Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 201,335
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     202,864
Calibration 2     201,574
Calibration 3     202,060
ssj_ops@calibrated=201,817
100% 99.8% 201,817 201,335
90% 89.4% 181,635 180,425
80% 81.4% 161,454 164,329
70% 69.7% 141,272 140,675
60% 60.3% 121,090 121,747
50% 50.2% 100,909 101,358
40% 39.6% 80,727 80,002
30% 29.6% 60,545 59,830
20% 19.9% 40,363 40,199
10% 10.1% 20,182 20,300
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,756,147 1,494
Payment 14,756,149
Order Status 1,475,614
Delivery 1,475,616
Stock Level 1,475,616
Customer Report 14,756,149
Calibration 2 New Order 14,661,521 1,494
Payment 14,661,521
Order Status 1,466,151
Delivery 1,466,153
Stock Level 1,466,153
Customer Report 14,661,519
Calibration 3 New Order 14,695,892 1,494
Payment 14,695,890
Order Status 1,469,590
Delivery 1,469,590
Stock Level 1,469,590
Customer Report 14,695,893
100% 99.8% New Order 14,644,381 1,494
Payment 14,644,389
Order Status 1,464,439
Delivery 1,464,437
Stock Level 1,464,439
Customer Report 14,644,380
90% 89.4% New Order 13,121,995 1,494
Payment 13,122,001
Order Status 1,312,201
Delivery 1,312,199
Stock Level 1,312,200
Customer Report 13,122,005
80% 81.4% New Order 11,951,179 1,494
Payment 11,951,183
Order Status 1,195,119
Delivery 1,195,118
Stock Level 1,195,116
Customer Report 11,951,177
70% 69.7% New Order 10,230,901 1,494
Payment 10,230,900
Order Status 1,023,090
Delivery 1,023,090
Stock Level 1,023,089
Customer Report 10,230,904
60% 60.3% New Order 8,854,551 1,494
Payment 8,854,549
Order Status 885,456
Delivery 885,456
Stock Level 885,454
Customer Report 8,854,550
50% 50.2% New Order 7,371,819 1,494
Payment 7,371,817
Order Status 737,182
Delivery 737,183
Stock Level 737,182
Customer Report 7,371,818
40% 39.6% New Order 5,818,658 1,494
Payment 5,818,659
Order Status 581,866
Delivery 581,866
Stock Level 581,866
Customer Report 5,818,654
30% 29.6% New Order 4,351,490 1,494
Payment 4,351,494
Order Status 435,149
Delivery 435,149
Stock Level 435,149
Customer Report 4,351,494
20% 19.9% New Order 2,923,636 1,494
Payment 2,923,635
Order Status 292,362
Delivery 292,363
Stock Level 292,364
Customer Report 2,923,640
10% 10.1% New Order 1,476,363 1,494
Payment 1,476,361
Order Status 147,637
Delivery 147,636
Stock Level 147,636
Customer Report 1,476,367
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0