diff --git a/discretelog/linear_sieve_index_calculus.py b/discretelog/linear_sieve_index_calculus.py
index 4a9ac32..e4f7b84 100644
--- a/discretelog/linear_sieve_index_calculus.py
+++ b/discretelog/linear_sieve_index_calculus.py
@@ -389,7 +389,7 @@ def sieve_values(self, n, DEBUG=False):
                 yield c2, c1, fn
 
     def sieve_values_parallel(self, n, DEBUG):
-        if True or (self.c2 + n) <= 1000 or cpu_count() <= 1:
+        if (self.c2 + n) <= 1000 or cpu_count() <= 1:
             yield from self.sieve_values(n, DEBUG)
             return
         rng = range(self.c2, self.c2 + n)
@@ -463,7 +463,7 @@ def linear_sieve_dlog(p, gy, y, op=None, qlimit=None, climit=None, DEBUG=False):
         op = order(gy, p)
     assert isprime(op)
     assert (p - 1) % op == 0
-    assert op >= 10 ** 5
+    assert op >= 10 ** 6
     assert order(gy, p) == op
     opq = op
     while (p - 1) % (opq * op) == 0:
@@ -515,7 +515,7 @@ def linear_sieve_dlog(p, gy, y, op=None, qlimit=None, climit=None, DEBUG=False):
             if DEBUG:
                 print('solution not converging, trying higher qlimit')
             return linear_sieve_dlog(p, gy, y, op, qlimit+50, climit, DEBUG)
-        nclimit = climit if first else max(50,climit//10)
+        nclimit = climit if first else max(50, climit // 10)
         if DEBUG:
             print(f'\nSolving: p={p} gy={gy} y={y} fbp={len(fbq)}',
                   f'qlimit={qlimit}',
diff --git a/tests/test_common.py b/tests/test_common.py
index 67bf8c4..77b23e2 100644
--- a/tests/test_common.py
+++ b/tests/test_common.py
@@ -41,5 +41,5 @@ def test_factor_large(frandom):
           + Fore.RESET + '\n')
     for d in mrange(30, 100, 10, True):
         single_test_factor_random(d, frandom)
-    for d in mrange(30, 60, 10, True):
+    for d in mrange(30, 40, 1, True):
         single_test_factor_rsa(d, frandom)
diff --git a/tests/test_discretelog.py b/tests/test_discretelog.py
index 931c346..678a142 100644
--- a/tests/test_discretelog.py
+++ b/tests/test_discretelog.py
@@ -21,7 +21,7 @@ def single_test_random(nb, random):
 
 
 def test_dlog_small(frandom):
-    ntests = 200
+    ntests = 1000
     print('\n' + Fore.RED + 'Testing small values' + Fore.RESET + '\n')
     for nb in mrange(5, 30, 1, True):
         for _ in range(ntests):
@@ -30,7 +30,7 @@ def test_dlog_small(frandom):
 
 def test_dlog_medium(frandom):
     print('\n' + Fore.RED + 'Testing medium values' + Fore.RESET + '\n')
-    for nb in mrange(30, 60, 2, True):
+    for nb in mrange(30, 60, 1, True):
         single_test_random(nb, frandom)
 
 
diff --git a/tests/test_linear_sieve_index_calculus.py b/tests/test_linear_sieve_index_calculus.py
index 2b62d1c..c63502d 100644
--- a/tests/test_linear_sieve_index_calculus.py
+++ b/tests/test_linear_sieve_index_calculus.py
@@ -66,25 +66,25 @@ def test_special(frandom):
 
 
 def test_linear_sieve_dlog_small(frandom):
-    ntests = 200
+    ntests = 500
     print('sophie germaine primes')
-    for psize in range(5, 9):
+    for psize in range(6, 9):
         print(f'psize={psize}')
         for _ in mrange(ntests, DEBUG=True):
             single_test(psize, frandom)
 
 
 def test_linear_sieve_dlog_medium(frandom):
-    ntests = 20
+    ntests = 100
     print('sophie germaine primes')
     for psize in range(9, 14):
         print(f'psize={psize}')
         for _ in mrange(ntests, DEBUG=True):
             single_test(psize, frandom)
-    ntests = 20
+    ntests = 100
     print('higher order')
     for _ in mrange(ntests, DEBUG=True):
-        higher_order_test(5, frandom)
+        higher_order_test(6, frandom)
 
 
 @pytest.mark.slow