--- gnfs/poly/poly_skew.c	2011-12-23 03:48:49.000000000 +0800
+++ gnfs/poly/poly_skew.c.new	2012-11-30 17:14:29.802747785 +0800
@@ -221,7 +221,7 @@
 static void stage1_callback(mpz_t high_coeff, mpz_t p, mpz_t m, 
 				double coeff_bound, void *extra) {
 	
-	gmp_printf("%Zd %Zd %Zd\n", high_coeff, p, m);
+	/* gmp_printf("%Zd %Zd %Zd\n", high_coeff, p, m); */
 	poly_stage2_run((poly_stage2_t *)extra, high_coeff, p, m, 
 			coeff_bound, NULL);
 }
@@ -231,7 +231,7 @@
 				double coeff_bound, void *extra) {
 	
 	FILE *mfile = (FILE *)extra;
-	gmp_printf("%Zd %Zd %Zd\n", high_coeff, p, m);
+	/* gmp_printf("%Zd %Zd %Zd\n", high_coeff, p, m); */
 	gmp_fprintf(mfile, "%Zd %Zd %Zd\n",
 			high_coeff, p, m);
 	fflush(mfile);
--- gnfs/poly/stage2/root_sieve_line.c	2011-11-25 00:25:28.000000000 +0800
+++ gnfs/poly/stage2/root_sieve_line.c.new	2012-11-30 17:18:19.887475567 +0800
@@ -402,7 +402,7 @@
 	uint32 num_primes = rs->num_primes;
 	uint16 *block = rs->sieve_block;
 
-	printf("%u ", num_blocks); fflush(stdout);
+	/* printf("%u ", num_blocks); fflush(stdout); */
 
 	if (mpz_cmp_ui(x->mp_lattice_size, 1) == 0)
 		prepare_sieve_line(rs);