg1 : iter_command = $(hypw3) --parameter-list vecs_size "$(call spaces-to-commas,$(VECTORS))" "$< $$j $$i {vecs_size}"
+bench_linalg1 : VECTORS = 2 3 4 8 16 32
+bench_linalg1: $(exes_dir)/linalg | $(benches_dir)
+	for j in $(LINALG_OPTS); do\
+		$(for_iters);\
+	done
+
+bench_linalg2 : iter_command = $(hypw3) --parameter-list vecs_size "$(call spaces-to-commas,$(VECTORS))" "$< $$j $$i {vecs_size}"
+bench_linalg2 : VECTORS = 128
+bench_linalg2 : ITERATIONS = 1 64
+bench_linalg2: $(exes_dir)/linalg | $(benches_dir)
 	for j in $(LINALG_OPTS); do\
 		$(for_iters);\
 	done
 
-bench_montecarlopi : THREADS = 2 16 128 1024 8192
 bench_montecarlopi: $(exes_dir)/montecarlopi | $(benches_dir)
 	$(for_iters)
 
 bench_selecttime: $(exes_dir)/selecttime | $(benches_dir)
 	$(for_iters)
 
+#~ bench_spawn: $(exes_dir)/spawn | $(benches_dir)
+#~ 	$(for_iters)
+
 bench_spawn: $(exes_dir)/spawn | $(benches_dir)
+	make bench_spawn1
+	make bench_spawn2
+
+bench_spawn1 : THREADS = 2 16 128 1024
+bench_spawn1 : iter_command = $(hypw3) --parameter-list num_threads "$(call spaces-to-commas,$(THREADS))" "$< $$i {num_threads}"
+bench_spawn1: $(exes_dir)/spawn | $(benches_dir)
+	$(for_iters)
+
+bench_spawn2 : THREADS = 8192
+bench_spawn2 : ITERATIONS = 1 64
+bench_spawn2 : iter_command = $(hypw3) --parameter-list num_threads "$(call spaces-to-commas,$(THREADS))" "$< $$i {num_threads}"
+bench_spawn2: $(exes_dir)/spawn | $(benches_dir)
 	$(for_iters)
 
 # This has the same issues as bench_linalg - see the comment there.
+#~ bench_whispers: $(exes_dir)/whispers | $(benches_dir)
+#~ 	for j in $(WHISPERS_OPTS); do\
+#~ 		$(for_iters); \
+#~ 	done
+
 bench_whispers: $(exes_dir)/whispers | $(benches_dir)
-	@echo benches_record_name = $(benches_record_name)
+	make bench_whispers1
+	make bench_whispers2
+
+bench_whispers1 : THREADS = 2 16 128 1024
+bench_whispers1 : iter_command = $(hypw3) --parameter-list num_threads "$(call spaces-to-commas,$(THREADS))" "$< $$j $$i {num_threads}"
+bench_whispers1: $(exes_dir)/whispers | $(benches_dir)
+	for j in $(WHISPERS_OPTS); do\
+		$(for_iters); \
+	done
+
+bench_whispers2 : THREADS = 8192
+bench_whispers2 : ITERATIONS = 1 64
+bench_whispers2 : iter_command = $(hypw3) --parameter-list num_threads "$(call spaces-to-commas,$(THREADS))" "$< $$j $$i {num_threads}"
+bench_whispers2: $(exes_dir)/whispers | $(benches_dir)
 	for j in $(WHISPERS_OPTS); do\
 		$(for_iters); \
 	done
@@ -192,7 +244,7 @@ clean_bench:
 clean_all:
 	@make clean
 	@make clean_bench
-	
+
 ##################################################
 
 # Rules to ensure that the required sub-directories are in fact extant.
@@ -200,7 +252,7 @@ clean_all:
 # question:  https://stackoverflow.com/q/1950926
 
 $(exes_dir):
-	mkdir -p $(exes_dir)
+	@mkdir -p $(exes_dir)
 	
 $(benches_dir):
-	mkdir -p $(benches_dir)
+	@mkdir -p $(benches_dir)
diff --git a/TypedRacket/Makefile b/TypedRacket/Makefile
index 7882ddd..c131399 100644
--- a/TypedRacket/Makefile
+++ b/TypedRacket/Makefile
@@ -139,12 +139,12 @@ define for_iters =
 endef
 
 bench_all: $(bench_names)
+#bench_all: bench_commstime bench_montecarlopi bench_selecttime
 
 # bench_commstime works differently from the others, since, at present
 # at least, it only takes one parameter, meaning that hyperfine
 # can handle everything without resorting to an external for loop.
 bench_commstime: $(exes_dir)/commstime | $(benches_dir)
-	@echo benches_record_name = $(benches_record_name)
 	$(hypw3) --parameter-list num_iters "$(call spaces-to-commas,$(ITERATIONS))" "$< {num_iters}"
 
 # Note that this one is different from most of the others in that it
@@ -152,24 +152,75 @@ bench_commstime: $(exes_dir)/commstime | $(benches_dir)
 # as well as wrapping for_iters with another for loop.  Unfortunately,
 # to get things to work, I need to use a variable named j in the loop
 # wrapping the one which uses the variable i...
-bench_linalg: $(exes_dir)/linalg | $(benches_dir)
+#~ bench_linalg: $(exes_dir)/linalg | $(benches_dir)
+#~ 	for j in $(LINALG_OPTS); do\
+#~ 		$(for_iters);\
+#~ 	done
+	
+bench_linalg:
+	make bench_linalg1
+	make bench_linalg2
+
+bench_linalg1 : iter_command = $(hypw3) --parameter-list vecs_size "$(call spaces-to-commas,$(VECTORS))" "$< $$j $$i {vecs_size}"
+bench_linalg1 : VECTORS = 2 3 4 8 16 32
+bench_linalg1: $(exes_dir)/linalg | $(benches_dir)
+	for j in $(LINALG_OPTS); do\
+		$(for_iters);\
+	done
+
+bench_linalg2 : iter_command = $(hypw3) --parameter-list vecs_size "$(call spaces-to-commas,$(VECTORS))" "$< $$j $$i {vecs_size}"
+bench_linalg2 : VECTORS = 128
+bench_linalg2 : ITERATIONS = 1 64
+bench_linalg2: $(exes_dir)/linalg | $(benches_dir)
 	for j in $(LINALG_OPTS); do\
 		$(for_iters);\
 	done
 
-bench_montecarlopi : THREADS = 2 16 128 1024 8192
 bench_montecarlopi: $(exes_dir)/montecarlopi | $(benches_dir)
 	$(for_iters)
 
 bench_selecttime: $(exes_dir)/selecttime | $(benches_dir)
 	$(for_iters)
 
+#~ bench_spawn: $(exes_dir)/spawn | $(benches_dir)
+#~ 	$(for_iters)
+
 bench_spawn: $(exes_dir)/spawn | $(benches_dir)
+	make bench_spawn1
+	make bench_spawn2
+
+bench_spawn1 : THREADS = 2 16 128 1024
+bench_spawn1 : iter_command = $(hypw3) --parameter-list num_threads "$(call spaces-to-commas,$(THREADS))" "$< $$i {num_threads}"
+bench_spawn1: $(exes_dir)/spawn | $(benches_dir)
+	$(for_iters)
+
+bench_spawn2 : THREADS = 8192
+bench_spawn2 : ITERATIONS = 1 64
+bench_spawn2 : iter_command = $(hypw3) --parameter-list num_threads "$(call spaces-to-commas,$(THREADS))" "$< $$i {num_threads}"
+bench_spawn2: $(exes_dir)/spawn | $(benches_dir)
 	$(for_iters)
 
 # This has the same issues as bench_linalg - see the comment there.
+#~ bench_whispers: $(exes_dir)/whispers | $(benches_dir)
+#~ 	for j in $(WHISPERS_OPTS); do\
+#~ 		$(for_iters); \
+#~ 	done
+
 bench_whispers: $(exes_dir)/whispers | $(benches_dir)
-	@echo benches_record_name = $(benches_record_name)
+	make bench_whispers1
+	make bench_whispers2
+
+bench_whispers1 : THREADS = 2 16 128 1024
+bench_whispers1 : iter_command = $(hypw3) --parameter-list num_threads "$(call spaces-to-commas,$(THREADS))" "$< $$j $$i {num_threads}"
+bench_whispers1: $(exes_dir)/whispers | $(benches_dir)
+	for j in $(WHISPERS_OPTS); do\
+		$(for_iters); \
+	done
+
+bench_whispers2 : THREADS = 8192
+bench_whispers2 : ITERATIONS = 1 64
+bench_whispers2 : iter_command = $(hypw3) --parameter-list num_threads "$(call spaces-to-commas,$(THREADS))" "$< $$j $$i {num_threads}"
+bench_whispers2: $(exes_dir)/whispers | $(benches_dir)
 	for j in $(WHISPERS_OPTS); do\
 		$(for_iters); \
 	done